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1What: /sys/class/lcd/<lcd>/lcd_power2Date: April 20053KernelVersion: 2.6.124Contact: Richard Purdie <rpurdie@rpsys.net>5Description:6 Control LCD power, values are FB_BLANK_* from fb.h7 - FB_BLANK_UNBLANK (0) : power on.8 - FB_BLANK_POWERDOWN (4) : power off9 10What: /sys/class/lcd/<lcd>/contrast11Date: April 200512KernelVersion: 2.6.1213Contact: Richard Purdie <rpurdie@rpsys.net>14Description:15 Current contrast of this LCD device. Value is between 0 and16 /sys/class/lcd/<lcd>/max_contrast.17 18What: /sys/class/lcd/<lcd>/max_contrast19Date: April 200520KernelVersion: 2.6.1221Contact: Richard Purdie <rpurdie@rpsys.net>22Description:23 Maximum contrast for this LCD device.24