linux/Documentation/ABI/testing/sysfs-platform-asus-wmi
Luke D. Jones a94e8a56f9 platform/x86: asus-wmi: Add support for MCU powersave
Add support for an MCU powersave WMI call. This is intended to set the
MCU in to a low-power mode when sleeping. This mode can cut sleep power
use by around half.

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20240404001652.86207-9-luke@ljones.dev
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2024-04-08 18:30:27 +02:00

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What: /sys/devices/platform/<platform>/cpufv
Date: Oct 2010
KernelVersion: 2.6.37
Contact: "Corentin Chary" <corentincj@iksaif.net>
Description:
Change CPU clock configuration (write-only).
There are three available clock configuration:
* 0 -> Super Performance Mode
* 1 -> High Performance Mode
* 2 -> Power Saving Mode
What: /sys/devices/platform/<platform>/camera
Date: Jan 2010
KernelVersion: 2.6.39
Contact: "Corentin Chary" <corentincj@iksaif.net>
Description:
Control the camera. 1 means on, 0 means off.
What: /sys/devices/platform/<platform>/cardr
Date: Jan 2010
KernelVersion: 2.6.39
Contact: "Corentin Chary" <corentincj@iksaif.net>
Description:
Control the card reader. 1 means on, 0 means off.
What: /sys/devices/platform/<platform>/touchpad
Date: Jan 2010
KernelVersion: 2.6.39
Contact: "Corentin Chary" <corentincj@iksaif.net>
Description:
Control the card touchpad. 1 means on, 0 means off.
What: /sys/devices/platform/<platform>/lid_resume
Date: May 2012
KernelVersion: 3.5
Contact: "AceLan Kao" <acelan.kao@canonical.com>
Description:
Resume on lid open. 1 means on, 0 means off.
What: /sys/devices/platform/<platform>/fan_boost_mode
Date: Sep 2019
KernelVersion: 5.3
Contact: "Yurii Pavlovskyi" <yurii.pavlovskyi@gmail.com>
Description:
Fan boost mode:
* 0 - normal,
* 1 - overboost,
* 2 - silent
What: /sys/devices/platform/<platform>/throttle_thermal_policy
Date: Dec 2019
KernelVersion: 5.6
Contact: "Leonid Maksymchuk" <leonmaxx@gmail.com>
Description:
Throttle thermal policy mode:
* 0 - default,
* 1 - overboost,
* 2 - silent
What: /sys/devices/platform/<platform>/gpu_mux_mode
Date: Aug 2022
KernelVersion: 6.1
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Switch the GPU hardware MUX mode. Laptops with this feature can
can be toggled to boot with only the dGPU (discrete mode) or in
standard Optimus/Hybrid mode. On switch a reboot is required:
* 0 - Discrete GPU,
* 1 - Optimus/Hybrid,
What: /sys/devices/platform/<platform>/dgpu_disable
Date: Aug 2022
KernelVersion: 5.17
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Disable discrete GPU:
* 0 - Enable dGPU,
* 1 - Disable dGPU
What: /sys/devices/platform/<platform>/egpu_enable
Date: Aug 2022
KernelVersion: 5.17
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Enable the external GPU paired with ROG X-Flow laptops.
Toggling this setting will also trigger ACPI to disable the dGPU:
* 0 - Disable,
* 1 - Enable
What: /sys/devices/platform/<platform>/panel_od
Date: Aug 2022
KernelVersion: 5.17
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Enable an LCD response-time boost to reduce or remove ghosting:
* 0 - Disable,
* 1 - Enable
What: /sys/devices/platform/<platform>/charge_mode
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Get the current charging mode being used:
* 1 - Barrel connected charger,
* 2 - USB-C charging
* 3 - Both connected, barrel used for charging
What: /sys/devices/platform/<platform>/egpu_connected
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Show if the egpu (XG Mobile) is correctly connected:
* 0 - False,
* 1 - True
What: /sys/devices/platform/<platform>/mini_led_mode
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Change the mini-LED mode:
* 0 - Single-zone,
* 1 - Multi-zone
* 2 - Multi-zone strong (available on newer generation mini-led)
What: /sys/devices/platform/<platform>/available_mini_led_mode
Date: Apr 2024
KernelVersion: 6.10
Contact: "Luke Jones" <luke@ljones.dev>
Description:
List the available mini-led modes.
What: /sys/devices/platform/<platform>/ppt_pl1_spl
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Set the Package Power Target total of CPU: PL1 on Intel, SPL on AMD.
Shown on Intel+Nvidia or AMD+Nvidia based systems:
* min=5, max=250
What: /sys/devices/platform/<platform>/ppt_pl2_sppt
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Set the Slow Package Power Tracking Limit of CPU: PL2 on Intel, SPPT,
on AMD. Shown on Intel+Nvidia or AMD+Nvidia based systems:
* min=5, max=250
What: /sys/devices/platform/<platform>/ppt_fppt
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Set the Fast Package Power Tracking Limit of CPU. AMD+Nvidia only:
* min=5, max=250
What: /sys/devices/platform/<platform>/ppt_apu_sppt
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Set the APU SPPT limit. Shown on full AMD systems only:
* min=5, max=130
What: /sys/devices/platform/<platform>/ppt_platform_sppt
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Set the platform SPPT limit. Shown on full AMD systems only:
* min=5, max=130
What: /sys/devices/platform/<platform>/nv_dynamic_boost
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Set the dynamic boost limit of the Nvidia dGPU:
* min=5, max=25
What: /sys/devices/platform/<platform>/nv_temp_target
Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Set the target temperature limit of the Nvidia dGPU:
* min=75, max=87
What: /sys/devices/platform/<platform>/boot_sound
Date: Apr 2024
KernelVersion: 6.10
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Set if the BIOS POST sound is played on boot.
* 0 - False,
* 1 - True
What: /sys/devices/platform/<platform>/mcu_powersave
Date: Apr 2024
KernelVersion: 6.10
Contact: "Luke Jones" <luke@ljones.dev>
Description:
Set if the MCU can go in to low-power mode on system sleep
* 0 - False,
* 1 - True