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Diffstat (limited to 'Documentation/devicetree/bindings/leds/common.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/leds/common.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt index 93ef6e6e43b5..696be5792625 100644 --- a/Documentation/devicetree/bindings/leds/common.txt +++ b/Documentation/devicetree/bindings/leds/common.txt @@ -19,6 +19,13 @@ Optional properties for child nodes: a device, i.e. no other LED class device can be assigned the same label. +- default-state : The initial state of the LED. Valid values are "on", "off", + and "keep". If the LED is already on or off and the default-state property is + set the to same value, then no glitch should be produced where the LED + momentarily turns off (or on). The "keep" setting will keep the LED at + whatever its current state is, without producing a glitch. The default is + off if this property is not present. + - linux,default-trigger : This parameter, if present, is a string defining the trigger assigned to the LED. Current triggers are: "backlight" - LED will act as a back-light, controlled by the framebuffer |