Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20200829064726.26268-1-krzk@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
One of a class of bugs pointed out by Lars in a recent review.
iio_push_to_buffers_with_timestamp assumes the buffer used is aligned
to the size of the timestamp (8 bytes). This is not guaranteed in
this driver which uses a 16 byte u8 array on the stack As Lars also noted
this anti pattern can involve a leak of data to userspace and that
indeed can happen here. We close both issues by moving to
a suitable structure in the iio_priv() data with alignment
ensured by use of an explicit c structure. This data is allocated
with kzalloc so no data can leak appart from previous readings.
The force alignment of ts is not strictly necessary in this particularly
case but does make the code less fragile.
Fixes: a84ef0d181 ("iio: accel: add Freescale MMA7455L/MMA7456L 3-axis accelerometer driver")
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: <Stable@vger.kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
One of a class of bugs pointed out by Lars in a recent review.
iio_push_to_buffers_with_timestamp assumes the buffer used is aligned
to the size of the timestamp (8 bytes). This is not guaranteed in
this driver which uses a 16 byte array of smaller elements on the stack.
As Lars also noted this anti pattern can involve a leak of data to
userspace and that indeed can happen here. We close both issues by moving
to a suitable structure in the iio_priv() data with alignment
ensured by use of an explicit c structure. This data is allocated
with kzalloc so no data can leak appart from previous readings.
Fixes tag is beyond some major refactoring so likely manual backporting
would be needed to get that far back.
Whilst the force alignment of the ts is not strictly necessary, it
does make the code less fragile.
Fixes: 3bbec97733 ("iio: bmc150_accel: add support for hardware fifo")
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: <Stable@vger.kernel.org>
One of a class of bugs pointed out by Lars in a recent review.
iio_push_to_buffers_with_timestamp assumes the buffer used is aligned
to the size of the timestamp (8 bytes). This is not guaranteed in
this driver which uses a 16 byte u8 array on the stack. As Lars also noted
this anti pattern can involve a leak of data to userspace and that
indeed can happen here. We close both issues by moving to
a suitable structure in the iio_priv() data with alignment
ensured by use of an explicit c structure. This data is allocated
with kzalloc so no data can leak appart from previous readings.
The additional forcing of the 8 byte alignment of the timestamp
is not strictly necessary but makes the code less fragile by
making this explicit.
Fixes: c7eeea93ac ("iio: Add Freescale MMA8452Q 3-axis accelerometer driver")
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: <Stable@vger.kernel.org>
iio_push_to_buffers_with_timestamp assumes 8 byte alignment which
is not guaranteed by an array of smaller elements.
Note that whilst in this particular case the alignment forcing
of the ts element is not strictly necessary it acts as good
documentation. Doing this where not necessary should cut
down on the number of cut and paste introduced errors elsewhere.
Fixes: 0427a106a9 ("iio: accel: kxsd9: Add triggered buffer handling")
Reported-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: <Stable@vger.kernel.org>
The driver does not have a struct of_device_id table, but supported
devices are registered via Device Trees. This patch adds OF device ID
table.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The change is mostly stylistic. The table should be indented with tabs
instead of spaces.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fixes the following W=1 kernel build warning(s):
drivers/iio/accel/sca3000.c:210: warning: Function parameter or member 'mot_det_mult_xz' not described in 'sca3000_chip_info'
drivers/iio/accel/sca3000.c:210: warning: Function parameter or member 'mot_det_mult_y' not described in 'sca3000_chip_info'
drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'indio_dev' not described in 'sca3000_read_event_value'
drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'chan' not described in 'sca3000_read_event_value'
drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'type' not described in 'sca3000_read_event_value'
drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'dir' not described in 'sca3000_read_event_value'
drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'info' not described in 'sca3000_read_event_value'
drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'val' not described in 'sca3000_read_event_value'
drivers/iio/accel/sca3000.c:871: warning: Function parameter or member 'val2' not described in 'sca3000_read_event_value'
drivers/iio/accel/sca3000.c:1110: warning: Function parameter or member 'indio_dev' not described in 'sca3000_read_event_config'
drivers/iio/accel/sca3000.c:1110: warning: Function parameter or member 'chan' not described in 'sca3000_read_event_config'
drivers/iio/accel/sca3000.c:1110: warning: Function parameter or member 'type' not described in 'sca3000_read_event_config'
drivers/iio/accel/sca3000.c:1110: warning: Function parameter or member 'dir' not described in 'sca3000_read_event_config'
Cc: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Since ACPI_PTR() is used to NULLify the value when !CONFIG_ACPI,
struct 'bma220_acpi_id' becomes defined but unused.
Fixes the following W=1 kernel build warning(s):
drivers/iio/accel/bma220_spi.c:312:36: warning: ‘bma220_acpi_id’ defined but not used [-Wunused-const-variable=]
312 | static const struct acpi_device_id bma220_acpi_id[] = {
| ^~~~~~~~~~~~~~
Cc: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Merge 5.8-rc6 into staging-next
We need the staging fixes in here, and it resolves a merge issue with an
iio driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Report to user space that 10Hz is the sampling frequency of
the accelerometers in legacy mode, and it can not be changed.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
All devices using a triggered buffer need to attach and detach the trigger
to the device in order to properly work. Instead of doing this in each and
every driver by hand move this into the core.
At this point in time, all drivers should have been resolved to
attach/detach the poll-function in the same order.
This patch removes all explicit calls of iio_triggered_buffer_postenable()
& iio_triggered_buffer_predisable() in all drivers, since the core handles
now the pollfunc attach/detach.
The more peculiar change is for the 'at91-sama5d2_adc' driver, since it's
not immediately obvious that removing the hooks doesn't break anything.
Eugen was able to test on at91-sama5d2-adc driver, sama5d2-xplained board.
All seems to be fine.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Tested-by: Eugen Hristev <eugen.hristev@microchip.com> #for at91-sama5d2-adc
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
If a driver does not assign an of_node to a IIO device to IIO core will
automatically assign the of_node of the parent device. This automatic
assignment is done in the iio_device_register() function.
There is a fair amount of drivers that currently manually assign the
of_node of the IIO device. All but 4 of them can make use of the automatic
assignment though.
The exceptions are:
* mxs-lradc-adc: Which uses the of_node of the parent of the parent.
* stm32-dfsdm-adc, stm32-adc and stm32-dac: Which reference the of_node
assigned to the IIO device before iio_device_register() is called.
All other drivers are updated to use automatic assignment. This reduces
the amount of boilerplate code involved in setting up the IIO device.
The patch has mostly been auto-generated with the following semantic patch
// <smpl>
@exists@
expression indio_dev;
expression parent;
@@
indio_dev = \(devm_iio_device_alloc\|iio_device_alloc\)(&parent, ...)
...
-indio_dev->dev.of_node = parent.of_node;
@exists@
expression indio_dev;
expression parent;
@@
indio_dev = \(devm_iio_device_alloc\|iio_device_alloc\)(parent, ...)
...
-indio_dev->dev.of_node = parent->of_node;
// </smpl>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The function iio_device_register() was called in mma8452_probe().
But the function iio_device_unregister() was not called after
a call of the function mma8452_set_freefall_mode() failed.
Thus add the missed function call for one error case.
Fixes: 1a965d405f ("drivers:iio:accel:mma8452: added cleanup provision in case of failure.")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
These were found by doing some shell magic:
------------
for file in $(git grep -w devm_iio_device_alloc | cut -d: -f1 | sort | uniq) ; do
if grep 'parent =' $file | grep -v trig | grep -vq devm_; then
echo "$file -> $(grep "parent =" $file)"
fi
done
-----------
The output is bearable [after the semantic patch is applied].
There is a mix of trigger assignments with some iio device parent
assignments that are removed via this patch.
JC: A few more added via inspection of all parent =
statements in drivers/iio. Some of these may just have crossed with this
series, others were less obvious to scripting due to some cross
file / module boundary calls.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch applies the semantic patch:
@@
expression I, P, SP;
@@
I = devm_iio_device_alloc(P, SP);
...
- I->dev.parent = P;
It updates 302 files and does 307 deletions.
This semantic patch also removes some comments like
'/* Establish that the iio_dev is a child of the i2c device */'
But this is is only done in case where the block is left empty.
The patch does not seem to cover all cases. It looks like in some cases a
different variable is used in some cases to assign the parent, but it
points to the same reference.
In other cases, the block covered by ... may be just too big to be covered
by the semantic patch.
However, this looks pretty good as well, as it does cover a big bulk of the
drivers that should remove the parent assignment.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The mxc6655 is fully working with the existing mxc4005 driver.
Add support for it.
Signed-off-by: Christian Oder <me@myself5.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add basic support for the Bosch Sensortec BMA400 3-axes ultra-low power
accelerometer when configured to use SPI.
Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The bma150/smb380 are very similar to the bma023 but have a temperature
channel as well.
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The bma180 driver is being extended to support the bma150.
Its temperature channel is unsigned so the center_temp naming
no longer makes.
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The bma023 chip is similar enough to the bma180 and bma25x that the
same driver can support all of them. The biggest differences are
the lack of a temperature channel and no low power but still working
mode.
The bma150 is a close relative of the bma023, but it does have a
temperature channel so support is not added for it.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The bma180 IIO driver is being extended for support for the chips
support by input's bma150 driver (bma023, bma150, smb380). Don't
allow both drivers to be enabled simultaneously as they're for the
same hardware.
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Some variants of the bma180 (eg bma023) have different reset
values. In preparation for adding support for them, factor
out the reset value into the chip specific data.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This looks really unusual to have a 'get_device()' hidden in a 'dev_err()'
call.
Remove it.
While at it add a missing \n at the end of the message.
Fixes: 574fb258d6 ("Staging: IIO: VTI sca3000 series accelerometer driver (spi)")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The main intent here is to get rid of the iio_buffer_set_attrs() helper, or
at least rework it's usage a bit.
The problem with that helper is that it needs a pointer to the buffer,
which makes supporting multiple buffers per IIO device a bit more
cumbersome.
The hid_sensor_setup_trigger() is pretty much used in the same way:
- iio_triggered_buffer_setup() gets called before
- then hid_sensor_setup_trigger() and hid_sensor_setup_batch_mode() gets
called which may attach some fifo attributes
This change merges the 2 together under the hid_sensor_setup_trigger()
function. Only the &iio_pollfunc_store_time is passed to all devices, so
it's not even required to pass it explicitly outside of the common
hid_sensor_setup_trigger() function.
Moving the devm_iio_triggered_buffer_setup/cleanup() calls into the common
place code can help the rework of the buffer code, since it is in one
place.
One detail of the change is that there are 2 drivers that use
devm_iio_triggered_buffer_setup(). That function gets implicitly
replaced with iio_triggered_buffer_setup()/cleanup(), but since all drivers
call both hid_sensor_setup_trigger9) & hid_sensor_remove_trigger() trigger,
the iio_triggered_buffer_cleanup() piggy backs on the
hid_sensor_remove_trigger() call, which should cover the cleanup.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Enables ACPI DSDT to probe via PRP0001 and the compatible property. Also
removes the ifdef protections for CONFIG_OF.
Signed-off-by: Nishant Malpani <nish.malpani25@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Enables ACPI DSDT to probe via PRP0001 and the compatible property.
Signed-off-by: Nishant Malpani <nish.malpani25@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Usual mix of new drivers, new support in old drivers and lots of minor
cleanup. Yaml conversions also continue to trickle in (plenty more to go!)
New device support
* ad7476
- Add ad7091 support (ID only)
* ad9467
- New driver for this 200/250 MSPS adi-axi-adc and SPI attached ADC.
* adi-axi-adc
- New driver to support ADIs generic AXI ADC IP core, used to provide
high speed interfaces to ADCs (JESD204B/C or parallel interfaces). Usually
paired with a device using a slow configuration interface (spi etc)
Includes DT bindings and some fixes for fpga headers.
* bmg160
- Add support for BMI088 (ID only)
* max1241
- New driver for this ADC.
* st_sensors
- Add support for LIS2HH12 accelerometer
* sx9310
- New driver supporting sx9310 and sx9311 proximity sensors.
