Label is used for naming LED class devices. Since ePAPR
doesn't require uniqueness for label properties, it has to be
explicitly required in the LEDs common bindings documentation.
Signed-off-by: Jacek Anaszewski <j.anaszew...@samsung.com>
Acked-by: Kyungmin Park <kyungmin.p...@samsung.com>
Cc: Bryan Wu <coolo...@gmail.com>
Cc: Richard Purdie <rpur...@rpsys.net>
Cc: Sakari Ailus <sakari.ai...@iki.fi>
Cc: devicetree@vger.kernel.org
---
Documentation/devicetree/bindings/leds/common.txt | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/leds/common.txt
b/Documentation/devicetree/bindings/leds/common.txt
index 34811c5..747c538 100644
--- a/Documentation/devicetree/bindings/leds/common.txt
+++ b/Documentation/devicetree/bindings/leds/common.txt
@@ -14,8 +14,10 @@ Optional properties for child nodes:
- led-sources : List of device current outputs the LED is connected to. The
outputs are identified by the numbers that must be defined
in the LED device binding documentation.
-- label : The label for this LED. If omitted, the label is
- taken from the node name (excluding the unit address).
+- label : The label for this LED. If omitted, the label is taken from the node
+ name (excluding the unit address). It has to uniquely identify
+ a device, i.e. no other LED class device can be assigned the same
+ label.
- linux,default-trigger : This parameter, if present, is a
string defining the trigger assigned to the LED. Current triggers are:
--
1.7.9.5
--
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