1What: /sys/class/backlight/<backlight>/als_channel 2Date: May 2012 3KernelVersion: 3.5 4Contact: Johan Hovold <jhovold@gmail.com> 5Description: 6 Get the ALS output channel used as input in 7 ALS-current-control mode (0, 1), where 8 9 0 - out_current0 (backlight 0) 10 1 - out_current1 (backlight 1) 11 12What: /sys/class/backlight/<backlight>/als_en 13Date: May 2012 14KernelVersion: 3.5 15Contact: Johan Hovold <jhovold@gmail.com> 16Description: 17 Enable ALS-current-control mode (0, 1). 18 19What: /sys/class/backlight/<backlight>/id 20Date: April 2012 21KernelVersion: 3.5 22Contact: Johan Hovold <jhovold@gmail.com> 23Description: 24 Get the id of this backlight (0, 1). 25 26What: /sys/class/backlight/<backlight>/linear 27Date: April 2012 28KernelVersion: 3.5 29Contact: Johan Hovold <jhovold@gmail.com> 30Description: 31 Set the brightness-mapping mode (0, 1), where 32 33 0 - exponential mode 34 1 - linear mode 35 36What: /sys/class/backlight/<backlight>/pwm 37Date: April 2012 38KernelVersion: 3.5 39Contact: Johan Hovold <jhovold@gmail.com> 40Description: 41 Set the PWM-input control mask (5 bits), where 42 43 bit 5 - PWM-input enabled in Zone 4 44 bit 4 - PWM-input enabled in Zone 3 45 bit 3 - PWM-input enabled in Zone 2 46 bit 2 - PWM-input enabled in Zone 1 47 bit 1 - PWM-input enabled in Zone 0 48 bit 0 - PWM-input enabled 49