Re: soc_camera_open() not called

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On Wed, 1 Apr 2009, Robert Jarzmik wrote:

> Darius Augulis <augulis.darius@xxxxxxxxx> writes:
> 
> >>> Darius Augulis wrote:
> >>>     
> >>>> Hi,
> >>>>
> >>>> I'm trying to launch mx1_camera based on new v4l and soc-camera tree.
> >>>> After loading mx1_camera module, I see that .add callback is not called.
> >>>> In debug log I see that soc_camera_open() is not called too.
> >>>> What should call this function? Is this my driver problem?
> >>>> p.s. loading sensor driver does not change situation.
> >>>>       
> >>
> >> Are you by any chance using last 2.6.29 kernel ?
> >> If so, would [1] be the answer to your question ?
> >>
> >> [1] http://lkml.org/lkml/2009/3/24/625
> 
> > thanks. it means we should expect soc-camera fix for this?
> > I'm using 2.6.29-git8, but seems it's not fixed yet.
> No, I don't think so.

You're right.

> The last time I checked there had to be an amendement to the patch which
> introduced the driver core regression, as it touches other areas as well
> (sound/soc and mtd from memory).
> 
> I think Guennadi can confirm this, as he's the one who raised the issue in the
> first place.

If Darius had followed the thread you referred to he would have come down 
to this message

http://lkml.org/lkml/2009/3/26/202

which provides a reply as to "what should be fixed," and yes, Ming Lei has 
already provided a patch to fix this, it should hit mainstream... some 
time before -rc1.

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
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