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23902f98f8
Hewlett-Packard (and some HP Compaq) business-class computers report hardware monitoring information via WMI. This driver exposes that information to hwmon. Initial support is provided for temperature, fan speed, and intrusion sensor types. Provisional support is provided for voltage and current sensor types. HP's WMI implementation permits many other types of numeric sensors. Therefore, a debugfs interface is also provided to enumerate and inspect all numeric sensors visible on the WMI side. This should facilitate adding support for other sensor types in the future. Tested on a HP Z420, a HP EliteOne 800 G1, and a HP Compaq Elite 8300 SFF. Note that provisionally supported sensor types are untested and seem to be rare-to-nonexistent in the wild, having been encountered neither on test systems nor in ACPI dumps from the Linux Hardware Database. They are included because their popularity in general makes their presence on past or future HP systems plausible and because no doubt exists as to how the sensors themselves would be represented in WMI (alarm attributes will need to wait for hardware to be located). A 2005 HP whitepaper gives the relevant sensor object MOF definition and sensor value scaling calculation, and both this driver and the official HP Performance Advisor utility comply with them (confirmed in the latter case by reverse engineering). Link: https://h20331.www2.hp.com/hpsub/downloads/cmi_whitepaper.pdf Signed-off-by: James Seo <james@equiv.tech> Link: https://lore.kernel.org/r/20230522115645.509701-1-james@equiv.tech [groeck: Set error return value for intrusion writes to -EINVAL. Always accept writes of 0 even if there was no intrusion. ] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
248 lines
2.9 KiB
ReStructuredText
248 lines
2.9 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
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===================
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Hardware Monitoring
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===================
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.. toctree::
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:maxdepth: 1
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hwmon-kernel-api
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pmbus-core
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submitting-patches
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sysfs-interface
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userspace-tools
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Hardware Monitoring Kernel Drivers
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==================================
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.. toctree::
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:maxdepth: 1
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abituguru
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abituguru3
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acbel-fsg032
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acpi_power_meter
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ad7314
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adc128d818
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adm1021
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adm1025
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adm1026
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adm1031
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adm1177
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adm1266
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adm1275
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adm9240
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ads7828
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adt7410
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adt7411
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adt7462
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adt7470
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adt7475
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aht10
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amc6821
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aquacomputer_d5next
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asb100
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asc7621
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aspeed-pwm-tacho
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asus_ec_sensors
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asus_wmi_sensors
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bcm54140
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bel-pfe
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bpa-rs600
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bt1-pvt
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coretemp
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corsair-cpro
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corsair-psu
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da9052
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da9055
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dell-smm-hwmon
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dme1737
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dps920ab
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drivetemp
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ds1621
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ds620
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emc1403
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emc2103
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emc2305
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emc6w201
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f71805f
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f71882fg
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fam15h_power
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fsp-3y
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ftsteutates
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g760a
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g762
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gsc-hwmon
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gl518sm
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gxp-fan-ctrl
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hih6130
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hp-wmi-sensors
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ibmaem
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ibm-cffps
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ibmpowernv
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ina209
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ina2xx
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ina238
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ina3221
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inspur-ipsps1
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intel-m10-bmc-hwmon
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ir35221
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ir38064
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ir36021
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isl68137
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it87
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jc42
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k10temp
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k8temp
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lan966x
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lineage-pem
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lm25066
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lm63
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lm70
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lm73
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lm75
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lm77
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lm78
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lm80
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lm83
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lm85
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lm87
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lm90
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lm92
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lm93
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lm95234
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lm95245
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lochnagar
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lt7182s
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ltc2992
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ltc2945
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ltc2947
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ltc2978
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ltc2990
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ltc3815
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ltc4151
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ltc4215
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ltc4245
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ltc4260
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ltc4261
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max127
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max15301
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max16064
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max16065
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max1619
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max16601
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max1668
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max197
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max20730
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max20751
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max31722
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max31730
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max31760
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max31785
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max31790
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max31827
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max34440
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max6620
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max6639
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max6642
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max6650
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max6697
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max8688
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mc13783-adc
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mc34vr500
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mcp3021
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menf21bmc
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mlxreg-fan
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mp2888
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mp2975
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mp5023
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nct6683
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nct6775
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nct7802
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nct7904
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npcm750-pwm-fan
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nsa320
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ntc_thermistor
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nzxt-kraken2
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nzxt-smart2
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occ
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oxp-sensors
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pc87360
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pc87427
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pcf8591
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pim4328
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pli1209bc
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pm6764tr
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peci-cputemp
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peci-dimmtemp
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pmbus
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powr1220
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pxe1610
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pwm-fan
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q54sj108a2
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raspberrypi-hwmon
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sbrmi
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sbtsi_temp
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sch5627
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sch5636
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scpi-hwmon
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sfctemp
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sht15
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sht21
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sht3x
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sht4x
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shtc1
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sis5595
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sl28cpld
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smm665
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smpro-hwmon
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smsc47b397
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smsc47m192
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smsc47m1
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sparx5-temp
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stpddc60
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sy7636a-hwmon
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tc654
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tc74
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thmc50
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tmp102
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tmp103
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tmp108
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tmp401
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tmp421
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tmp464
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tmp513
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tps23861
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tps40422
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tps53679
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tps546d24
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twl4030-madc-hwmon
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ucd9000
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ucd9200
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vexpress
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via686a
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vt1211
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w83627ehf
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w83627hf
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w83773g
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w83781d
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w83791d
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w83792d
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w83793
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w83795
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w83l785ts
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w83l786ng
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wm831x
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wm8350
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xgene-hwmon
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xdpe12284
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xdpe152c4
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zl6100
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.. only:: subproject and html
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Indices
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=======
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* :ref:`genindex`
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