Yaml DT binding conversions
* rockchip-saradc (including adding some missing parts)
* stm32-dac
* tsl2563
* vcnl4000
Features
* st_lsm6dsx
- Add LIS3MDL as a possible sensor hub device.
* vcnl4000
- Add new concept of near level (from DT) to provide to userspace which
often needs to have some calibrated concept of 'near'.
Cleanups, minor fixes etc.
* core
- Use snprintf for functions where strings are built and there is
potential for overflow.
- Correct docs to indicate mlock should not be used directly by drivers.
- Fix up accidental dropping of a patch to use bitmap_zalloc.
- Stop allowing enabling of buffers with no channels enabled.
- Drop unused 'stufftoread' from iio_buffer.
- Drop scan_el_attrs form iio_buffer as unused.
- Reorder sanity checks in __iio_device_register to fail earlier.
- Drop all the devm_ runregister / free functions from IIO as they
were never used and encourage poor design.
* dma-buffer
- Tidy up includes.
* dma-engine-buffer
- Provide dev-managed allocator.
- Fix an issue with printing a size_t
* cross subsystem (kxsd9, bmg160, mpu3050, bmi160, mpu6050, bmc150)
- Replace some unnecessary casts of error ptrs and whilst there.
use the %pe printf parameter to print them in a more useful fashion.
* cross subsystem
- Drop casts in calls to regmap_bulk_read as they make no sense.
- Use devm_platform_ioremap_resource to reduce boilerplate.
- Fix typos in Analog Devices.
* counters/104-quad
- Add Syed Nayyar Waris as an additional maintainer.
* ad7476
- Generate CONVST signal internally rather than requiring external
trigger. Add sysfs read back as can now do so.
- use devm_add_action_or_reset to tidy up error and remove handling.
* ad7793
- Switch to read_avail from explicit attribute. Mostly done to avoid
confusing people with a - sign (without surounding spaces) that
was correct but checkpatch didn't like.
* adis library
- Add missing newlines at end of error messages.
* adis16400
- Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* adis16460
- Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* ad_sigma_delta
- Move some channel definitions into individual drivers to avoid
having to deal with complex options.
* ak8974
- Silence an error on deffered probe.
* bmp280
- Harden against IRQ before registration.
- Convert to read_avail instead of opencoding the equivalent.
- Explicitly mark GPIO as optional.
- Cleanup casts.
- Remove line breaks from strings.
* htts221
- Replace direct access to platform_data with dev_get_platdata().
- Use device properties rather than device tree ones to allow ACPI
probing.
- Casting cleanups.
* intel_mrfld_adc
- Don't use unaligned accessor for aligned data.
* isl29125
- Reorder buer pre and post hooks to allow for coming core rework.
* ltc2983
- Remove comp to bool.
* max1363
- Stop using mlock from the iio_dev directly in favour of a local lock
with clearly defined scope.
* max30100
- Use generic device properties to allow ACPI probe.
* mpu6050
- Convert to i2c_new_client_device.
- Add debugfs register access.
* st_lsm6dsx
- Provide means of configuring full scale on slave device if supported.
- Drop include of st_sensors header to get one value. Its not otherwise
used by this driver.
* st-sensors
- Replace direct access to platform_data with dev_get_platdata().
- Casting cleanups.
- Avoid splitting strings.
* st_uvis25
- Casting cleanups.
* tsl2563
- Typo fix.
* tsl2772
- scnprintf in a non obvious string building usecase. Note also 'fixes'
a wrong calculation of remaining space that couldn't actually cause
any trouble as there was lots of room.
* xilinx-xadc
- Fix Lars-Peter spelling his own name wrong :) + additional typos.
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Merge tag 'iio-for-5.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of new IIO device support, features and cleanup for the 5.8 cycle
Usual mix of new drivers, new support in old drivers and lots of minor
cleanup. Yaml conversions also continue to trickle in (plenty more to go!)
New device support
* ad7476
- Add ad7091 support (ID only)
* ad9467
- New driver for this 200/250 MSPS adi-axi-adc and SPI attached ADC.
* adi-axi-adc
- New driver to support ADIs generic AXI ADC IP core, used to provide
high speed interfaces to ADCs (JESD204B/C or parallel interfaces). Usually
paired with a device using a slow configuration interface (spi etc)
Includes DT bindings and some fixes for fpga headers.
* bmg160
- Add support for BMI088 (ID only)
* max1241
- New driver for this ADC.
* st_sensors
- Add support for LIS2HH12 accelerometer
* sx9310
- New driver supporting sx9310 and sx9311 proximity sensors.
Yaml DT binding conversions
* rockchip-saradc (including adding some missing parts)
* stm32-dac
* tsl2563
* vcnl4000
Features
* st_lsm6dsx
- Add LIS3MDL as a possible sensor hub device.
* vcnl4000
- Add new concept of near level (from DT) to provide to userspace which
often needs to have some calibrated concept of 'near'.
Cleanups, minor fixes etc.
* core
- Use snprintf for functions where strings are built and there is
potential for overflow.
- Correct docs to indicate mlock should not be used directly by drivers.
- Fix up accidental dropping of a patch to use bitmap_zalloc.
- Stop allowing enabling of buffers with no channels enabled.
- Drop unused 'stufftoread' from iio_buffer.
- Drop scan_el_attrs form iio_buffer as unused.
- Reorder sanity checks in __iio_device_register to fail earlier.
- Drop all the devm_ runregister / free functions from IIO as they
were never used and encourage poor design.
* dma-buffer
- Tidy up includes.
* dma-engine-buffer
- Provide dev-managed allocator.
- Fix an issue with printing a size_t
* cross subsystem (kxsd9, bmg160, mpu3050, bmi160, mpu6050, bmc150)
- Replace some unnecessary casts of error ptrs and whilst there.
use the %pe printf parameter to print them in a more useful fashion.
* cross subsystem
- Drop casts in calls to regmap_bulk_read as they make no sense.
- Use devm_platform_ioremap_resource to reduce boilerplate.
- Fix typos in Analog Devices.
* counters/104-quad
- Add Syed Nayyar Waris as an additional maintainer.
* ad7476
- Generate CONVST signal internally rather than requiring external
trigger. Add sysfs read back as can now do so.
- use devm_add_action_or_reset to tidy up error and remove handling.
* ad7793
- Switch to read_avail from explicit attribute. Mostly done to avoid
confusing people with a - sign (without surounding spaces) that
was correct but checkpatch didn't like.
* adis library
- Add missing newlines at end of error messages.
* adis16400
- Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* adis16460
- Use DEFINE_DEBUGS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTR.
* ad_sigma_delta
- Move some channel definitions into individual drivers to avoid
having to deal with complex options.
* ak8974
- Silence an error on deffered probe.
* bmp280
- Harden against IRQ before registration.
- Convert to read_avail instead of opencoding the equivalent.
- Explicitly mark GPIO as optional.
- Cleanup casts.
- Remove line breaks from strings.
* htts221
- Replace direct access to platform_data with dev_get_platdata().
- Use device properties rather than device tree ones to allow ACPI
probing.
- Casting cleanups.
* intel_mrfld_adc
- Don't use unaligned accessor for aligned data.
* isl29125
- Reorder buer pre and post hooks to allow for coming core rework.
* ltc2983
- Remove comp to bool.
* max1363
- Stop using mlock from the iio_dev directly in favour of a local lock
with clearly defined scope.
* max30100
- Use generic device properties to allow ACPI probe.
* mpu6050
- Convert to i2c_new_client_device.
- Add debugfs register access.
* st_lsm6dsx
- Provide means of configuring full scale on slave device if supported.
- Drop include of st_sensors header to get one value. Its not otherwise
used by this driver.
* st-sensors
- Replace direct access to platform_data with dev_get_platdata().
- Casting cleanups.
- Avoid splitting strings.
* st_uvis25
- Casting cleanups.
* tsl2563
- Typo fix.
* tsl2772
- scnprintf in a non obvious string building usecase. Note also 'fixes'
a wrong calculation of remaining space that couldn't actually cause
any trouble as there was lots of room.
* xilinx-xadc
- Fix Lars-Peter spelling his own name wrong :) + additional typos.
* tag 'iio-for-5.8a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (101 commits)
iio: magnetometer: ak8974: Silence deferred-probe error
Documentation: ABI: document IIO in_proximity_nearlevel file
iio: vcnl4000: Export near level property for proximity sensor
dt-bindings: iio: light: vcnl4000: Add proximity-near-level
dt-bindings: iio: Introduce common properties for iio sensors
dt-bindings: iio: vcnl4000: convert bindings to YAML format
iio: Fix misspellings of "Analog Devices"
iio: light: isl29125: fix iio_triggered_buffer_{predisable,postenable} positions
iio: adc: fsl-imx25-gcq: Use devm_platform_ioremap_resource
iio: adc: at91-adc: Use devm_platform_ioremap_resource
iio: adc: sun4i-gpadc-iio: Use devm_platform_ioremap_resource
iio:light:ltr501: Drop unnecessary cast of parameter in regmap_bulk_read
iio:magn:mmc35240: Drop unnecessary casts of val parameter in regmap_bulk*
iio:imu:mpu6050: Tidy up parameters to regmap_bulk functions.
iio:chemical:bme680: Tidy up parameters to regmap_bulk_read
iio:chemical:atlas-sensor: Drop unnecessary explicit casts in regmap_bulk_read calls
iio:accel:mxc4005: Drop unnecessary explicit casts in regmap_bulk_read calls
iio: imu: st_lsm6dsx: drop huge include in sensor-hub driver
iio: buffer: drop devm_iio_kfifo_free() API call
iio: buffer: drop devm_iio_hw_consumer_free() API call
...
regmap_bulk_read takes a void * for its val parameter. It certainly
makes no sense to cast to a (u8 *) + no need to explicitly cast
at all when converting another pointer type to void *.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Add support for STMicroelectronics LISHH12 accelerometer in st_accel
framework.
https://www.st.com/resource/en/datasheet/lis2hh12.pdf
Signed-off-by: Gaëtan André <rvlander@gaetanandre.eu>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Utilize %pe format specifier from vsprintf while printing error logs
with dev_err(). Discards the use of unnecessary explicit casting and
prints symbolic error name which might prove to be convenient during
debugging.
Signed-off-by: Nishant Malpani <nish.malpani25@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* cros-usbpd-notify and cros_ec_typec
- Add a new notification driver that handles and dispatches USB PD
related events to other drivers.
- Add a Type C connector class driver for cros_ec
* CrOS EC
- Introduce a new cros_ec_cmd_xfer_status helper
* Sensors/iio:
- A series from Gwendal that adds Cros EC sensor hub FIFO support
* Wilco EC
- Fix a build warning.
- Platform data shouldn't include kernel.h
* Misc
- i2c api conversion complete, with i2c_new_client_device instead of
i2c_new_device in chromeos_laptop.
- Replace zero-length array with flexible-array member in cros_ec_chardev
and wilco_ec
- Update new structure for SPI transfer delays in cros_ec_spi
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Merge tag 'tag-chrome-platform-for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
cros-usbpd-notify and cros_ec_typec:
- Add a new notification driver that handles and dispatches USB PD
related events to other drivers.
- Add a Type C connector class driver for cros_ec
CrOS EC:
- Introduce a new cros_ec_cmd_xfer_status helper
Sensors/iio:
- A series from Gwendal that adds Cros EC sensor hub FIFO support
Wilco EC:
- Fix a build warning.
- Platform data shouldn't include kernel.h
Misc:
- i2c api conversion complete, with i2c_new_client_device instead of
i2c_new_device in chromeos_laptop.
