Re: mt9t111 sensor on Beagleboard xM

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Hi Javier,

On Monday 11 April 2011 11:11:06 javier Martin wrote:
> Hi Laurent,
> 
> > Adding pad-level operations will not break any existing driver, as long
> > as you keep the existing operations functional.
> 
> Is it really possible to have a sensor driver supporting soc-camera,
> v4l2-subdev and pad-level operations?

Probably. Guennadi should be able to help you some more with that, he's the 
soc-camera expert.

> I've been reviewing the code of mt9t112 and I'm not very sure soc-camera
> code can be easily isolated.
> 
> What is the future of soc-camera anyway? Since it seems v4l2-subdev and
> media-controller clearly make it deprecated.

My understanding is that soc-camera will stay, but sensor drivers will likely 
not depend on soc-camera anymore. soc-camera will use pad-level operations, as 
well as a bus configuration ioctl that has been proposed on the list (but not 
finalized yet). Guennadi, can you share some information about this ?

> Wouldn't it be more suitable to just develop a separate mt9t112 driver
> which includes v4l2-subdev and pad-level operations without soc-camera?

I don't think duplicate drivers will be accepted for mainline.

-- 
Regards,

Laurent Pinchart
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