linux-kernel - Re: [PATCH v5] media: i2c: tvp514x: add OF support

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Date:	Wed, 29 May 2013 09:49:03 +0530
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:	Hans Verkuil <hans.verkuil@...co.com>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	LMML <linux-media@...r.kernel.org>,
	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
Subject: Re: [PATCH v5] media: i2c: tvp514x: add OF support

Hi Laurent,

On Wed, May 29, 2013 at 6:52 AM, Laurent Pinchart
<laurent.pinchart@...asonboard.com> wrote:
> Hi Prabhakar,
>
> Thanks for the patch.
>
> On Sunday 26 May 2013 18:49:46 Prabhakar Lad wrote:
>> From: Lad, Prabhakar <prabhakar.csengg@...il.com>
>>
>> add OF support for the tvp514x driver.
>>
>> Signed-off-by: Lad, Prabhakar <prabhakar.csengg@...il.com>
>> Cc: Hans Verkuil <hans.verkuil@...co.com>
>> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
>> Cc: Mauro Carvalho Chehab <mchehab@...hat.com>
>> Cc: Guennadi Liakhovetski <g.liakhovetski@....de>
>> Cc: Sylwester Nawrocki <s.nawrocki@...sung.com>
>> Cc: Sakari Ailus <sakari.ailus@....fi>
>> Cc: Grant Likely <grant.likely@...retlab.ca>
>> Cc: Rob Herring <rob.herring@...xeda.com>
>> Cc: Rob Landley <rob@...dley.net>
>> Cc: devicetree-discuss@...ts.ozlabs.org
>> Cc: linux-doc@...r.kernel.org
>> Cc: linux-kernel@...r.kernel.org
>> Cc: davinci-linux-open-source@...ux.davincidsp.com
>
> Acked-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
>
Thanks for the ack.

> (with two small comment below).
>
>> ---
>> Tested on da850-evm.
>>
[snip]
>
> s/of port/on port/
> s/refer/refer to/
>
OK

>> Documentation/devicetree/bindings/media/video-interfaces.txt.
>> +
>> +Example:
>> +
>> +     i2c0@...2000 {
>> +             ...
>> +             ...
>> +             tvp514x@5c {
>> +                     compatible = "ti,tvp5146";
>> +                     reg = <0x5c>;
>> +
>> +                     port {
>> +                             tvp514x_1: endpoint {
>> +                                     hsync-active = <1>;
>> +                                     vsync-active = <1>;
>> +                                     pclk-sample = <0>;
>> +                             };
>> +                     };
>> +             };
>> +             ...
>> +     };
>> diff --git a/drivers/media/i2c/tvp514x.c b/drivers/media/i2c/tvp514x.c
>> index 7438e01..7ed999b 100644
>> --- a/drivers/media/i2c/tvp514x.c
>> +++ b/drivers/media/i2c/tvp514x.c
>> @@ -39,6 +39,7 @@
>>  #include <media/v4l2-device.h>
>>  #include <media/v4l2-common.h>
>>  #include <media/v4l2-mediabus.h>
>> +#include <media/v4l2-of.h>
>>  #include <media/v4l2-chip-ident.h>
>>  #include <media/v4l2-ctrls.h>
>>  #include <media/tvp514x.h>
>> @@ -1055,6 +1056,42 @@ static struct tvp514x_decoder tvp514x_dev = {
>>
>>  };
>>
>> +static struct tvp514x_platform_data *
>> +tvp514x_get_pdata(struct i2c_client *client)
>> +{
>> +     struct tvp514x_platform_data *pdata = NULL;
>
> No need to initialize pdata to NULL.
>
OK will fix it in the next version.

Regards,
--Prabhakar Lad
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