- Replace zero-length array with flexible-array member in
cros_ec_chardev and wilco_ec
- Update new structure for SPI transfer delays in cros_ec_spi
* tag 'tag-chrome-platform-for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: (34 commits)
platform/chrome: cros_ec_spi: Wait for USECS, not NSECS
iio: cros_ec: Use Hertz as unit for sampling frequency
iio: cros_ec: Report hwfifo_watermark_max
iio: cros_ec: Expose hwfifo_timeout
iio: cros_ec: Remove pm function
iio: cros_ec: Register to cros_ec_sensorhub when EC supports FIFO
iio: expose iio_device_set_clock
iio: cros_ec: Move function description to .c file
platform/chrome: cros_ec_sensorhub: Add median filter
platform/chrome: cros_ec_sensorhub: Add code to spread timestmap
platform/chrome: cros_ec_sensorhub: Add FIFO support
platform/chrome: cros_ec_sensorhub: Add the number of sensors in sensorhub
platform/chrome: chromeos_laptop: make I2C API conversion complete
platform/chrome: wilco_ec: event: Replace zero-length array with flexible-array member
platform/chrome: cros_ec_chardev: Replace zero-length array with flexible-array member
platform/chrome: cros_ec_typec: Update port info from EC
platform/chrome: Add Type C connector class driver
platform/chrome: cros_usbpd_notify: Pull PD_HOST_EVENT status
platform/chrome: cros_usbpd_notify: Amend ACPI driver to plat
platform/chrome: cros_usbpd_notify: Add driver data struct
...
When EC supports FIFO, each IIO device registers a callback, to put
samples in the buffer when they arrives from the FIFO.
When no FIFO, the user space app needs to call trigger_new, or better
register a high precision timer.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
In few places the unnecessary explicit castings are being used.
Drop them for good.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use dev_get_platdata() to get the platform_data instead of
referencing it directly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* adxl372
- Fix marking of buffered values as big endian.
* ak8974
- Fix wrong handling of negative values when read from sysfs.
* at91-sama5d2
- Fix differential mode by ensuring configuration set correctly.
* ping
- Use the write sensor type for of_ping_match table.
* sps30
- Kconfig build dependency fix.
* st-sensors
- Fix a wrong identification of which part the SMO8840 ACPI ID indicates.
* stm32-dsfdm
- Fix a sleep in atomic issue by not using a trigger when it makes no sense.
* stm32-timer
- Make sure master mode is disabled when stopping.
* vcnl400
- Update some sampling periods based on new docs.
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Merge tag 'iio-fixes-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes in the 5.6 cycle.
* adxl372
- Fix marking of buffered values as big endian.
* ak8974
- Fix wrong handling of negative values when read from sysfs.
* at91-sama5d2
- Fix differential mode by ensuring configuration set correctly.
* ping
- Use the write sensor type for of_ping_match table.
* sps30
- Kconfig build dependency fix.
* st-sensors
- Fix a wrong identification of which part the SMO8840 ACPI ID indicates.
* stm32-dsfdm
- Fix a sleep in atomic issue by not using a trigger when it makes no sense.
* stm32-timer
- Make sure master mode is disabled when stopping.
* vcnl400
- Update some sampling periods based on new docs.
* tag 'iio-fixes-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: ping: set pa_laser_ping_cfg in of_ping_match
iio: chemical: sps30: fix missing triggered buffer dependency
iio: st_sensors: remap SMO8840 to LIS2DH12
iio: light: vcnl4000: update sampling periods for vcnl4040
iio: light: vcnl4000: update sampling periods for vcnl4200
iio: accel: adxl372: Set iio_chan BE
iio: magnetometer: ak8974: Fix negative raw values in sysfs
iio: trigger: stm32-timer: disable master mode when stopping
iio: adc: stm32-dfsdm: fix sleep in atomic context
iio: adc: at91-sama5d2_adc: fix differential channels in triggered mode
This patch adds a dedicated self_test_reg variable. This is also a step
to let new drivers make use of `adis_initial_startup()`. Some devices
use MSG_CTRL reg to request a self_test command while others use the
GLOB_CMD register.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
According to ST, the HID is for LIS2DH12.
Fixes: 3d56e19815 ("iio: accel: st_accel: Add support for the SMO8840 ACPI id")
Signed-off-by: Wen-chien Jesse Sung <jesse.sung@canonical.com>
Tested-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Data stored in the iio-buffer is BE and this
should be specified in the iio_chan_spec struct.
Fixes: f4f55ce38e ("iio:adxl372: Add FIFO and interrupts support")
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use st_sensors_dev_name_probe() instead open coded variant.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* CrOS EC
- Refactoring of some of cros_ec's headers. include/linux/mfd/cros_ec.h now
removed, new cros_ec.h added drivers/platform/chrome which contains shared
operations of cros_ec transport drivers.
- Response tracing in cros_ec_proto
* Wilco EC
- Fix unregistration order.
- Fix keyboard backlight probing on systems without keyboard backlight
- Minor cleanup (newlines in printks, COMPILE_TEST)
* Misc
- chromeos_laptop converted to use i2c_new_scanned_device instead of
i2c_new_probed_device
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Merge tag 'tag-chrome-platform-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"CrOS EC:
- Refactoring of some of cros_ec's headers:
include/linux/mfd/cros_ec.h now removed, new cros_ec.h added to
drivers/platform/chrome which contains shared operations of cros_ec
transport drivers.
- Response tracing in cros_ec_proto
Wilco EC:
- Fix unregistration order.
- Fix keyboard backlight probing on systems without keyboard
backlight
- Minor cleanup (newlines in printks, COMPILE_TEST)
Misc:
- chromeos_laptop converted to use i2c_new_scanned_device instead of
i2c_new_probed_device"
* tag 'tag-chrome-platform-for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec: Match implementation with headers
platform/chrome: cros_ec: Drop unaligned.h include
platform/chrome: wilco_ec: Allow wilco to be compiled in COMPILE_TEST
platform/chrome: wilco_ec: Add newlines to printks
platform/chrome: wilco_ec: Fix unregistration order
cros_ec: treewide: Remove 'include/linux/mfd/cros_ec.h'
platform/chrome: cros_ec_ishtp: Make init_lock static
platform/chrome: chromeos_laptop: Convert to i2c_new_scanned_device
platform/chrome: cros_ec_lpc: Use platform_get_irq_optional() for optional IRQs
platform/chrome: cros_ec_proto: Add response tracing
platform/chrome: cros_ec_trace: Match trace commands with EC commands
Hardware could be physically mounted in any possible direction and
userpspace needs to be aware of the mounting orientation in order to
process sensor's data correctly. In particular this helps iio-sensor-proxy
to report display's orientation properly on a phone/tablet devices.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This puts an upper bound on "val2" but it also needs to have a lower
bound (BMA400_SCALE_MIN).
Fixes: 465c811f1f ("iio: accel: Add driver for the BMA400")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Device property API allows to gather device resources from different sources,
such as ACPI. Convert the drivers to unleash the power of device property API.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Since we have access to the struct device_driver and thus to the ID table,
there is no need to supply special parameters to st_sensors_of_name_probe().
Besides that we have a common API to get driver match data, there is
no need to do matching separately for OF and ACPI.
Taking into consideration above, simplify the ST sensors code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
All timeouts are now handled by a dedicated timeout struct. This
variable is no longer needed.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The adis library only allows to define a `startup_delay` which for some
devices is enough. However, other devices define different timeouts with
significantly different timings which could lead to devices to not wait
enough time or to wait a lot more than necessary (which is not
efficient). This patch introduces a new timeout struct that must be
passed into `adis_init()`. There are mainly, for now, three timeouts
used. This is also an introductory patch with the goal of refactoring
`adis_initial_startup()`. New driver's (eg: adis16480, adis16460) are
replicating code for the device initial setup. With some changes (being
this the first one) we can pass this to `adis_initial_startup()`.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
New device support
* ad7091r5 ADC
- New driver with follow up patch adding scale and vref support.
- DT bindings
* ad7923
- Support for ad7908, ad7918 and ad7928 added to driver.
* bma180
- Support the BMA254 accelerometer. Required fairly substantial rework
to allow for small differences between this an existing parts.
* bma400 accelerometer
- New driver with follow up patch for regulator support.
- DT bindings.
* asc dlhl60d
- New driver support this range of pressure and temperature sensors.
- DT bindings.
* ltc2496 ADC
- New driver to support this ADC.
- Split the existing LTC2497 driver generic component out and reuse.
- DT bindings.
* parallax ping
- New driver supporting ultrasonic and laser tof distance sensors.
- Bindings for these sensors.
New features
* core
- New char type for read_raw returns, used for thermocouple types.
- Rename read_first_n callback to read. The reasons behind the original
naming are lost to the mists of time.
* ad799x
- Allow pm_ops to disable device completely allowing regulator power down.
* bma180
- Enable basic regulator support.
* dmaengine buffer
- Report platform data alignment requirements via new ABI.
* max31856
- Add option to set mains filter rejection frequency and document
new in_temp_filter_notch_center_frequency ABI.
- Add support for configuring HW averaging (oversampling ratio)
- Add runtime configuration of thermocouple type and document new ABI.
* maxim-thermocouple
- Add read only access to thermocouple type using new ABI, includes
adding more specific compatibles to reflect which variant of the
chip is being used.
* mpu6050
- Provide option to support the PMU9150 in package magnetometer directly
rather than via auxiliary bus.
* stm32_adc
- Add overrun interrupt checks to detect if this happens.
* st_lsm6dsx
- Enable the sensor-hub support for lsm6dsm. Includes various reworks to
allow this.
Cleanups and minor fixes
* Subsystem wide
- Tidy up indentation in Kconfig and fix alphabetical order of AD7091R5.
- Drop linux/gpio.h and linux/of_gpio.h from drivers that don't use them.
* ad7266
- Convert to GPIO descriptors.
* ad7303
- Avoid a dance with checking if the regulator is supplied by just
using the optional request interface.
* ad7887
- Simplify channel specification assignment to enable adding more devices.
* ad7923
- Drop some unused and largely pointless defines of BOB_N==N variety.
- Tidy up checkpatch warnings.
- Add missing of_device_id table.
* adf4350
- Convert to GPIO descriptors.
* ak8975
- Convert to GPIO descriptors.
* ADIS library and drivers
- Expand scope of txrx_lock to cover all state and rename as state_lock
- Add unlocked read / write to allow grouping of consecutive calls under
single lock / unlock.
- Add unlocked check_status, reset to allow grouping under single
lock / unlock.
- Remove remaining uses of core mlock for local state protection.
mlock should never be used directly as it protects tightly defined
core IIO device management state.
* adis16240
- Enforce only supported SPI mode on driver load + add DT binding doc.
* atlas-ph-sensor
- Rename to atlas-sensor given it now covers things beyond ph sensors.
* bma180
- Use local dev variable to tidy up code.
- Use c99 style explicity .member assignment to make driver more readable.
* bmp280
- Drop ACPI support. No evidence this was used and appropriate ID is not
registered.
- Allow ACPI to bind device via PRP0001
* dmaengine buffer
- Use dma_request_chan instead of dma_request_slave_channel_reason as that
ABI is going away.
- Add module info to avoid tainting the kernel.
* hts221
- Avoid magic number defines when only used to fill structure elements
that are self describing.
* lm3533
- Drop a stray semicolon.
* max9611
- Cleanup enum handling to be more resilient to future changes.
* mpu6050
- Delete MPU9150 from supported SPI devices as doesn't provide SPI.
- Select I2C_MUX again after kbuild issue fixed elsewhere.
* stm32-timer
- Drop an unnecessary register update.
* ssp_sensors
- Convert to GPIO descriptors.
* st_sensors
- drop !CONFIG_ACPI defines as ACPI_PTR() will stop them being used
anyway.
- Make default platform data structures __maybe_unsued.
- Fill in some missing kernel-doc function parameters.
* st_lsm6dsx
- white space fixes.
- Mark some constants that aren't always used as __maybe_unused.
- Drop of ID table guards as they just pervent use under ACPI.
- Switch to device properties to allow ACPI usage.
* st_uvis25
- Drop acpi.h include as no ACPI APIs used.
* ti-ads1015
- Drop legacy platform data as no one seems to be using it.
- Use the device property API instead of OF specific.
* ti-ads7950
- typo fix in error message.
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Merge tag 'iio-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of new device support, features and cleanups for IIO in the 5.6 cycle
New device support
* ad7091r5 ADC
- New driver with follow up patch adding scale and vref support.
- DT bindings
* ad7923
- Support for ad7908, ad7918 and ad7928 added to driver.
