Re: [PATCH/RFC v10 03/19] DT: leds: Add led-sources property

From: Rob Herring
Date: Fri Jan 09 2015 - 13:34:16 EST


On Fri, Jan 9, 2015 at 9:22 AM, Jacek Anaszewski
<j.anaszewski@xxxxxxxxxxx> wrote:
> Add a property for defining the device outputs the LED
> represented by the DT child node is connected to.
>
> Signed-off-by: Jacek Anaszewski <j.anaszewski@xxxxxxxxxxx>
> Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> Cc: Bryan Wu <cooloney@xxxxxxxxx>
> Cc: Richard Purdie <rpurdie@xxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Pawel Moll <pawel.moll@xxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/leds/common.txt | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/leds/common.txt b/Documentation/devicetree/bindings/leds/common.txt
> index a2c3f7a..29295bf 100644
> --- a/Documentation/devicetree/bindings/leds/common.txt
> +++ b/Documentation/devicetree/bindings/leds/common.txt
> @@ -1,6 +1,10 @@
> Common leds properties.
>
> Optional properties for child nodes:
> +- led-sources : Array of bits signifying the LED current regulator outputs the
> + LED represented by the child node is connected to (1 - the LED
> + is connected to the output, 0 - the LED isn't connected to the
> + output).

Sorry, I just don't understand this.

Rob

> - label : The label for this LED. If omitted, the label is
> taken from the node name (excluding the unit address).
>
> @@ -33,6 +37,7 @@ system-status {
>
> camera-flash {
> label = "Flash";
> + led-sources = <1 0>;
> max-microamp = <50000>;
> flash-max-microamp = <320000>;
> flash-timeout-us = <500000>;
> --
> 1.7.9.5
>
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