Path: blob/master/Documentation/ABI/testing/sysfs-class-lcd
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What: /sys/class/lcd/<lcd>/lcd_power Date: April 2005 KernelVersion: 2.6.12 Contact: Richard Purdie <[email protected]> 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 <[email protected]> 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 <[email protected]> Description: Maximum contrast for this LCD device.