* bma180
- Support the BMA254 accelerometer. Required fairly substantial rework
to allow for small differences between this an existing parts.
* bma400 accelerometer
- New driver with follow up patch for regulator support.
- DT bindings.
* asc dlhl60d
- New driver support this range of pressure and temperature sensors.
- DT bindings.
* ltc2496 ADC
- New driver to support this ADC.
- Split the existing LTC2497 driver generic component out and reuse.
- DT bindings.
* parallax ping
- New driver supporting ultrasonic and laser tof distance sensors.
- Bindings for these sensors.
New features
* core
- New char type for read_raw returns, used for thermocouple types.
- Rename read_first_n callback to read. The reasons behind the original
naming are lost to the mists of time.
* ad799x
- Allow pm_ops to disable device completely allowing regulator power down.
* bma180
- Enable basic regulator support.
* dmaengine buffer
- Report platform data alignment requirements via new ABI.
* max31856
- Add option to set mains filter rejection frequency and document
new in_temp_filter_notch_center_frequency ABI.
- Add support for configuring HW averaging (oversampling ratio)
- Add runtime configuration of thermocouple type and document new ABI.
* maxim-thermocouple
- Add read only access to thermocouple type using new ABI, includes
adding more specific compatibles to reflect which variant of the
chip is being used.
* mpu6050
- Provide option to support the PMU9150 in package magnetometer directly
rather than via auxiliary bus.
* stm32_adc
- Add overrun interrupt checks to detect if this happens.
* st_lsm6dsx
- Enable the sensor-hub support for lsm6dsm. Includes various reworks to
allow this.
Cleanups and minor fixes
* Subsystem wide
- Tidy up indentation in Kconfig and fix alphabetical order of AD7091R5.
- Drop linux/gpio.h and linux/of_gpio.h from drivers that don't use them.
* ad7266
- Convert to GPIO descriptors.
* ad7303
- Avoid a dance with checking if the regulator is supplied by just
using the optional request interface.
* ad7887
- Simplify channel specification assignment to enable adding more devices.
* ad7923
- Drop some unused and largely pointless defines of BOB_N==N variety.
- Tidy up checkpatch warnings.
- Add missing of_device_id table.
* adf4350
- Convert to GPIO descriptors.
* ak8975
- Convert to GPIO descriptors.
* ADIS library and drivers
- Expand scope of txrx_lock to cover all state and rename as state_lock
- Add unlocked read / write to allow grouping of consecutive calls under
single lock / unlock.
- Add unlocked check_status, reset to allow grouping under single
lock / unlock.
- Remove remaining uses of core mlock for local state protection.
mlock should never be used directly as it protects tightly defined
core IIO device management state.
* adis16240
- Enforce only supported SPI mode on driver load + add DT binding doc.
* atlas-ph-sensor
- Rename to atlas-sensor given it now covers things beyond ph sensors.
* bma180
- Use local dev variable to tidy up code.
- Use c99 style explicity .member assignment to make driver more readable.
* bmp280
- Drop ACPI support. No evidence this was used and appropriate ID is not
registered.
- Allow ACPI to bind device via PRP0001
* dmaengine buffer
- Use dma_request_chan instead of dma_request_slave_channel_reason as that
ABI is going away.
- Add module info to avoid tainting the kernel.
* hts221
- Avoid magic number defines when only used to fill structure elements
that are self describing.
* lm3533
- Drop a stray semicolon.
* max9611
- Cleanup enum handling to be more resilient to future changes.
* mpu6050
- Delete MPU9150 from supported SPI devices as doesn't provide SPI.
- Select I2C_MUX again after kbuild issue fixed elsewhere.
* stm32-timer
- Drop an unnecessary register update.
* ssp_sensors
- Convert to GPIO descriptors.
* st_sensors
- drop !CONFIG_ACPI defines as ACPI_PTR() will stop them being used
anyway.
- Make default platform data structures __maybe_unsued.
- Fill in some missing kernel-doc function parameters.
* st_lsm6dsx
- white space fixes.
- Mark some constants that aren't always used as __maybe_unused.
- Drop of ID table guards as they just pervent use under ACPI.
- Switch to device properties to allow ACPI usage.
* st_uvis25
- Drop acpi.h include as no ACPI APIs used.
* ti-ads1015
- Drop legacy platform data as no one seems to be using it.
- Use the device property API instead of OF specific.
* ti-ads7950
- typo fix in error message.
* tag 'iio-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (99 commits)
iio: accel: bma180: BMA254 support
iio: pressure: bmp280: Allow device to be enumerated from ACPI
iio: pressure: bmp280: Drop ACPI support
dt-bindings: iio: adc: convert sd modulator to json-schema
iio: buffer: rename 'read_first_n' callback to 'read'
iio: buffer-dmaengine: Report buffer length requirements
bindings: iio: pressure: Add documentation for dlh driver
dt-bindings: Add asc vendor
iio: pressure: Add driver for DLH pressure sensors
iio: buffer-dmaengine: Add module information
iio: accel: bma180: Use explicit member assignment
iio: accel: bma180: Basic regulator support
iio: accel: bma180: Add dev helper variable
iio: imu: st_lsm6dsx: enable sensor-hub support for lsm6dsm
iio: imu: st_lsm6dsx: rename st_lsm6dsx_shub_read_reg in st_lsm6dsx_shub_read_output
iio: imu: st_lsm6dsx: check if shub_output reg is located in primary page
iio: imu: st_lsm6dsx: check if pull_up is located in primary page
iio: imu: st_lsm6dsx: check if master_enable is located in primary page
iio: imu: st_lsm6dsx: export max num of slave devices in st_lsm6dsx_shub_settings
iio: light: remove unneeded semicolon
...
This header file now only includes the cros_ec_dev struct, however, is the
'include/linux/platform_data/cros_ec_proto.h' who contains the definition of
all the Chrome OS EC related structs. There is no reason to have a
separate include for this struct so move to the place where other
structs are defined. That way, we can remove the include itself, but also
simplify the common pattern
#include <linux/mfd/cros_ec.h>
#include <linux/platform_data/cros_ec_proto.h>
for a single include
#include <linux/platform_data/cros_ec_proto.h>
The changes to remove the cros_ec.h include were generated with the
following shell script:
git grep -l "<linux/mfd/cros_ec.h>" | xargs sed -i '/<linux\/mfd\/cros_ec.h>/d'
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This adds support for the BMA254 variant of this
accelerometer. The only difference for the simple IIO
driver is that values are 12 bit and the temperature
offset differs by 1 degree.
Whilst wildcards in naming are normally frowned upon:
The cases where I have labeled variables "25x" is where the
models are identical, so as to make things easier for people
that want to add support for BMA253 and BMA255.
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This uses the C99 explicit .member assignment for the
variant data in struct bma180_part_info. This makes it
easier to understand and add new variants.
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This brings up the VDD and VDDIO regulators using the
regulator framework. Platforms that do not use regulators
will provide stubs or dummy regulators.
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Having a shorthand "dev" instead of &client->dev everywhere
makes the code easier to read (more compact).
Cc: Peter Meerwald <pmeerw@pmeerw.net>
Cc: Oleksandr Kravchenko <o.v.kravchenko@globallogic.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Since we put static variable to a header file it's copied to each module
that includes the header. But not all of them are actually used it.
Mark default_accel_pdata with __maybe_unused to calm a compiler down:
In file included from drivers/iio/accel/st_accel_i2c.c:19:
drivers/iio/accel/st_accel.h:67:46: warning: ‘default_accel_pdata’ defined but not used [-Wunused-const-variable=]
67 | static const struct st_sensors_platform_data default_accel_pdata = {
| ^~~~~~~~~~~~~~~~~~~
...
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
ACPI_PTR() takes care of the argument in case of !CONFIG_ACPI.
Remove unnecessary #else branch.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support for the VDD and VDDIO regulators using the regulator
framework.
Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a IIO driver for the Bosch BMA400 3-axes ultra-low power accelerometer.
The driver supports reading from the acceleration and temperature
registers. The driver also supports reading and configuring the output data
rate, oversampling ratio, and scale.
Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Mixture of old things people have just hit, and a few late breaking
issues with things that went in during the merge window.
Being sent promptly to resolve potential DT breakage causing
issues for binding test builds.
* ad7606
- Avoid reading extra data from the device over what was intended.
* ad7124
- Enable the internal reference when in use.
* ad7292
- Fix up license for newly added binding. Better to not have this go
out in a release with more limited header than intended.
- Fix a constraint on number of channels.
* ad7949
- Fix an issue which can result in readouts being from the wrong channel.
* hdc100x
- Fix wrong ABI usage (units) for relative humidity channel.
* intel mrfld
- Allocate right amount of private data (currently allocating too much).
* ltc2983
- Avoid a potential issue with machine endianness and wrong length device
tree read.
* max1027
- Clean up leak of an iio_trigger on probe failure.
* max9611
- Ensure we sleep long enough to successfully initialize the sensor.
* mpu6050
- Fix wrong ABI usage (units) for temperature channel.
* st_accel
- Fix an unused variable warning.
* st_lsm6dsx
- Fix decimation factor issue that can lead to missaligned datasets
(and hence garbage)
- Fix an issue with how we track enabled fifo channels.
- Avoid powering off the device if wake up events are enabled.
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Merge tag 'iio-fixes-for-5.5a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of fixes for IIO in the 5.5 cycle.
Mixture of old things people have just hit, and a few late breaking
issues with things that went in during the merge window.
Being sent promptly to resolve potential DT breakage causing
issues for binding test builds.
* ad7606
- Avoid reading extra data from the device over what was intended.
* ad7124
- Enable the internal reference when in use.
* ad7292
- Fix up license for newly added binding. Better to not have this go
out in a release with more limited header than intended.
- Fix a constraint on number of channels.
* ad7949
- Fix an issue which can result in readouts being from the wrong channel.
* hdc100x
- Fix wrong ABI usage (units) for relative humidity channel.
* intel mrfld
- Allocate right amount of private data (currently allocating too much).
* ltc2983
- Avoid a potential issue with machine endianness and wrong length device
tree read.
* max1027
- Clean up leak of an iio_trigger on probe failure.
* max9611
- Ensure we sleep long enough to successfully initialize the sensor.
* mpu6050
- Fix wrong ABI usage (units) for temperature channel.
* st_accel
- Fix an unused variable warning.
* st_lsm6dsx
- Fix decimation factor issue that can lead to missaligned datasets
(and hence garbage)
- Fix an issue with how we track enabled fifo channels.
- Avoid powering off the device if wake up events are enabled.
* tag 'iio-fixes-for-5.5a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: adc: max9611: Fix too short conversion time delay
iio: ad7949: fix channels mixups
iio: imu: st_lsm6dsx: do not power-off accel if events are enabled
iio: imu: st_lsm6dsx: track hw FIFO buffering with fifo_mask
iio: imu: st_lsm6dsx: fix decimation factor estimation
iio: imu: inv_mpu6050: fix temperature reporting using bad unit
iio: humidity: hdc100x: fix IIO_HUMIDITYRELATIVE channel reporting
iio: adc: max1027: fix not unregistered iio trigger
iio: adc: intel_mrfld_adc: Allocating too much data in probe()
iio: adc: ad7124: Enable internal reference
dt-bindings: iio: adc: ad7292: fix constraint over channel quantity
dt-bindings: iio: adc: ad7292: Update SPDX identifier
iio: temperature: ltc2983: fix u32 read into a unsigned long long
iio: st_accel: Fix unused variable warning
iio: adc: ad7606: fix reading unnecessary data from device
drivers/iio/accel/st_accel_core.c:1005:44: warning:
mount_matrix_ext_info defined but not used [-Wunused-const-variable=]
Using stub helper while CONFIG_ACPI is disabled to fix it.
Suggested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* CrOS EC / MFD / IIO
- Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part of a
series from Gwendal to refactor sensor code between MFD, CrOS EC, iio
and input in order to add a new sensorhub driver and FIFO processing
* Wilco EC:
- Add support for Dell's USB PowerShare policy control, keyboard
backlight LED driver, and a new test_event file.
- Fixes use after free in wilco_ec's telemetry driver.
