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Guenter Roeck 196df56c3d hwmon: (lm90) Add basic support for TI TMP461 
[ Upstream commit f8344f7693 ]

TMP461 is almost identical to TMP451 and was actually detected as TMP451
with the existing lm90 driver if its I2C address is 0x4c. Add support
for it to the lm90 driver. At the same time, improve the chip detection
function to at least try to distinguish between TMP451 and TMP461.

As a side effect, this fixes commit 24333ac26d ("hwmon: (tmp401) use
smb word operations instead of 2 smb byte operations"). TMP461 does not
support word operations on temperature registers, which causes bad
temperature readings with the tmp401 driver. The lm90 driver does not
perform word operations on temperature registers and thus does not have
this problem.

Support is listed as basic because TMP461 supports a sensor resolution
of 0.0625 degrees C, while the lm90 driver assumes a resolution of 0.125
degrees C. Also, the TMP461 supports negative temperatures with its
default temperature range, which is not the case for similar chips
supported by the lm90 and the tmp401 drivers. Those limitations will be
addressed with follow-up patches.

Fixes: 24333ac26d ("hwmon: (tmp401) use smb word operations instead of 2 smb byte operations")
Reported-by: David T. Wilson <david.wilson@nasa.gov>
Cc: David T. Wilson <david.wilson@nasa.gov>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2021-12-29 12:25:59 +01:00
..
ab8500.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
abituguru-datasheet.rst Documentation: fix typo for abituguru documentation 2020-08-24 17:19:07 -06:00
abituguru.rst Documentation: fix typo for abituguru documentation 2020-08-24 17:19:07 -06:00
abituguru3.rst Documentation: fix typo for abituguru documentation 2020-08-24 17:19:07 -06:00
abx500.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
acpi_power_meter.rst ACPI: Use valid link to the ACPI specification 2020-07-27 14:11:22 +02:00
ad7314.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
adc128d818.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
adm1021.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
adm1025.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
adm1026.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
adm1031.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
adm1177.rst docs: adm1177: fix a broken reference 2020-02-23 20:00:29 -08:00
adm1266.rst docs: hwmon: adm1266.rst: fix a broken reference 2020-10-28 11:26:10 -06:00
adm1275.rst docs: hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
adm9240.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ads7828.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
adt7410.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
adt7411.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
adt7462.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
adt7470.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
adt7475.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
amc6821.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
amd_energy.rst hwmon: (amd_energy) Update driver documentation 2020-10-04 08:40:10 -07:00
asb100.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
asc7621.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
aspeed-pwm-tacho.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
bcm54140.rst net: phy: bcm54140: add hwmon support 2020-04-22 12:14:18 -07:00
bel-pfe.rst docs: hwmon: Document bel-pfe pmbus driver 2019-11-06 14:37:19 -08:00
bt1-pvt.rst hwmon: Add Baikal-T1 PVT sensor driver 2020-05-28 07:59:45 -07:00
coretemp.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
corsair-cpro.rst hwmon: (corsair-cpro) add reading pwm values 2020-07-24 07:44:57 -07:00
da9052.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
da9055.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
dell-smm-hwmon.rst dell-smm-hwmon: Add documentation 2019-11-22 20:47:43 -08:00
dme1737.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
drivetemp.rst hwmon: (drivetemp) Add usage not describing impact on drive spin-down 2020-09-23 09:42:39 -07:00
ds620.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ds1621.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
emc6w201.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
emc1403.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
emc2103.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
f71805f.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
f71882fg.rst Documentation: hwmon/f71882fg: drop duplicate words 2020-07-24 07:44:57 -07:00
fam15h_power.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ftsteutates.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
g760a.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
g762.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
gl518sm.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
gsc-hwmon.rst hwmon: Add Gateworks System Controller support 2020-05-20 10:29:17 +01:00
hih6130.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
hwmon-kernel-api.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ibm-cffps.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
ibmaem.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ibmpowernv.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ina2xx.rst hwmon: (ina2xx) Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
ina209.rst hwmon: (ina209) Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
ina3221.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
index.rst docs: hwmon: mp2975.rst: address some html build warnings 2020-10-28 11:26:10 -06:00
inspur-ipsps1.rst Linux 5.4-rc4 2019-10-29 04:43:29 -06:00
intel-m10-bmc-hwmon.rst hwmon: Add hwmon driver for Intel MAX 10 BMC 2020-10-04 08:40:10 -07:00
ir35221.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ir38064.rst docs: hwmon: convert three docs to ReST format 2019-04-22 15:27:27 -07:00
isl68137.rst hwmon: (pmbus/isl68137) Fix up chip IDs 2020-04-12 15:12:51 -07:00
it87.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
jc42.rst hwmon: (jc42) Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
k8temp.rst hwmon: (k8temp) Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
k10temp.rst hwmon: (k10temp) Update driver documentation 2020-03-08 20:35:46 -07:00
lineage-pem.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
lm63.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
lm70.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
lm73.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
lm75.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
lm77.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
lm78.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
lm80.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
lm83.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
lm85.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
lm87.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
lm90.rst hwmon: (lm90) Add basic support for TI TMP461 2021-12-29 12:25:59 +01:00
lm92.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
lm93.rst Documentation: hwmon/lm93: drop duplicate words 2020-07-24 07:44:57 -07:00
