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linux-stable/drivers/iio
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Andreas Klinger dee2dabc0e iio: bmp280: fix compensation of humidity 
Limit the output of humidity compensation to the range between 0 and 100
percent.

Depending on the calibration parameters of the individual sensor it
happens, that a humidity above 100 percent or below 0 percent is
calculated, which don't make sense in terms of relative humidity.

Add a clamp to the compensation formula as described in the datasheet of
the sensor in chapter 4.2.3.

Although this clamp is documented, it was never in the driver of the
kernel.

It depends on the circumstances (calibration parameters, temperature,
humidity) if one can see a value above 100 percent without the clamp.
The writer of this patch was working with this type of sensor without
noting this error. So it seems to be a rare event when this bug occures.

Signed-off-by: Andreas Klinger <ak@it-klinger.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-05-11 20:19:19 +01:00
..
accel iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger 2020-05-10 09:35:53 +01:00
adc iio: adc: ad7476: remove redundant null check on an array 2020-05-03 09:47:21 +01:00
afe treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
amplifiers iio: amplifiers: ad8366: add support for HMC1119 Attenuator 2020-03-08 17:28:43 +00:00
buffer iio: buffer: drop devm_iio_kfifo_free() API call 2020-04-19 16:56:38 +01:00
chemical iio: chemical: Add OF match table for CCS811 VOC sensor 2020-05-03 09:47:18 +01:00
common iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger 2020-05-10 09:35:53 +01:00
dac iio: DAC extension for ltc2634-12/10/8 2020-05-03 09:47:23 +01:00
dummy spi: docs: convert to ReST and add it to the kABI bookset 2019-07-31 14:13:13 -06:00
frequency iio: adf4350: Convert to use GPIO descriptor 2019-12-15 11:42:16 +00:00
gyro iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger 2020-05-10 09:35:53 +01:00
health iio: health: afe4403: Use get_unaligned_be24() 2020-05-03 09:47:19 +01:00
humidity iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger 2020-05-10 09:35:53 +01:00
imu iio: imu: adis16xxx: use helper to access iio core debugfs dir 2020-05-03 14:47:56 +01:00
light iio: light: cm32181: Fix integartion time typo 2020-05-11 20:19:19 +01:00
magnetometer iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger 2020-05-10 09:35:53 +01:00
multiplexer treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
orientation iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger 2020-05-10 09:35:53 +01:00
position iio: position: Add support for Azoteq IQS624/625 angle sensors 2020-03-27 08:25:59 +00:00
potentiometer iio: potentiometer: add a driver for Maxim 5432-5435 2019-08-05 14:25:08 +01:00
potentiostat iio: potentiostat: lmp9100: fix iio_triggered_buffer_{predisable,postenable} positions 2020-03-08 17:28:53 +00:00
pressure iio: bmp280: fix compensation of humidity 2020-05-11 20:19:19 +01:00
proximity First set of new IIO device support, features and cleanup for the 5.8 cycle 2020-04-23 11:06:48 +02:00
resolver iio: ad2s1200: Drop legacy include 2019-12-15 11:42:15 +00:00
temperature iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger 2020-05-10 09:35:53 +01:00
trigger First set of new IIO device support, features and cleanup for the 5.8 cycle 2020-04-23 11:06:48 +02:00
iio_core.h iio: buffer: rename 'read_first_n' callback to 'read' 2019-12-29 15:20:09 +00:00
iio_core_trigger.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-buffer.c iio: buffer: extend short-hand use for 'indio_dev->buffer' 2020-05-03 09:47:21 +01:00
industrialio-configfs.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-core.c iio: Use an early return in iio_device_alloc to simplify code. 2020-05-03 09:47:18 +01:00
industrialio-event.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-sw-device.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-sw-trigger.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
industrialio-trigger.c iio: core: drop devm_iio_trigger_free() API call 2020-04-19 16:56:37 +01:00
industrialio-triggered-event.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
inkern.c iio: inkern: drop devm_iio_channel_release{_all} API calls 2020-04-19 16:56:37 +01:00
Kconfig iio: position: Add support for Azoteq IQS624/625 angle sensors 2020-03-27 08:25:59 +00:00
Makefile iio: position: Add support for Azoteq IQS624/625 angle sensors 2020-03-27 08:25:59 +00:00
TODO iio: add a TODO 2020-03-08 17:28:53 +00:00