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kernel/linux-imx6_3.14.28/Documentation/ABI/testing/sysfs-class-backlight-driver-lm3533 1.26 KB
6b13f685e   김민수   BSP 최초 추가
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  What:		/sys/class/backlight/<backlight>/als_channel
  Date:		May 2012
  KernelVersion:	3.5
  Contact:	Johan Hovold <jhovold@gmail.com>
  Description:
  		Get the ALS output channel used as input in
  		ALS-current-control mode (0, 1), where
  
  		0 - out_current0 (backlight 0)
  		1 - out_current1 (backlight 1)
  
  What:		/sys/class/backlight/<backlight>/als_en
  Date:		May 2012
  KernelVersion:	3.5
  Contact:	Johan Hovold <jhovold@gmail.com>
  Description:
  		Enable ALS-current-control mode (0, 1).
  
  What:		/sys/class/backlight/<backlight>/id
  Date:		April 2012
  KernelVersion:	3.5
  Contact:	Johan Hovold <jhovold@gmail.com>
  Description:
  		Get the id of this backlight (0, 1).
  
  What:		/sys/class/backlight/<backlight>/linear
  Date:		April 2012
  KernelVersion:	3.5
  Contact:	Johan Hovold <jhovold@gmail.com>
  Description:
  		Set the brightness-mapping mode (0, 1), where
  
  		0 - exponential mode
  		1 - linear mode
  
  What:		/sys/class/backlight/<backlight>/pwm
  Date:		April 2012
  KernelVersion:	3.5
  Contact:	Johan Hovold <jhovold@gmail.com>
  Description:
  		Set the PWM-input control mask (5 bits), where
  
  		bit 5 - PWM-input enabled in Zone 4
  		bit 4 - PWM-input enabled in Zone 3
  		bit 3 - PWM-input enabled in Zone 2
  		bit 2 - PWM-input enabled in Zone 1
  		bit 1 - PWM-input enabled in Zone 0
  		bit 0 - PWM-input enabled