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hwmon: (asus-ec-sensors) update documentation

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Signed-off-by: Eugene Shalygin <eugene.shalygin@gmail.com>
Link: https://lore.kernel.org/r/20220124015658.687309-3-eugene.shalygin@gmail.com
Tested-by: Oleksandr Natalenko <oleksandr@natalenko.name>
Tested-by: Denis Pauk <pauk.denis@gmail.com>
[groeck: update index.rst, do not drop asus_wmi_ec_sensors.rst]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Eugene Shalygin 2022-01-24 02:56:44 +01:00 committed by Guenter Roeck
parent d0ddfd241e
commit 0314c6ac9e
2 changed files with 53 additions and 0 deletions
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52
Documentation/hwmon/asus_ec_sensors.rst Normal file
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.. SPDX-License-Identifier: GPL-2.0-or-later
Kernel driver asus_ec_sensors
=================================
Supported boards:
* PRIME X570-PRO,
* Pro WS X570-ACE,
* ROG CROSSHAIR VIII DARK HERO,
* ROG CROSSHAIR VIII FORMULA,
* ROG CROSSHAIR VIII HERO,
* ROG CROSSHAIR VIII IMPACT,
* ROG STRIX B550-E GAMING,
* ROG STRIX B550-I GAMING,
* ROG STRIX X570-E GAMING,
* ROG STRIX X570-F GAMING,
* ROG STRIX X570-I GAMING
Authors:
- Eugene Shalygin <eugene.shalygin@gmail.com>
Description:
------------
ASUS mainboards publish hardware monitoring information via Super I/O
chip and the ACPI embedded controller (EC) registers. Some of the sensors
are only available via the EC.
The driver is aware of and reads the following sensors:
1. Chipset (PCH) temperature
2. CPU package temperature
3. Motherboard temperature
4. Readings from the T_Sensor header
5. VRM temperature
6. CPU_Opt fan RPM
7. VRM heatsink fan RPM
8. Chipset fan RPM
9. Readings from the "Water flow meter" header (RPM)
10. Readings from the "Water In" and "Water Out" temperature headers
11. CPU current
Sensor values are read from EC registers, and to avoid race with the board
firmware the driver acquires ACPI mutex, the one used by the WMI when its
methods access the EC.
Module Parameters
-----------------
* mutex_path: string
The driver holds path to the ACPI mutex for each board (actually,
the path is mostly identical for them). If ASUS changes this path
in a future BIOS update, this parameter can be used to override
the stored in the driver value until it gets updated.

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Documentation/hwmon/index.rst
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@ -43,6 +43,7 @@ Hardware Monitoring Kernel Drivers
asb100
asc7621
aspeed-pwm-tacho
asus_ec_sensors
asus_wmi_ec_sensors
asus_wmi_sensors
bcm54140