* Misc:
- bugfix in cros_usbpd_logger (missing destroy workqueue).
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Merge tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform changes from Benson Leung:
"CrOS EC / MFD / IIO:
- Contains tag-ib-chrome-mfd-iio-input-5.5, which is the first part
of a series from Gwendal to refactor sensor code between MFD, CrOS
EC, iio and input in order to add a new sensorhub driver and FIFO
processing
Wilco EC:
- Add support for Dell's USB PowerShare policy control, keyboard
backlight LED driver, and a new test_event file.
- Fixes use after free in wilco_ec's telemetry driver.
Misc:
- bugfix in cros_usbpd_logger (missing destroy workqueue)"
* tag 'tag-chrome-platform-for-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: wilco_ec: fix use after free issue
platform/chrome: cros_ec: Add Kconfig default for cros-ec-sensorhub
Revert "Input: cros_ec_keyb: mask out extra flags in event_type"
Revert "Input: cros_ec_keyb - add back missing mask for event_type"
platform/chrome: cros_ec: handle MKBP more events flag
platform/chrome: cros_ec: Do not attempt to register a non-positive IRQ number
platform/chrome: cros-ec: Record event timestamp in the hard irq
mfd / platform / iio: cros_ec: Register sensor through sensorhub
iio / platform: cros_ec: Add cros-ec-sensorhub driver
mfd / platform: cros_ec: Add sensor_count and make check_features public
platform/chrome: cros_ec: Put docs with the code
platform/chrome: cros_usbpd_logger: add missed destroy_workqueue in remove
platform/chrome: cros_ec: Fix Kconfig indentation
platform/chrome: wilco_ec: Add keyboard backlight LED support
platform/chrome: wilco_ec: Add charging config driver
platform/chrome: wilco_ec: Add Dell's USB PowerShare Policy control
platform/chrome: wilco_ec: Add debugfs test_event file
Remove the duplicated code in MFD, since MFD just registers cros-ec-sensorhub
if at least one sensor is present.
Change IIO cros-ec driver to get the pointer to the cros-ec-dev through
cros-ec-sensorhub.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
None of the ST sensor drivers use any symbols from
<linux/gpio.h>, just drop the include from all of them.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* adis16400
- Make sure to free memory on a few failure paths.
* adxl372
- Fix wrong fifo depth
- Fix wrong indexing of data from the fifo.
- Perform a reset at startup to avoid a problem with inconsistent state.
* axp288
- This is a fix for a fix. The original fix made sure we kept the
configuration from some firmwares to preserve a bias current.
Unfortunately it appears the previous behaviour was working around
a buggy firmware by overwriting the wrong value it had. Hence
a regression was seen.
* bmc150
- Fix the centre temperature. This was due to an error in one of the
datasheets.
* hx711
- Fix an issue where a badly timed interrupt could lead to a control
line being high long enough to put the device into a low power state.
* meson_sar_adc
- Fix a case where the irq was enabled before everything it uses was
allocated.
* st_lsm6dsx
- Ensure we don't set the sensor sensitivity to 0 as it will force
all readings to 0.
- Fix a wait time for the slave i2c controller when the accelerometer
is not enabled.
* stm32-adc
- Precursor for fix. Move a set of register definitions to a header.
- Fix a race when several ADCs are in use with some using interrupts
to control the dataflow and some using DMA.
* vcnl4000
- Fix a garbage of_match_table in which a string was passed instead
of the intended enum.
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Merge tag 'iio-fixes-for-5.4a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes for the 5.4 cycle.
* adis16400
- Make sure to free memory on a few failure paths.
* adxl372
- Fix wrong fifo depth
- Fix wrong indexing of data from the fifo.
- Perform a reset at startup to avoid a problem with inconsistent state.
* axp288
- This is a fix for a fix. The original fix made sure we kept the
configuration from some firmwares to preserve a bias current.
Unfortunately it appears the previous behaviour was working around
a buggy firmware by overwriting the wrong value it had. Hence
a regression was seen.
* bmc150
- Fix the centre temperature. This was due to an error in one of the
datasheets.
* hx711
- Fix an issue where a badly timed interrupt could lead to a control
line being high long enough to put the device into a low power state.
* meson_sar_adc
- Fix a case where the irq was enabled before everything it uses was
allocated.
* st_lsm6dsx
- Ensure we don't set the sensor sensitivity to 0 as it will force
all readings to 0.
- Fix a wait time for the slave i2c controller when the accelerometer
is not enabled.
* stm32-adc
- Precursor for fix. Move a set of register definitions to a header.
- Fix a race when several ADCs are in use with some using interrupts
to control the dataflow and some using DMA.
* vcnl4000
- Fix a garbage of_match_table in which a string was passed instead
of the intended enum.
* tag 'iio-fixes-for-5.4a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: Fix an undefied reference error in noa1305_probe
iio: light: opt3001: fix mutex unlock race
iio: adc: ad799x: fix probe error handling
iio: light: add missing vcnl4040 of_compatible
iio: light: fix vcnl4000 devicetree hooks
iio: imu: st_lsm6dsx: fix waitime for st_lsm6dsx i2c controller
iio: adc: axp288: Override TS pin bias current for some models
iio: imu: adis16400: fix memory leak
iio: imu: adis16400: release allocated memory on failure
iio: adc: stm32-adc: fix a race when using several adcs with dma and irq
iio: adc: stm32-adc: move registers definitions
iio: accel: adxl372: Perform a reset at start up
iio: accel: adxl372: Fix push to buffers lost samples
iio: accel: adxl372: Fix/remove limitation for FIFO samples
iio: adc: hx711: fix bug in sampling of data
iio: fix center temperature of bmc150-accel-core
iio: imu: st_lsm6dsx: forbid 0 sensor sensitivity
iio: adc: meson_saradc: Fix memory allocation order
We need to perform a reset a start up to make sure that the chip is in a
consistent state. This reset also disables all the interrupts which
should only be enabled together with the iio buffer. Not doing this, was
sometimes causing unwanted interrupts to trigger.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Fixes: f4f55ce38e ("iio:adxl372: Add FIFO and interrupts support")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
One in two sample sets was lost by multiplying fifo_set_size with
sizeof(u16). Also, the double number of available samples were pushed to
the iio buffers.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Fixes: f4f55ce38e ("iio:adxl372: Add FIFO and interrupts support")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Currently, the driver sets the FIFO_SAMPLES register with the number of
sample sets (maximum of 170 for 3 axis data, 256 for 2-axis and 512 for
single axis). However, the FIFO_SAMPLES register should store the number
of samples, regardless of how the FIFO format is configured.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Fixes: f4f55ce38e ("iio:adxl372: Add FIFO and interrupts support")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The center temperature of the supported devices stored in the constant
BMC150_ACCEL_TEMP_CENTER_VAL is not 24 degrees but 23 degrees.
It seems that some datasheets were inconsistent on this value leading
to the error. For most usecases will only make minor difference so
not queued for stable.
Signed-off-by: Pascal Bouwmann <bouwmann@tau-tec.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There is a bit of mess between cros-ec mfd includes and platform
includes. For example, we have a linux/mfd/cros_ec.h include that
exports the interface implemented in platform/chrome/cros_ec_proto.c. Or
we have a linux/mfd/cros_ec_commands.h file that is non related to the
multifunction device (in the sense that is not exporting any function of
the mfd device). This causes crossed includes between mfd and
platform/chrome subsystems and makes the code difficult to read, apart
from creating 'curious' situations where a platform/chrome driver includes
a linux/mfd/cros_ec.h file just to get the exported functions that are
implemented in another platform/chrome driver.
In order to have a better separation on what the cros-ec multifunction
driver does and what the cros-ec core provides move and rework the
affected includes doing:
- Move cros_ec_commands.h to include/linux/platform_data/cros_ec_commands.h
- Get rid of the parts that are implemented in the platform/chrome/cros_ec_proto.c
driver from include/linux/mfd/cros_ec.h to a new file
include/linux/platform_data/cros_ec_proto.h
- Update all the drivers with the new includes, so
- Drivers that only need to know about the protocol include
- linux/platform_data/cros_ec_proto.h
- linux/platform_data/cros_ec_commands.h
- Drivers that need to know about the cros-ec mfd device also include
- linux/mfd/cros_ec.h
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
Series changes: 3
- Fix dereferencing pointer to incomplete type 'struct cros_ec_dev' (lkp)
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The KIOX010A and KIOX020A ACPI ids go hand in hand, they are used in
yoga style 2-in-1s, with KIOX010A indicating the KXCJ91008 sensor in the
display of the 2-in-1 and KIOX020A indicating the KXCJ91008 sensor in the
base.
Improve the existing comment on the "KIOX010A" kx_acpi_match table entry
to make clear we are talking about a yoga-style (360 degree hinges) device
here and add a similar comment to the "KIOX020A" entry.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch is removing the buffer allocation at each buffer enable.
We just allocate enough memory in the main structure during probe
to cover maximum size needed (that anyway is pretty small) [16bytes].
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Not even sure why it was there since the beginning. Just use IRQ
number in the sensor_data struct.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch is trying to cleanup for good the buffers operation functions.
There is no need of using preenable, all can be done into
postenable.
Let's also rename the goto label using operation to perform and not
where it fails.
Note, not stable material. This is cleaning up the logic flow rather
than fixing a bug.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Veyron minnie embedded controller presents 2 accelerometers using an
older interface. Add function to query the data in cros_ec_accel.
Verify accelerometers on veyron-minnie are presented and working.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove duplicate code in cros-ec-accel-legacy,
use cros-ec-sensors-core functions and structures when possible.
On glimmer, check the 2 accelerometers are presented and working.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
INFO_SCALE is set both for each channel and all channels.
iio is using all channel setting, so the error was not user visible.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use device-managed APIs to simplify the code.
The remove function is redundant now and can
be deleted.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch is meant to replace the i2c/spi transfer functions with
regmap. SPI framework requires DMA safe buffers so let's add GFP_DMA
flag for memory allocation used by bulk_read functions.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Some devices need to be configured with special bit in order to
use spi 3-wire. This was done during device identification phase.
Instead, let's move this part as spi specific.
Doing this the check_device_support function becomes a simple
device id check, so let's rename it.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch set accel settings right after probe start. This is
done in preparation of regmap that needs different configuration
based on multiread bit value.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The function is introduced to retrieve accel device settings. It will be
used by probe in order to configure regmap.
Signed-off-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
All #define are about SCA3000_... except the last one.
Make it consistent.
s/SAC3000/SCA3000/
This #define is apparently unused up to now.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
A few bits for the counters subsystem mixed in here as well.
There are some late breaking fixes as well, which aren't so urgent
they can't wait for the merge window.
New Device Support
* adf4371
- New driver + bindings.
- Support the adf4372 PLL. Mostly ID and bindings.
* ad8366 (note includes rework of driver needed to allow support for these).
- Support the ADL5240 variable gain amplifier (VGA).
- Support the ADA4961 digital gain amplifier (DGA).
* dps310
- New driver, in several parts from different authors for this temp
and pressure sensor.
- Includes errata workaround for a temperature reading issue.
* stk3310
- Support the stk3335, mostly ID.
Features and cleanups
* core
- drop error handling on debugfs registration.
- harden by making sure we don't overrun iio_chan_info_postfix.
* docs
- convert remaining docs to rst. At somepoint we'll fit these few
into the main IIO docs.
- improve sampling_frequency_available docs but explaining the
range form.
* ad_sigma_delta
- Drop a pointless goto.
* ad2s1210
- Drop pointless platform data null check seeing as we don't actually
use platform data anymore.
* ad7124
- Relax limitation on channel numbers to allow pseudo different channels.
- Support control of whether the input is buffered via DT.
- Use dynamic allocation for channel configuration to make it easier
to support new devices.
- YAML binding conversion.
* ad7150
- Comment tidy up.
- Consistent and simple if (ret) handling of i2c errors.
- FIELD_GET and GENMASK.
- Ternary rather than !!(condition) for readability.
- Use macros to avoid repetition of channel definitions.
* ad7606
- Add software channel config (rather that pin controlled)
- Refactor to simplify addition of new part in future.
