linux-kernel - Re: [PATCH v2 2/2] media: i2c: tvp7002: add OF support

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Message-ID: <CA+V-a8tCTVzyE0YWjYexuXMD1QYHJa-OTmwZq7rVpdfn-262iA@mail.gmail.com>
Date:	Mon, 15 Jul 2013 22:39:06 +0530
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	Sylwester Nawrocki <sylvester.nawrocki@...il.com>
Cc:	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>,
	Rob Herring <rob.herring@...xeda.com>,
	Rob Landley <rob@...dley.net>,
	devicetree-discuss@...ts.ozlabs.org
Subject: Re: [PATCH v2 2/2] media: i2c: tvp7002: add OF support

Hi Sylwester,

On Mon, Jul 15, 2013 at 1:12 AM, Sylwester Nawrocki
<sylvester.nawrocki@...il.com> wrote:
> Hi Prabhakar,
>
[Snip]
>> Something similar to fid_polarity.
>
>
> Then as I suggested earlier, let's just add 'sync-on-green-active' DT
> property for that. I wouldn't expect the DT properties to be directly
> replacing your driver platform_data members. Saying in the binding that
> this is a normal operation and that is an inverted one is not very useful
> in general, as you would need to dig in the binding's description what
> "normal" exactly means. sync-on-green-active = <1>; seems much more
> explicit than, e.g. sync-on-green-inverted. By looking at the
> sync-on-green-active property each device driver would determine whether
> it means normal or inverted operation for its device.
>
Ok so I'll add 'sync-on-green-active' property and parse it in
v4l2_of_parse_parallel_bus()
and add it as part of flags. and define the following flags in mediabus.h

V4L2_MBUS_VIDEO_SOG_ACTIVE_{HIGH,LOW}.

Hope you are OK with it.

--
Regards,
Prabhakar Lad
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