video/lcd: document sysfs interface (243ca3e4) · Commits · 戴 / test

Date and KernelVersion may be wrong because the lcd interface was introduced before git initial import. Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by:

Corentin Chary <corentincj@iksaif.net> Signed-off-by:

Len Brown <len.brown@intel.com>

Documentation/ABI/testing/sysfs-class-lcd

0 → 100644

+23 −0

Original line number	Diff line number	Diff line
		What: /sys/class/lcd/<lcd>/lcd_power
		Date: April 2005
		KernelVersion: 2.6.12
		Contact: Richard Purdie <rpurdie@rpsys.net>
		Description:
		Control LCD power, values are FB_BLANK_* from fb.h
		- FB_BLANK_UNBLANK (0) : power on.
		- FB_BLANK_POWERDOWN (4) : power off

		What: /sys/class/lcd/<lcd>/contrast
		Date: April 2005
		KernelVersion: 2.6.12
		Contact: Richard Purdie <rpurdie@rpsys.net>
		Description:
		Current contrast of this LCD device. Value is between 0 and
		/sys/class/lcd/<lcd>/max_contrast.

		What: /sys/class/lcd/<lcd>/max_contrast
		Date: April 2005
		KernelVersion: 2.6.12
		Contact: Richard Purdie <rpurdie@rpsys.net>
		Description:
		Maximum contrast for this LCD device.

Admin message