* ad7746
- of_deivce_id table.
* ad7780
- MAINTAINERS entry
- YAML DT bindings.
* ad8366
- Stop using core mlock in favour of well scoped local lock.
- SPDX + copyright date update.
* ad9834
- of_device_id table
* adf4371
- Add support for output stage muting before lock on has occured.
* adis library
- MAINTAINERS entry to reflect that this now Alexandru's problem ;)
* adis162xx:
- Fix a slightly incorrect set of comments and print statements on
minimum supported voltage.
* adis16203
- of_device_id table.
* adis16240
- Add of_device_id table (in two parts as first patch only used it for
MODULE_DEVICE_TABLE.)
* adt7316-spi
- of_device_id table
* adxl372
- YAML DT binding conversion.
- Cleanup use of buffer callback functions (precursor to core rework).
* bh1710
- Simplify getting the i2c adapter from the client.
* dht11
- Mote to newer GPIO consumer interface.
* kxcjk-1013.c
- Add binding for sensor in display of some ultrabooks after userspace
tools updated for it not be a problem to report two similar sensors.
* imx7d
- drop unused variables.
- white space
- define instead of variable for clock frequency that is fixed.
- drop pointless error message.
* messon_saradc
- SPDX
* sps30
- MAINTAINERS entry
- YAML binding conversion.
* st_accel
- Tidy up ordering in various buffer related callbacks. This is
part of a long running effort to simplify the core code.
* stm32-dfsdm:
- Manage the resolution cleanly in triggerd modes.
- Add fast mode support which allows more flexible filter choices.
- Add a comment on the reason for a 16 bit record when technically
not 'required'.
* st_lsm6dsx
- Embed device name in the sensor_settings struct as i3c doesn't
have a convenient name field to use for this.
* xilinx-adc
- Relax constraints on supported platforms to reflect that this
can used with FPGAs on PCIe cards and hence many architectures.
* counters/ftm-quaddec
- Fix some formatting io MODULE_AUTHOR
- MAINTAINERS entry
Fixes
* tools
- fix incorrect handling of 32 bit channels.
* sca3000
- Potential endian bug that is unlikely to bite anyone (be64 host
seems unlikely for this old part).
* stm32-adc
- Add vdda-supply. On some boards it needs to be turned on to supply
the ADC. DT bindings included.
* stm32-dfsdm
- Fix output resolution to work with filter orders other than 3.
- Fix output datatype as it's signed and previously claimed not to be.
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Merge tag 'iio-for-5.3b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of IIO device support, features, cleanups and minor fixes for 5.3.
A few bits for the counters subsystem mixed in here as well.
There are some late breaking fixes as well, which aren't so urgent
they can't wait for the merge window.
New Device Support
* adf4371
- New driver + bindings.
- Support the adf4372 PLL. Mostly ID and bindings.
* ad8366 (note includes rework of driver needed to allow support for these).
- Support the ADL5240 variable gain amplifier (VGA).
- Support the ADA4961 digital gain amplifier (DGA).
* dps310
- New driver, in several parts from different authors for this temp
and pressure sensor.
- Includes errata workaround for a temperature reading issue.
* stk3310
- Support the stk3335, mostly ID.
Features and cleanups
* core
- drop error handling on debugfs registration.
- harden by making sure we don't overrun iio_chan_info_postfix.
* docs
- convert remaining docs to rst. At somepoint we'll fit these few
into the main IIO docs.
- improve sampling_frequency_available docs but explaining the
range form.
* ad_sigma_delta
- Drop a pointless goto.
* ad2s1210
- Drop pointless platform data null check seeing as we don't actually
use platform data anymore.
* ad7124
- Relax limitation on channel numbers to allow pseudo different channels.
- Support control of whether the input is buffered via DT.
- Use dynamic allocation for channel configuration to make it easier
to support new devices.
- YAML binding conversion.
* ad7150
- Comment tidy up.
- Consistent and simple if (ret) handling of i2c errors.
- FIELD_GET and GENMASK.
- Ternary rather than !!(condition) for readability.
- Use macros to avoid repetition of channel definitions.
* ad7606
- Add software channel config (rather that pin controlled)
- Refactor to simplify addition of new part in future.
* ad7746
- of_deivce_id table.
* ad7780
- MAINTAINERS entry
- YAML DT bindings.
* ad8366
- Stop using core mlock in favour of well scoped local lock.
- SPDX + copyright date update.
* ad9834
- of_device_id table
* adf4371
- Add support for output stage muting before lock on has occured.
* adis library
- MAINTAINERS entry to reflect that this now Alexandru's problem ;)
* adis162xx:
- Fix a slightly incorrect set of comments and print statements on
minimum supported voltage.
* adis16203
- of_device_id table.
* adis16240
- Add of_device_id table (in two parts as first patch only used it for
MODULE_DEVICE_TABLE.)
* adt7316-spi
- of_device_id table
* adxl372
- YAML DT binding conversion.
- Cleanup use of buffer callback functions (precursor to core rework).
* bh1710
- Simplify getting the i2c adapter from the client.
* dht11
- Mote to newer GPIO consumer interface.
* kxcjk-1013.c
- Add binding for sensor in display of some ultrabooks after userspace
tools updated for it not be a problem to report two similar sensors.
* imx7d
- drop unused variables.
- white space
- define instead of variable for clock frequency that is fixed.
- drop pointless error message.
* messon_saradc
- SPDX
* sps30
- MAINTAINERS entry
- YAML binding conversion.
* st_accel
- Tidy up ordering in various buffer related callbacks. This is
part of a long running effort to simplify the core code.
* stm32-dfsdm:
- Manage the resolution cleanly in triggerd modes.
- Add fast mode support which allows more flexible filter choices.
- Add a comment on the reason for a 16 bit record when technically
not 'required'.
* st_lsm6dsx
- Embed device name in the sensor_settings struct as i3c doesn't
have a convenient name field to use for this.
* xilinx-adc
- Relax constraints on supported platforms to reflect that this
can used with FPGAs on PCIe cards and hence many architectures.
* counters/ftm-quaddec
- Fix some formatting io MODULE_AUTHOR
- MAINTAINERS entry
Fixes
* tools
- fix incorrect handling of 32 bit channels.
* sca3000
- Potential endian bug that is unlikely to bite anyone (be64 host
seems unlikely for this old part).
* stm32-adc
- Add vdda-supply. On some boards it needs to be turned on to supply
the ADC. DT bindings included.
* stm32-dfsdm
- Fix output resolution to work with filter orders other than 3.
- Fix output datatype as it's signed and previously claimed not to be.
* tag 'iio-for-5.3b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (68 commits)
iio: iio-utils: Fix possible incorrect mask calculation
iio: frequency: adf4371: Add support for output stage mute
dt-bindings: iio: frequency: Add ADF4372 PLL documentation
iio: frequency: adf4371: Add support for ADF4372 PLL
dt-bindings: iio: adc: Add buffered input property
Convert AD7124 bindings documentation to YAML format.
iio: adc: ad7124: Shift to dynamic allocation for channel configuration
iio: adc: ad7124: Add buffered input support
iio: adc: ad7124: Remove input number limitation
MAINTAINERS: add ADIS IMU driver library entry
iio: adis162xx: fix low-power docs & reports
counter/ftm-quaddec: Add missing '>' in MODULE_AUTHOR
iio: core: no need to check return value of debugfs_create functions
docs: iio: convert to ReST
iio: adc: stm32-adc: add missing vdda-supply
dt-bindings: iio: adc: stm32: add missing vdda supply
iio: adc: stm32-dfsdm: add comment for 16 bits record
iio: adc: stm32-dfsdm: add fast mode support
iio: adc: stm32-dfsdm: manage data resolution in trigger mode
iio: adc: stm32-dfsdm: fix data type
...
All current ADIS162XX drivers have incorrect values defined via comments.
Also, when an error is reported the printed value is incorrect.
The functionality itself isn't affected, so it's not a critical issue.
And since the change is trivial, it was included in a single patch that
fixes these in one go. All values were correlated with the ones specified
in the data-sheets.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The problem is that "ret" is an int but we're casting it as
"(unsigned long *)&ret" when we do the for_each_set_bit() loop. This
will not work on big endian 64 bit systems.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The iio_triggered_buffer_{predisable,postenable} functions attach/detach
the poll functions.
For the predisable hook, the disable code should occur before detaching
the poll func, and for the postenable hook, the poll func should be
attached before the enable code.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The iio_triggered_buffer_{predisable,postenable} functions attach/detach
the poll functions.
For the predisable hook, the disable code should occur before detaching
the poll func, and for the postenable hook, the poll func should be
attached before the enable code.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Some ultrabooks, like Teclast F6 Pro, use KIOX010A sensor on display
and KIOX020A sensor on keyboard base, to detect tablet mode or screen
orientation.
Signed-off-by: Luís Ferreira <luis@aurorafoss.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 101 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190113.822954939@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details you should have received a copy of the gnu general
public license along with this program if not write to the free
software foundation inc 51 franklin st fifth floor boston ma 02110
1301 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 111 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000436.567572064@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this file is subject to the terms and conditions of version 2 of the
gnu general public license see the file copying in the main
directory of this archive for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 55 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000436.108941081@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 263 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
licensed under the gpl 2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 135 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170026.071193225@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 3 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [kishon] [vijay] [abraham]
[i] [kishon]@[ti] [com] this program is distributed in the hope that
it will be useful but without any warranty without even the implied
warranty of merchantability or fitness for a particular purpose see
the gnu general public license for more details
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version [author] [graeme] [gregory]
[gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i]
[kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema]
[hk] [hemahk]@[ti] [com] this program is distributed in the hope
that it will be useful but without any warranty without even the
implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 1105 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 3029 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
licensed under the gpl 2 or later
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 82 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190524100845.150836982@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details you
should have received a copy of the gnu general public license along
with this program if not see http www gnu org licenses
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details [based]
[from] [clk] [highbank] [c] you should have received a copy of the
gnu general public license along with this program if not see http
www gnu org licenses
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 355 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Jilayne Lovejoy <opensource@jilayne.com>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190519154041.837383322@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add SPDX license identifiers to all files which:
- Have no license information of any form
- Have MODULE_LICENCE("GPL*") inside which was used in the initial
scan/conversion to ignore the file
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add missing <of_device_id> table for SPI driver relying on SPI
device match since compatible is in a DT binding or in a DTS.
Before this patch:
modinfo drivers/iio/accel/adxl372_spi.ko | grep alias
After this patch:
modinfo drivers/iio/accel/adxl372_spi.ko | grep alias
alias: spi:adxl372
alias: of:N*T*Cadi,adxl372C*
alias: of:N*T*Cadi,adxl372
Reported-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Daniel Gomez <dagmcr@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add missing <of_device_id> table for SPI driver relying on SPI
device match since compatible is in a DT binding or in a DTS.
Before this patch:
modinfo drivers/iio/accel/kxsd9-spi.ko | grep alias
alias: spi:kxsd9
After this patch:
modinfo drivers/iio/accel/kxsd9-spi.ko | grep alias
alias: spi:kxsd9
alias: of:N*T*Ckionix,kxsd9C*
alias: of:N*T*Ckionix,kxsd9
Reported-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Daniel Gomez <dagmcr@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
New device suport
* ad7606
- Support the AD7616 16 channel, 12bit ADC.
* fxas21002c
- New driver for this gyroscope with I2C and SPI support.
* lsm6dsx
- Support the lsm6dsr, new device information structure and dt bindings.
* srf04
- Addition device IDs for mb1000, mb1010, mb1020, mb1030 and mb1040 +
support of different required trigger pulse lengths.
* st-accel
- Support the ls2de12, new device info and dt bindings.
* ti-ads8344
- New driver for this 8 channel, 16 bit SPI ADC.
Binding conversions to yaml - we have started doing these in general for IIO.
* avia-hx711
* bmp085
Cleanups and minor fixes / additions
* ad5758
- Fixup for some changes between preproduction parts and final part.
* ad7606
- Refactor handling of oversampling to make it easy to vary between
supported devices.
* ad9832
- Organise includes.
- Clock framework to handle clocks.
