linux-kernel - Re: [PATCH RFC] media: OF: add field-active and sync-on-green endpoint properties

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Message-ID: <5194B8DA.4080204@gmail.com>
Date:	Thu, 16 May 2013 12:45:46 +0200
From:	Sylwester Nawrocki <sylvester.nawrocki@...il.com>
To:	Lad Prabhakar <prabhakar.csengg@...il.com>
CC:	LMML <linux-media@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	DLOS <davinci-linux-open-source@...ux.davincidsp.com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	Guennadi Liakhovetski <g.liakhovetski@....de>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Sakari Ailus <sakari.ailus@....fi>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	devicetree-discuss@...ts.ozlabs.org, linux-doc@...r.kernel.org,
	Kyungmin Park <kyungmin.park@...sung.com>
Subject: Re: [PATCH RFC] media: OF: add field-active and sync-on-green endpoint
 properties

On 05/15/2013 02:52 PM, Lad Prabhakar wrote:
> diff --git a/Documentation/devicetree/bindings/media/video-interfaces.txt b/Documentation/devicetree/bindings/media/video-interfaces.txt
> index e022d2d..6bf87d0 100644
> --- a/Documentation/devicetree/bindings/media/video-interfaces.txt
> +++ b/Documentation/devicetree/bindings/media/video-interfaces.txt
> @@ -101,6 +101,10 @@ Optional endpoint properties
>     array contains only one entry.
>   - clock-noncontinuous: a boolean property to allow MIPI CSI-2 non-continuous
>     clock mode.
> +-field-active: a boolean property indicating active high filed ID output
> + polarity is inverted.

You can drop this property and use the existing 'field-even-active' property
instead.

> +-sync-on-green: a boolean property indicating to sync with the green signal in
> + RGB.

> diff --git a/include/media/v4l2-mediabus.h b/include/media/v4l2-mediabus.h
> index 83ae07e..b95553d 100644
> --- a/include/media/v4l2-mediabus.h
> +++ b/include/media/v4l2-mediabus.h
> @@ -40,6 +40,8 @@
>   #define V4L2_MBUS_FIELD_EVEN_HIGH		(1<<  10)
>   /* FIELD = 1/0 - Field1 (odd)/Field2 (even) */
>   #define V4L2_MBUS_FIELD_EVEN_LOW		(1<<  11)
> +#define V4L2_MBUS_FIELD_ACTIVE			(1<<  12)
> +#define V4L2_MBUS_SOG				(1<<  13)

How about V4L2_MBUS_SYNC_ON_GREEN ?

Thanks,
Sylwester
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