linux-kernel - Re: [PATCH/RFC v10 17/19] DT: Add documentation for exynos4-is 'flashes' property

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Message-id: <54BFD4B9.8030707@samsung.com>
Date:	Wed, 21 Jan 2015 17:32:57 +0100
From:	Sylwester Nawrocki <s.nawrocki@...sung.com>
To:	Jacek Anaszewski <j.anaszewski@...sung.com>,
	linux-kernel@...r.kernel.org
Cc:	linux-leds@...r.kernel.org, linux-media@...r.kernel.org,
	devicetree@...r.kernel.org, kyungmin.park@...sung.com,
	b.zolnierkie@...sung.com, pavel@....cz, cooloney@...il.com,
	rpurdie@...ys.net, sakari.ailus@....fi,
	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 17/19] DT: Add documentation for exynos4-is
 'flashes' property

Hi,

On 09/01/15 16:23, Jacek Anaszewski wrote:
> This patch adds a description of 'flashes' property
> to the samsung-fimc.txt.
> 
> Signed-off-by: Jacek Anaszewski <j.anaszewski@...sung.com>
> Acked-by: Kyungmin Park <kyungmin.park@...sung.com>

> ---
>  .../devicetree/bindings/media/samsung-fimc.txt     |    7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/samsung-fimc.txt b/Documentation/devicetree/bindings/media/samsung-fimc.txt
> index 922d6f8..22a6b2f 100644
> --- a/Documentation/devicetree/bindings/media/samsung-fimc.txt
> +++ b/Documentation/devicetree/bindings/media/samsung-fimc.txt
> @@ -40,6 +40,12 @@ should be inactive. For the "active-a" state the camera port A must be activated
>  and the port B deactivated and for the state "active-b" it should be the other
>  way around.
>  
> +Optional properties:
> +
> +- flashes - Array of phandles to flash LED devices, or their sub-nodes
> +	    representing sub-leds.
> +	    (see Documentation/devicetree/bindings/leds/common.txt)

How about renaming this to "illuminators" or something else more generic?
The "torch" LED (for video recording illumination?) is not really a flash.

> +
>  The 'camera' node must include at least one 'fimc' child node.
>  
>  
> @@ -166,6 +172,7 @@ Example:
>  		clock-output-names = "cam_a_clkout", "cam_b_clkout";
>  		pinctrl-names = "default";
>  		pinctrl-0 = <&cam_port_a_clk_active>;
> +		flashes = <&camera_flash>, <&system_torch>;
>  		status = "okay";
>  		#address-cells = <1>;
>  		#size-cells = <1>;
--
Thanks,
Sylwester
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