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authorLinus Walleij <linus.walleij@linaro.org>2016-08-16 21:41:36 +0200
committerJacek Anaszewski <j.anaszewski@samsung.com>2016-08-19 21:05:39 +0200
commit1d1a77ddc8acfa3d506f1958e09a12085e71fc69 (patch)
tree9da585d17ceb3afc0dac10a99de709c647577d2f /Documentation/devicetree/bindings/leds/common.txt
parent7f866986e7052197396d8a663fa009209af18aee (diff)
leds: centralize definition of "default-state" property
Four different drivers define the "default-state" property. Move this into the common.txt common LEDs properties. Cc: devicetree@vger.kernel.org Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Diffstat (limited to 'Documentation/devicetree/bindings/leds/common.txt')
-rw-r--r--Documentation/devicetree/bindings/leds/common.txt7
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