1*3c4c1b69SCorentin CharyWhat: /sys/class/backlight/<backlight>/bl_power 2*3c4c1b69SCorentin CharyDate: April 2005 3*3c4c1b69SCorentin CharyKernelVersion: 2.6.12 4*3c4c1b69SCorentin CharyContact: Richard Purdie <rpurdie@rpsys.net> 5*3c4c1b69SCorentin CharyDescription: 6*3c4c1b69SCorentin Chary Control BACKLIGHT power, values are FB_BLANK_* from fb.h 7*3c4c1b69SCorentin Chary - FB_BLANK_UNBLANK (0) : power on. 8*3c4c1b69SCorentin Chary - FB_BLANK_POWERDOWN (4) : power off 9*3c4c1b69SCorentin CharyUsers: HAL 10*3c4c1b69SCorentin Chary 11*3c4c1b69SCorentin CharyWhat: /sys/class/backlight/<backlight>/brightness 12*3c4c1b69SCorentin CharyDate: April 2005 13*3c4c1b69SCorentin CharyKernelVersion: 2.6.12 14*3c4c1b69SCorentin CharyContact: Richard Purdie <rpurdie@rpsys.net> 15*3c4c1b69SCorentin CharyDescription: 16*3c4c1b69SCorentin Chary Control the brightness for this <backlight>. Values 17*3c4c1b69SCorentin Chary are between 0 and max_brightness. This file will also 18*3c4c1b69SCorentin Chary show the brightness level stored in the driver, which 19*3c4c1b69SCorentin Chary may not be the actual brightness (see actual_brightness). 20*3c4c1b69SCorentin CharyUsers: HAL 21*3c4c1b69SCorentin Chary 22*3c4c1b69SCorentin CharyWhat: /sys/class/backlight/<backlight>/actual_brightness 23*3c4c1b69SCorentin CharyDate: March 2006 24*3c4c1b69SCorentin CharyKernelVersion: 2.6.17 25*3c4c1b69SCorentin CharyContact: Richard Purdie <rpurdie@rpsys.net> 26*3c4c1b69SCorentin CharyDescription: 27*3c4c1b69SCorentin Chary Show the actual brightness by querying the hardware. 28*3c4c1b69SCorentin CharyUsers: HAL 29*3c4c1b69SCorentin Chary 30*3c4c1b69SCorentin CharyWhat: /sys/class/backlight/<backlight>/max_brightness 31*3c4c1b69SCorentin CharyDate: April 2005 32*3c4c1b69SCorentin CharyKernelVersion: 2.6.12 33*3c4c1b69SCorentin CharyContact: Richard Purdie <rpurdie@rpsys.net> 34*3c4c1b69SCorentin CharyDescription: 35*3c4c1b69SCorentin Chary Maximum brightness for <backlight>. 36*3c4c1b69SCorentin CharyUsers: HAL 37