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linux-yocto/Documentation/ABI/testing/sysfs-class-lcd
Corentin Chary 243ca3e401 video/lcd: document sysfs interface 
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>
2009-08-28 15:21:12 -04:00

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What: /sys/class/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//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//max_contrast.

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