lm25066.rst docs: hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
lm95234.rst hwmon: (lm95234) Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
lm95245.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
lochnagar.rst docs: hwmon: convert three docs to ReST format 2019-04-22 15:27:27 -07:00
ltc2945.rst docs: hwmon: (ltc2945) update datasheet link 2020-10-05 09:16:33 -07:00
ltc2947.rst hwmon: Add support for ltc2947 2019-11-06 14:37:19 -08:00
ltc2978.rst docs: hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
ltc2990.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ltc3815.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ltc4151.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ltc4215.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ltc4245.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ltc4260.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ltc4261.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
max197.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
max1619.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
max1668.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
max6639.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
max6642.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
max6650.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
max6697.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
max8688.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
max16064.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
max16065.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
max16601.rst hwmon: (pmbus) Driver for Maxim MAX16601 2020-05-22 06:28:38 -07:00
max20730.rst hwmon: (pmbus/max20730) Add max20710 support 2020-07-24 07:44:18 -07:00
max20751.rst docs: hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
max31722.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
max31730.rst hwmon: Driver for MAX31730 2020-01-23 13:15:09 -08:00
max31785.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
max31790.rst hwmon: (max31790) Fix pwmX_enable attributes 2021-07-14 16:55:55 +02:00
max34440.rst docs: hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
mc13783-adc.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
mcp3021.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
menf21bmc.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
mlxreg-fan.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
mp2975.rst docs: hwmon: mp2975.rst: address some html build warnings 2020-10-28 11:26:10 -06:00
nct6683.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
nct6775.rst Documentation: hwmon/nct7665: drop duplicate words 2020-07-24 07:44:57 -07:00
nct7802.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
nct7904.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
npcm750-pwm-fan.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
nsa320.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ntc_thermistor.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
occ.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
pc87360.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
pc87427.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
pcf8591.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
pmbus-core.rst hwmon (pmbus) use simple i2c probe function 2020-09-23 09:42:39 -07:00
pmbus.rst hwmon (pmbus) use simple i2c probe function 2020-09-23 09:42:39 -07:00
powr1220.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
pwm-fan.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
pxe1610.rst docs: hwmon: pxe1610: convert to ReST format and add to the index 2019-09-03 12:47:17 -07:00
raspberrypi-hwmon.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
sch5627.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
sch5636.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
scpi-hwmon.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
sht3x.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
sht15.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
sht21.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
shtc1.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
sis5595.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
sl28cpld.rst hwmon: Add support for the sl28cpld hardware monitoring controller 2020-09-17 16:02:42 +01:00
smm665.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
smsc47b397.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
smsc47m1.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
smsc47m192.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
sparx5-temp.rst hwmon: sparx5: Add Sparx5 SoC temperature driver 2020-07-24 07:44:57 -07:00
submitting-patches.rst hwmon: submitting-patches: Add note on comment style 2019-09-13 05:43:06 -07:00
sysfs-interface.rst docs: hwmon: Add attributes to report rated values 2020-09-23 09:42:39 -07:00
tc74.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
tc654.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
thmc50.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
tmp102.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
tmp103.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
tmp108.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
tmp401.rst hwmon: (tmp401) Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
tmp421.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
tmp513.rst hwmon: (tmmp513) Replace HTTP links with HTTPS links 2020-07-24 07:44:57 -07:00
tps40422.rst docs: hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
tps53679.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
twl4030-madc-hwmon.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
ucd9000.rst hwmon: (pmbus/ucd9000) Add support for UCD90320 Power Sequencer 2020-01-23 13:15:09 -08:00
ucd9200.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
userspace-tools.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
vexpress.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
via686a.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00
vt1211.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
w83l785ts.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
w83l786ng.rst Documentation: hwmon/w83l786ng: drop duplicate words 2020-07-24 07:44:57 -07:00
w83627ehf.rst Documentation: hwmon/w83627ehf: drop duplicate words 2020-07-24 07:44:57 -07:00
w83627hf.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
w83773g.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
w83781d.rst hwmon: Replace HTTP links with HTTPS ones 2020-07-24 07:44:57 -07:00
w83791d.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
w83792d.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
w83793.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
w83795.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
wm831x.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
wm8350.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
xdpe12284.rst Documentation/hwmon: fix xdpe12284 Sphinx warnings 2020-02-17 14:20:55 -08:00
xgene-hwmon.rst docs: hwmon: Add an index file and rename docs to *.rst 2019-04-17 10:37:23 -07:00
zl6100.rst docs: i2c: convert to ReST and add to driver-api bookset 2019-07-31 13:25:27 -06:00