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

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Date:	Fri, 9 Jan 2015 12:33:47 -0600
From:	Rob Herring <robherring2@...il.com>
To:	Jacek Anaszewski <j.anaszewski@...sung.com>
Cc:	linux-leds@...r.kernel.org,
	"linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Pavel Machek <pavel@....cz>, Bryan Wu <cooloney@...il.com>,
	Richard Purdie <rpurdie@...ys.net>, sakari.ailus@....fi,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>
Subject: Re: [PATCH/RFC v10 03/19] DT: leds: Add led-sources property

On Fri, Jan 9, 2015 at 9:22 AM, Jacek Anaszewski
<j.anaszewski@...sung.com> 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@...sung.com>
> Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
> Cc: Bryan Wu <cooloney@...il.com>
> Cc: Richard Purdie <rpurdie@...ys.net>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Pawel Moll <pawel.moll@....com>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Ian Campbell <ijc+devicetree@...lion.org.uk>
> Cc: Kumar Gala <galak@...eaurora.org>
> ---
>  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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