Re: [PATCH V2] V4L/DVB: v4l: Add driver for Marvell PXA910 CCIC

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On Thu, 2 Jun 2011, Jonathan Corbet wrote:

> On Wed,  1 Jun 2011 21:16:45 +0800
> Kassey Lee <ygli@xxxxxxxxxxx> wrote:
> 
> > This driver exports a video device node per each CCIC
> > (CMOS Camera Interface Controller)
> > device contained in Marvell Mobile PXA910 SoC
> > The driver is based on soc-camera + videobuf2 frame
> > work, and only USERPTR is supported.
> 
> This device looks awfully similar to the Cafe controller; you must
> certainly have known that, since some of the code in your driver is
> clearly copied (without attribution) from cafe_ccic.c.

Yes, I noticed this, as I saw the cafe_ccic header being included in this 
driver.

> As it happens, I've just written a driver for the Armada 610 SoC found
> in the OLPC 1.75 system; I was planning to post it as early as next
> week.  I took a different approach, though: rather than duplicating the
> Cafe code, I split that driver into core and platform parts, then added
> a new platform piece for the Armada 610.  I do believe that is a better
> way of doing things.
> 
> That said, your driver has useful stuff that mine doesn't - MIPI
> support, for example.
> 
> I'm traveling, but will be back next week.  I'll send out my work after
> that; then I would really like to find a way to make all these pieces
> work together with a common core for cafe-derived controllers.  Make
> sense?

This is definitely the right direction! Thanks for your heads-up!

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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