Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Loading...
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