* ad9834
- Drop unnecessary parenthesis.
* bmc150
- Use __func__ rather than hardcoding.
* dummy_evgen.
- Fix a memleak on error in probe.
* kxcjk1013
- Add KXCJ91008 ACPI ID as seen in the wild.
- Use __func__ rather than hardcoding.
* imx7d
- Local dev variable to simplify code a bit.
- dev_err replaces pr_err to give more info.
- devm_platform_ioremap_resource for small reduction in boilerplate.
- Simplify probe and remove by sharing suspend / resume logic.
- Devm for iio_device_register as remove only contains the unregister.
* lsm6dsx
- Remove a variable that was never read.
- Open code values where they are effectively described by what is assigned
to them rather than using uninformative defines.
* max31856
- Avoid an unintialized ret variable in a path that can't actually occur
but is hard for a static checker to know.
* max9611
- White space
* mpu3050
- Reduce a sleep worst case by switching from msleep to usleep_range.
* qcom-spmi-adc5
- Add MODULE_DEVICE_TABLE to assist autoloading of this as a module.
* stm32-dfsdm
- Fix missing dependencies.
* stm32-timer trigger
- Fix a build issue when disabled.
* ti-ads7950
- Fix mising dependency on CONFIG_GPIOLIB.
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Merge tag 'iio-for-5.2b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of IIO new device support, features and cleanup for the 5.2 cycle.
New device suport
* ad7606
- Support the AD7616 16 channel, 12bit ADC.
* fxas21002c
- New driver for this gyroscope with I2C and SPI support.
* lsm6dsx
- Support the lsm6dsr, new device information structure and dt bindings.
* srf04
- Addition device IDs for mb1000, mb1010, mb1020, mb1030 and mb1040 +
support of different required trigger pulse lengths.
* st-accel
- Support the ls2de12, new device info and dt bindings.
* ti-ads8344
- New driver for this 8 channel, 16 bit SPI ADC.
Binding conversions to yaml - we have started doing these in general for IIO.
* avia-hx711
* bmp085
Cleanups and minor fixes / additions
* ad5758
- Fixup for some changes between preproduction parts and final part.
* ad7606
- Refactor handling of oversampling to make it easy to vary between
supported devices.
* ad9832
- Organise includes.
- Clock framework to handle clocks.
* ad9834
- Drop unnecessary parenthesis.
* bmc150
- Use __func__ rather than hardcoding.
* dummy_evgen.
- Fix a memleak on error in probe.
* kxcjk1013
- Add KXCJ91008 ACPI ID as seen in the wild.
- Use __func__ rather than hardcoding.
* imx7d
- Local dev variable to simplify code a bit.
- dev_err replaces pr_err to give more info.
- devm_platform_ioremap_resource for small reduction in boilerplate.
- Simplify probe and remove by sharing suspend / resume logic.
- Devm for iio_device_register as remove only contains the unregister.
* lsm6dsx
- Remove a variable that was never read.
- Open code values where they are effectively described by what is assigned
to them rather than using uninformative defines.
* max31856
- Avoid an unintialized ret variable in a path that can't actually occur
but is hard for a static checker to know.
* max9611
- White space
* mpu3050
- Reduce a sleep worst case by switching from msleep to usleep_range.
* qcom-spmi-adc5
- Add MODULE_DEVICE_TABLE to assist autoloading of this as a module.
* stm32-dfsdm
- Fix missing dependencies.
* stm32-timer trigger
- Fix a build issue when disabled.
* ti-ads7950
- Fix mising dependency on CONFIG_GPIOLIB.
* tag 'iio-for-5.2b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (42 commits)
iio: adc: qcom-spmi-adc5: Fix of-based module autoloading
iio: dummy_evgen: fix possible memleak in evgen init
iio:accel:Switch hardcoded function name with a reference to __func__ making the code more maintainable
iio: adc: stm32-dfsdm: fix triggered buffer build dependency
iio: adc: stm32-dfsdm: fix unmet direct dependencies detected
iio: trigger: stm32-timer: fix build issue when disabled
iio: imx7d_adc: Use devm_iio_device_register()
iio: imx7d_adc: Simplify imx7d_adc_remove() with imx7d_adc_suspend()
iio: imx7d_adc: Simplify imx7d_adc_probe() with imx7d_adc_resume()
drivers/iio/gyro/mpu3050-core.c: This patch fix the following checkpatch warning.
iio: dac: ad5758: Modifications for new revision
iio: imu: st_lsm6dsx: inline per-sensor data
iio: adc: Add driver for the TI ADS8344 A/DC chips
dt-bindings: iio: adc: Add bindings for TI ADS8344 A/DC chips
MAINTAINERS: add entry for fxas21002c gyro driver
iio: gyro: fxas21002c: add spi driver
iio: gyro: fxas21002c: add i2c driver
iio: gyro: add core driver for fxas21002c
iio: gyro: add DT bindings to fxas21002c
Kconfig: change configuration of srf04 ultrasonic iio sensor
...
It fixes the following checkpatch.pl warning:
WARNING: Prefer using '"%s...", __func__' to using function's name, in a
string
Signed-off-by: Mohan Kumar <mohankumar718@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support to STMicroelectronics LIS2DE12 accelerometer in
st_accel framework.
http://www.st.com/resource/en/datasheet/lis2de12.pdf
Signed-off-by: Robert Jones <rjones@gateworks.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add the ACPI ID for KXCJ9 sensor seen on the a Teclast X80 Power
tablet.
Signed-off-by: Valentin Manea <linux-iio@mrs.ro>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Adopt the SPDX license identifier headers to ease license compliance
management. Also fix MODULE_LICENSE for cros_ec_accel_legacy to match
the SPDX and boiler plate license.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The cros_ec sensors drivers do not call any sysfs functions
or use any sysfs defines, and thus do not need to include
linux/sysfs.h. Also, some cros_ec drivers include linux/delay.h
and is not used.
Signed-off-by: Guenter Roeck <groeck@chromium.org>
[remove linux/delay.h]
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Formatting of Kconfig files doesn't look so pretty, so just
take damp cloth and clean it up.
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add device tree support for kxcjk-1013 accelerometer sensors.
Signed-off-by: Robert Yang <decatf@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Refactor some code in order to fix both the technical implementation
and the following warnings:
drivers/iio/accel/cros_ec_accel_legacy.c: In function ‘cros_ec_accel_legacy_probe’:
drivers/iio/accel/cros_ec_accel_legacy.c:387:36: warning: this statement may fall through [-Wimplicit-fallthrough=]
ec_accel_channels[X].scan_index = Y;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/iio/accel/cros_ec_accel_legacy.c:388:3: note: here
case Y:
^~~~
drivers/iio/accel/cros_ec_accel_legacy.c:389:36: warning: this statement may fall through [-Wimplicit-fallthrough=]
ec_accel_channels[Y].scan_index = X;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
drivers/iio/accel/cros_ec_accel_legacy.c:390:3: note: here
case Z:
^~~~
Notice that neither the for loop nor the switch statement is needed.
Also, "state->sign[Y] = 1" should be unconditional.
This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The check that variable val is less than zero is redundant since val
is an unsigned int and hence can never be less than zero. Remove it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch allows to read a mount-matrix device tree
property and report to user-space or in-kernel iio
clients.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch allows to read a mount-matrix device tree
property and report to user-space or in-kernel iio
clients.
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Currently mount matrix is allowed in Device Tree, though there is
no technical issue to extend it to support ACPI.
Convert the function to use device_property_read_string_array() and
thus allow to read mount matrix from ACPI if available.
Example of use in _DSD method:
Name (_DSD, Package ()
{
ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
Package ()
{
Package () { "mount-matrix", Package() {
"1", "0", "0",
"0", "0.866", "0.5",
"0", "-0.5", "0.866",
} },
}
})
At the same time drop the "of" prefix from its name and
convert current users.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
In preparation to enabling -Wimplicit-fallthrough, mark switch
cases where we are expecting to fall through.
This patch fixes the following warning:
drivers/iio/accel/mma8452.c: In function ‘mma8452_probe’:
drivers/iio/accel/mma8452.c:1581:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
if (ret == data->chip_info->chip_id)
^
drivers/iio/accel/mma8452.c:1584:2: note: here
default:
^~~~~~~
Warning level 3 was used: -Wimplicit-fallthrough=3
Notice that, in this particular case, the code comment is modified
in accordance with what GCC is expecting to find.
This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
On some laptops, kxcjk1013 is powered off when system enters S3. We need
restore the range regiter during resume. Otherwise, the sensor doesn't
work properly after S3.
Signed-off-by: he, bo <bo.he@intel.com>
Signed-off-by: Chen, Hu <hu1.chen@intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Align broken line to match upper line parenthesis. Solves the
checkpatch.pl's message:
CHECK: Alignment should match open parenthesis
Signed-off-by: Luciana da Costa Marques <lucianadacostamarques@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Platform-specific ST accelerometer mount matrix information can be
provided by returning a package of 6 integers from the ACPI _ONT
method. This has been seen on Acer products such as Veriton Z4860G,
Z6860G and A890, which include a ST SMO8840 sensor. We have also
confirmed experimentally that the Windows driver uses such information.
The _ONT data format was explained by a ST vendor contact. However,
strangely enough, the _ONT transformations must be applied after first
applying another mount matrix which we determined experimentally. ST
have not commented on why this is the case, but we imagine that perhaps
earlier devices (before _ONT was introduced) required this translation
and hence it became 'standard.'
Interpret the _ONT data and export the equivalent mount matrix to
userspace.
If no _ONT data is present, no mount matrix is exported.
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The accelerometer's power supply could be controllable on some
platforms, such as i.MX6Q-SABRESD board, the mma8451's power supplies
are controlled by a GPIO fixed regulator, need to make sure the
regulators are enabled before any communication with mma8451, this
patch adds vdd/vddio regulator operation support.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Acked-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Staging graduation
* ad2s90
- Driver for this resolver to digital chip.
New drivers and device support.
* ad5686
- Add support for ad5310r DAC and associated fix in value read back.
* exynos-adc
- Support for S5PV210 which is slightly different from other parts.
* mcp41010
- Driver supporting MCP41010, MCP41050, MCP41100, MCP42010, MCP42050 and
MCP42100 microchip potentiometers.
New ACPI ids.
* ak8975
- AKM9911 ACPI HID.
* kxcjk-1013
- KXJ2109 ACPI HID.
- KIOX010A ACPI HID.
New features
* ad5933
- Explicit DT binding.
* ad2s90
- Explicit DT binding including dropping spi setup that is done via dt
in favour of verifying the settings form DT.
* adt7316
- Explicit DT binding and support for gpio, irq_flags etc.
* stm32-adc
- Runtime power management.
Minor fixes and cleanups
* core
- Protect against missing info structure.
* ad2s90
- SPDX
- Add documentation fo the mutex.
* ad7280a
- Check allocation failure.
- Fix an accidental replacement of an error return.
* adt7316
- Switch some variables to be local and rename for consistency with other
drivers.
- Revert a false handling of 0 as an error introduced earlier this cycle.
* bmi160
- Use devm functions throughout probe() to avoid need for remove().
* hid-sensor-hub
- White space cleanup.
* hts221
- MAINTAINERS entry.
* lis302
- Use generic name in the DT binding doc.
* Messon-saradc
- Check for allocation error.
- Fix some presented clock names that break clk debugfs.
* qcom-spmi-adc
- A fix for initialization of the prescale property. Came late in the
cycle, so merge window is probably the best route for this.
* st_lsm6dsx
- Allow for variable read length to support wider range of slave devices.
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Merge tag 'iio-for-4.21b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of IIO new device support, features and cleanups for the 4.21 cycle.
Staging graduation
* ad2s90
- Driver for this resolver to digital chip.
New drivers and device support.
* ad5686
- Add support for ad5310r DAC and associated fix in value read back.
* exynos-adc
- Support for S5PV210 which is slightly different from other parts.
* mcp41010
- Driver supporting MCP41010, MCP41050, MCP41100, MCP42010, MCP42050 and
MCP42100 microchip potentiometers.
New ACPI ids.
