linux-kernel - Re: [PATCH RFC v3] media: OF: add video sync endpoint property

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Date:	Tue, 25 Jun 2013 14:46:59 +0530
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	Hans Verkuil <hverkuil@...all.nl>
Cc:	Mauro Carvalho Chehab <mchehab@...hat.com>,
	LMML <linux-media@...r.kernel.org>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	DLOS <davinci-linux-open-source@...ux.davincidsp.com>,
	LKML <linux-kernel@...r.kernel.org>,
	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 v3] media: OF: add video sync endpoint property

Hi Hans,

On Mon, Jun 24, 2013 at 1:21 PM, Hans Verkuil <hverkuil@...all.nl> wrote:
> Hi Prabhakar,
>
> On Sat June 22 2013 17:03:03 Prabhakar Lad wrote:
>> From: "Lad, Prabhakar" <prabhakar.csengg@...il.com>
>>
[snip]
>> +#ifndef _DT_BINDINGS_VIDEO_INTERFACES_H
>> +#define _DT_BINDINGS_VIDEO_INTERFACES_H
>> +
>> +#define V4L2_MBUS_VIDEO_SEPARATE_SYNC                (1 << 2)
>> +#define V4L2_MBUS_VIDEO_COMPOSITE_SYNC               (1 << 3)
>> +#define V4L2_MBUS_VIDEO_SYNC_ON_COMPOSITE    (1 << 4)
>
> What on earth is the difference between "COMPOSITE_SYNC" and "SYNC_ON_COMPOSITE"?!
>
This link http://en.wikipedia.org/wiki/Component_video_sync
would give a better explanation about it.

Regards,
--Prabhakar Lad
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