15f634c65SCorentin CharyWhat: /sys/class/leds/<led>/brightness 25f634c65SCorentin CharyDate: March 2006 35f634c65SCorentin CharyKernelVersion: 2.6.17 45f634c65SCorentin CharyContact: Richard Purdie <rpurdie@rpsys.net> 55f634c65SCorentin CharyDescription: 65f634c65SCorentin Chary Set the brightness of the LED. Most LEDs don't 75f634c65SCorentin Chary have hardware brightness support so will just be turned on for 85f634c65SCorentin Chary non-zero brightness settings. The value is between 0 and 95f634c65SCorentin Chary /sys/class/leds/<led>/max_brightness. 105f634c65SCorentin Chary 115f634c65SCorentin CharyWhat: /sys/class/leds/<led>/max_brightness 125f634c65SCorentin CharyDate: March 2006 135f634c65SCorentin CharyKernelVersion: 2.6.17 145f634c65SCorentin CharyContact: Richard Purdie <rpurdie@rpsys.net> 155f634c65SCorentin CharyDescription: 165f634c65SCorentin Chary Maximum brightness level for this led, default is 255 (LED_FULL). 175f634c65SCorentin Chary 185f634c65SCorentin CharyWhat: /sys/class/leds/<led>/trigger 195f634c65SCorentin CharyDate: March 2006 205f634c65SCorentin CharyKernelVersion: 2.6.17 215f634c65SCorentin CharyContact: Richard Purdie <rpurdie@rpsys.net> 225f634c65SCorentin CharyDescription: 235f634c65SCorentin Chary Set the trigger for this LED. A trigger is a kernel based source 245f634c65SCorentin Chary of led events. 255f634c65SCorentin Chary You can change triggers in a similar manner to the way an IO 265f634c65SCorentin Chary scheduler is chosen. Trigger specific parameters can appear in 275f634c65SCorentin Chary /sys/class/leds/<led> once a given trigger is selected. 285f634c65SCorentin Chary 29*9f9455aeSJanusz KrzysztofikWhat: /sys/class/leds/<led>/inverted 30*9f9455aeSJanusz KrzysztofikDate: January 2011 31*9f9455aeSJanusz KrzysztofikKernelVersion: 2.6.38 32*9f9455aeSJanusz KrzysztofikContact: Richard Purdie <rpurdie@rpsys.net> 33*9f9455aeSJanusz KrzysztofikDescription: 34*9f9455aeSJanusz Krzysztofik Invert the LED on/off state. This parameter is specific to 35*9f9455aeSJanusz Krzysztofik gpio and backlight triggers. In case of the backlight trigger, 36*9f9455aeSJanusz Krzysztofik it is usefull when driving a LED which is intended to indicate 37*9f9455aeSJanusz Krzysztofik a device in a standby like state. 38