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From: javier.martin@vista-silicon.com (javier Martin)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH][RFC] Add mt9p031 sensor support.
Date: Wed, 25 May 2011 11:41:42 +0200	[thread overview]
Message-ID: <BANLkTikvLEG55vqpLmNJJsvsvz1eLsGoHw@mail.gmail.com> (raw)
In-Reply-To: <201105251005.28691.laurent.pinchart@ideasonboard.com>

Hi,
thank you for the review, I agree with you on all the suggested
changes except on this one:

On 25 May 2011 10:05, Laurent Pinchart
<laurent.pinchart@ideasonboard.com> wrote:
> Hi Javier,
>
> Thanks for the patch. Here's a review of the power handling code.
>
> On Tuesday 24 May 2011 16:30:43 Javier Martin wrote:
>> This RFC includes a power management implementation that causes
>> the sensor to show images with horizontal artifacts (usually
>> monochrome lines that appear on the image randomly).
>>
>> Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
>
> [snip]
>
>> diff --git a/drivers/media/video/mt9p031.c b/drivers/media/video/mt9p031.c
>> new file mode 100644
>> index 0000000..04d8812
>> --- /dev/null
>> +++ b/drivers/media/video/mt9p031.c
>
> [snip]
>> +#define MT9P031_WINDOW_HEIGHT_MAX ? ? ? ? ? ?1944
>> +#define MT9P031_WINDOW_WIDTH_MAX ? ? ? ? ? ? 2592
>> +#define MT9P031_WINDOW_HEIGHT_MIN ? ? ? ? ? ?2
>> +#define MT9P031_WINDOW_WIDTH_MIN ? ? ? ? ? ? 18
>
> Can you move those 4 constants right below MT9P031_WINDOW_HEIGHT and
> MT9P031_WINDOW_WIDTH ? The max values are not correct, according to the
> datasheet they should be 2005 and 2751.

In figure 4, it says active image size is 2592 x 1944
Why should I include active boundary and dark pixels?




-- 
Javier Martin
Vista Silicon S.L.
CDTUC - FASE C - Oficina S-345
Avda de los Castros s/n
39005- Santander. Cantabria. Spain
+34 942 25 32 60
www.vista-silicon.com

  reply	other threads:[~2011-05-25  9:41 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-24 14:30 [PATCH][RFC] Add mt9p031 sensor support Javier Martin
2011-05-25  8:05 ` Laurent Pinchart
2011-05-25  9:41   ` javier Martin [this message]
2011-05-25  9:43     ` Laurent Pinchart
2011-05-27  9:08       ` javier Martin
2011-05-27  9:48         ` Guennadi Liakhovetski

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