[PATCH 5/6] mx31moboard: camera support

Sascha Hauer s.hauer at pengutronix.de
Tue Oct 20 04:09:42 EDT 2009


On Mon, Oct 19, 2009 at 06:41:13PM +0200, Valentin Longchamp wrote:
> Hi Guennadi,
>
> Guennadi Liakhovetski wrote:
>> Hi
>>
>> On Thu, 15 Oct 2009, Valentin Longchamp wrote:
>>
>>> We have two mt9t031 cameras that have a muxed bus on the robot.
>>> We can control which one we are using with gpio outputs. This
>>> currently is not optimal
>>
>> So, what prevents you from registering two platform devices for your 
>> two cameras? Is there a problem with that?
>
> The lack of time until now to do it properly. I sent those patches as  
> initial RFC (and by the way thanks for your comment).
>
> I would like to have one video interface only and that I can switch  
> between the two physical camera using a quite simple system call. Would  
> that be compatible with registering the two platform devices ?

Wouldn't it be better to have /dev/video[01] for two cameras? How do
keep the registers synchron between both cameras otherwise?

Sascha


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