* ak8975
- AKM9911 ACPI HID.
* kxcjk-1013
- KXJ2109 ACPI HID.
- KIOX010A ACPI HID.
New features
* ad5933
- Explicit DT binding.
* ad2s90
- Explicit DT binding including dropping spi setup that is done via dt
in favour of verifying the settings form DT.
* adt7316
- Explicit DT binding and support for gpio, irq_flags etc.
* stm32-adc
- Runtime power management.
Minor fixes and cleanups
* core
- Protect against missing info structure.
* ad2s90
- SPDX
- Add documentation fo the mutex.
* ad7280a
- Check allocation failure.
- Fix an accidental replacement of an error return.
* adt7316
- Switch some variables to be local and rename for consistency with other
drivers.
- Revert a false handling of 0 as an error introduced earlier this cycle.
* bmi160
- Use devm functions throughout probe() to avoid need for remove().
* hid-sensor-hub
- White space cleanup.
* hts221
- MAINTAINERS entry.
* lis302
- Use generic name in the DT binding doc.
* Messon-saradc
- Check for allocation error.
- Fix some presented clock names that break clk debugfs.
* qcom-spmi-adc
- A fix for initialization of the prescale property. Came late in the
cycle, so merge window is probably the best route for this.
* st_lsm6dsx
- Allow for variable read length to support wider range of slave devices.
* tag 'iio-for-4.21b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (37 commits)
iio: adc: qcom-spmi-adc5: Initialize prescale properly
dt-bindings: iio: adc: exynos-adc: Add S5PV210 variant
iio: adc: Allow selection of Exynos ADC on S5PV210
iio: adc: exynos-adc: Add S5PV210 variant
iio: bmi160: use all devm functions in probe
iio: dac: ad5686: fix bit shift read register
iio:dac:ad5686: Add AD5310R support
Revert "Staging: iio: adt7316: Add an extra check for 'ret' equals to 0"
dt-bindings: iio: accel: use a generic node name for lis302
iio: core: check 'info' value before registering the device
staging: iio: adc: ad7280a: fix overwrite of the returned value
staging: iio: adc: ad7280a: check for devm_kasprint() failure
iio: humidity: hts221: add entry in MAINTAINERS file
iio: magnetometer: ak8975: Add the "AKM9911" ACPI HID
staging:iio:ad2s90: Move out of staging
staging:iio:ad2s90: Add comment to device state mutex
staging:iio:ad2s90: Replace license text w/ SPDX identifier
dt-bindings:iio:resolver: Add docs for ad2s90
staging:iio:ad2s90: Add max frequency check at probe
staging:iio:ad2s90: Remove spi setup that should be done via dt
...
Various 2-in-1's use KIOX010A and KIOX020A as HIDs for 2 KXCJ91008
accelerometers. The KIOX010A HID is for the one in the base and the
KIOX020A for the accelerometer in the keyboard.
Since userspace does not have a way yet to deal with (or ignore) the
accelerometer in the keyboard, this commit just adds the KIOX010A HID
for now so that display rotation will work.
Related: https://github.com/hadess/iio-sensor-proxy/issues/166
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This HID is used on the ASUS MeMO Pad 7 (ME176C) tablet.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit add support for STMicroelectronics lis3de accelerometer.
Datasheet for this device can be found here:
https://www.st.com/resource/en/datasheet/lis3de.pdf
Signed-off-by: Heiko Stuebner <heiko.stuebner@bq.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Before this commit sensor_hub_input_attr_get_raw_value() failed to take
the signedness of 16 and 8 bit values into account, returning e.g.
65436 instead of -100 for the z-axis reading of an accelerometer.
This commit adds a new is_signed parameter to the function and makes all
callers pass the appropriate value for this.
While at it, this commit also fixes up some neighboring lines where
statements were needlessly split over 2 lines to improve readability.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add KIOX0009 ACPI HID, this is used e.g. on the Acer One 10.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The adxl372 is designed to communicate in either SPI or I2C protocol. It
autodetects the format being used, requiring no configuration control to
select the format.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch restructures the existing adxl372 driver by adding a module for
SPI and a header file, while the baseline module deals with the chip-logic.
This is a necessary step, as this driver should support in the future
a similar device which differs only in the type of interface used (I2C
instead of SPI).
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch adds the option for the user to select the filter bandwidth. The
user can also read the available bandwidths which are always adjusted to be
at most half of the sampling frequency. Furthermore, the currently selected
bandwidth can be read via the read_raw function, while the write_raw sets a
new bandwidth value.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch adds the option for the user to select the sampling frequency.
Also, the user can read the available frequencies and read the currently
set frequency via the read_raw function. The frequency can be set via the
write_raw function.
When the frequency is set, the bandwidth is also checked and ensured
that it is constrained to at most half of the sampling frequency. Also, the
activity and inactivity timers have to be updated because they depend on
the selected ODR.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch provides a validate_device callback for the trigger which makes
sure that other devices are rejected.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fixes ef89f4b96a ("iio: adxl345: Add support for the ADXL375").
This was found via static checker.
After looking into the code a bit, it's unlikely that there will be a NULL
dereference if the `id` object in that specific code path.
However, it's safe to add a NULL (paranoid) check just to make sure and
remove any uncertainties.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch adds support for the adxl372 FIFO. In order to accomplish this,
triggered buffers were used.
The number of FIFO samples which trigger the watermark interrupt can be
configured by using the buffer watermark. The FIFO format is determined by
configuring the scan elements for each axis. The FIFO data is pushed to the
IIO device's buffer.
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch adds basic support for Analog Devices ADXL372 SPI-Bus
Three-Axis Digital Accelerometer.
The device is probed and configured the with some initial default
values. With this basic driver, it is possible to read raw acceleration
data.
Datasheet:
http://www.analog.com/media/en/technical-documentation/data-sheets/ADXL372.pdf
Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
There are also a couple of fixes that can wait for the coming merge
window.
Core new features
* Support for phase channels (used in time of flight sensors amongst
other things)
* Support for deep UV light channel modifier.
New Device Support
* AD4758 DAC
- New driver and dt bindings.
* adxl345
- Support the adxl375 +-200g part which is register compatible.
* isl29501 Time of flight sensor.
- New driver
* meson-saradc
- Support the Meson8m2 Socs - right now this is just an ID, but there will
be additional difference in future.
* mpu6050
- New ID for 6515 variant.
* si1133 UV sensor.
- New driver
* Spreadtrum SC27xx PMIC ADC
- New driver and dt bindings.
Features
* adxl345
- Add calibration offset readback and writing.
- Add sampling frequency control.
Fixes and Cleanups
* ad5933
- Use a macro for the channel definition to reduce duplication.
* ad9523
- Replace use of core mlock with a local lock. Part of ongoing efforts
to avoid confusing the purpose of mlock which is only about iio core
state changes.
- Fix displayed phase which was out by a factor of 10.
* adxl345
- Add a link to the datasheet.
- Rework the use of the address field in the chan_spec structures to
allow addition of more per channel information.
* adis imu
- Mark switch fall throughs.
* at91-sama5d2
- Fix some casting on big endian systems.
* bmp280
- Drop some DT elements that aren't used and should mostly be done from
userspace rather than in DT.
* hx711
- add clock-frequency dt binding and resulting delay to deal with capacitance
issue on some boards.
- fix a spurious unit-address in the example.
* ina2xx
- Avoid a possible kthread_stop with a stale task_struct.
* ltc2632
- Remove some unused local variables (assigned but value never used).
* max1363
- Use device_get_match_data to remove some boilerplate.
* mma8452
- Mark switch fall throughs.
* sca3000
- Fix a missing return in a switch statement (a bad fallthrough
previously!)
* sigma-delta-modulator
- Drop incorrect unit address from the DT example.
* st_accel
- Use device_get_match_data to drop some boiler plate.
- Move to probe_new for i2c driver as second parameter not used.
* st_sensors library
- Use a strlcpy (safe in this case).
* st_lsm6dsx
- Add some error logging.
* ti-ads7950
- SPDX
- Allow simultaneous buffered and polled reads. Needed on a Lego Mindstorms
EV3 where some channels are used for power supply monitoring at a very low
rate.
* ti-dac5571
- Remove an unused variable.
* xadc
- Drop some dead code.
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Merge tag 'iio-for-4.19b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of IIO new device support, features and cleanups.
There are also a couple of fixes that can wait for the coming merge
window.
Core new features
* Support for phase channels (used in time of flight sensors amongst
other things)
* Support for deep UV light channel modifier.
New Device Support
* AD4758 DAC
- New driver and dt bindings.
* adxl345
- Support the adxl375 +-200g part which is register compatible.
* isl29501 Time of flight sensor.
- New driver
* meson-saradc
- Support the Meson8m2 Socs - right now this is just an ID, but there will
be additional difference in future.
* mpu6050
- New ID for 6515 variant.
* si1133 UV sensor.
- New driver
* Spreadtrum SC27xx PMIC ADC
- New driver and dt bindings.
Features
* adxl345
- Add calibration offset readback and writing.
- Add sampling frequency control.
Fixes and Cleanups
* ad5933
- Use a macro for the channel definition to reduce duplication.
* ad9523
- Replace use of core mlock with a local lock. Part of ongoing efforts
to avoid confusing the purpose of mlock which is only about iio core
state changes.
- Fix displayed phase which was out by a factor of 10.
* adxl345
- Add a link to the datasheet.
- Rework the use of the address field in the chan_spec structures to
allow addition of more per channel information.
* adis imu
- Mark switch fall throughs.
* at91-sama5d2
- Fix some casting on big endian systems.
* bmp280
- Drop some DT elements that aren't used and should mostly be done from
userspace rather than in DT.
* hx711
- add clock-frequency dt binding and resulting delay to deal with capacitance
issue on some boards.
- fix a spurious unit-address in the example.
* ina2xx
- Avoid a possible kthread_stop with a stale task_struct.
* ltc2632
- Remove some unused local variables (assigned but value never used).
* max1363
- Use device_get_match_data to remove some boilerplate.
* mma8452
- Mark switch fall throughs.
* sca3000
- Fix a missing return in a switch statement (a bad fallthrough
previously!)
* sigma-delta-modulator
- Drop incorrect unit address from the DT example.
* st_accel
- Use device_get_match_data to drop some boiler plate.
- Move to probe_new for i2c driver as second parameter not used.
* st_sensors library
- Use a strlcpy (safe in this case).
* st_lsm6dsx
- Add some error logging.
* ti-ads7950
- SPDX
- Allow simultaneous buffered and polled reads. Needed on a Lego Mindstorms
EV3 where some channels are used for power supply monitoring at a very low
rate.
* ti-dac5571
- Remove an unused variable.
* xadc
- Drop some dead code.
The IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY case is missing a
return and will fall through to the default case and errorenously
return -EINVAL.
Fix this by adding in missing *return ret*.
Fixes: 626f971b5b ("staging:iio:accel:sca3000 Add write support to the low pass filter control")
Reported-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADXL375 is fully register map compatible to the ADXL345 (including the
device ID register returning the same value ...).
The only difference is the resolution of the acceleration sensor. The
ADXL375 can measure up to +-200g of acceleration.
Datasheet:
http://www.analog.com/media/en/technical-documentation/data-sheets/ADXL375.PDF
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADXL345 provides selectable output data rate. This adds the iio
channel information for the sampling frequency with that feature.
Cc: Eva Rachel Retuya <eraretuya@gmail.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Warning level 2 was used in this case: -Wimplicit-fallthrough=2
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
struct i2c_device_id argument of probe() is not used, so use probe_new()
instead.
Signed-off-by: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use device_get_match_data API to simplify access to driver data.
Let acpi_device_id table entries point to the same driver data as
of_device_id table entries and uniquify access to driver data by using
device_get_match_data API. Remove unused i2c_device_id .driver_data
fields.
Signed-off-by: Nikolaus Voss <nikolaus.voss@loewensteinmedical.de>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The ADXL345 provides the offset adjustment registers for each axis.
This adds the iio channel information for the calibraion offsets with
that feature.
Cc: Eva Rachel Retuya <eraretuya@gmail.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Krzysztof Kozlowski