| What: /sys/class/backlight/<backlight>/bl_power | |
| Date: April 2005 | |
| KernelVersion: 2.6.12 | |
| Contact: Richard Purdie <rpurdie@rpsys.net> | |
| Description: | |
| Control BACKLIGHT power, values are FB_BLANK_* from fb.h | |
| - FB_BLANK_UNBLANK (0) : power on. | |
| - FB_BLANK_POWERDOWN (4) : power off | |
| Users: HAL | |
| What: /sys/class/backlight/<backlight>/brightness | |
| Date: April 2005 | |
| KernelVersion: 2.6.12 | |
| Contact: Richard Purdie <rpurdie@rpsys.net> | |
| Description: | |
| Control the brightness for this <backlight>. Values | |
| are between 0 and max_brightness. This file will also | |
| show the brightness level stored in the driver, which | |
| may not be the actual brightness (see actual_brightness). | |
| Users: HAL | |
| What: /sys/class/backlight/<backlight>/actual_brightness | |
| Date: March 2006 | |
| KernelVersion: 2.6.17 | |
| Contact: Richard Purdie <rpurdie@rpsys.net> | |
| Description: | |
| Show the actual brightness by querying the hardware. | |
| Users: HAL | |
| What: /sys/class/backlight/<backlight>/max_brightness | |
| Date: April 2005 | |
| KernelVersion: 2.6.12 | |
| Contact: Richard Purdie <rpurdie@rpsys.net> | |
| Description: | |
| Maximum brightness for <backlight>. | |
| Users: HAL |