Hi Bastian
On Tue, 7 Dec 2010, Bastian Hecht wrote:
> Hello,
>
> I succesfully got out images reliably. I just the nokia-tree and mixed
> up your mt9t031 and Laurent's mt9t001 code. It's just a barebone that
> gets images in default size. It's not cleaned up yet, but I post what
> I have.
Thanks! Will have a look and give them a try. If you like, I can try to
help you cleaning up the patches and mainlining them - at least to
Laurent's tree;)
Thanks
Guennadi
>
> Greetings,
>
> Bastian
>
>
> 2010/12/6 Guennadi Liakhovetski <g.liakhovetski@xxxxxx>:
> > On Thu, 4 Nov 2010, Laurent Pinchart wrote:
> >
> >> Hi Bastian,
> >
> > Hi Bastian, all
> >
> > Have you or anyone ben successful getting mt9p031 to work with the omap3
> > ISP driver? If so - can I have the code? Or even if it never worked -
> > could you post the latest version of your driver and platform bindings?
> >
> > Thanks
> > Guennadi
> >
> >>
> >> On Tuesday 02 November 2010 11:31:28 Bastian Hecht wrote:
> >> > >> I am the first guy needing a 12 bit-bus?
> >> > >
> >> > > Yes you are :-) You will need to implement 12 bit support in the ISP
> >> > > driver, or start by hacking the sensor driver to report a 10 bit format
> >> > > (2 bits will be lost but you should still be able to capture an image).
> >> >
> >> > Isn't that an "officially" supported procedure to drop the least
> >> > significant bits?
> >> > You gave me the isp configuration
> >> > .bus = { .parallel = {
> >> > .data_lane_shift = 1,
> >> > ...
> >> > that instructs the isp to use 10 of the 12 bits.
> >>
> >> If you don't need the full 12 bits, sure, that should work.
> >>
> >> > >> Second thing is, the yavta app now gets stuck while dequeuing a buffer.
> >> > >>
> >> > >> strace ./yavta -f SGRBG10 -s 2592x1944 -n 4 --capture=4 --skip 3 -F
> >> > >> /dev/video2 ...
> >> > >> ioctl(3, VIDIOC_QBUF, 0xbec111cc) = 0
> >> > >> ioctl(3, VIDIOC_QBUF, 0xbec111cc) = 0
> >> > >> ioctl(3, VIDIOC_QBUF, 0xbec111cc) = 0
> >> > >> ioctl(3, VIDIOC_QBUF, 0xbec111cc) = 0
> >> > >> ioctl(3, VIDIOC_STREAMON, 0xbec11154) = 0
> >> > >> ioctl(3, VIDIOC_DQBUF
> >> > >>
> >> > >> strace gets stuck in mid of this line.
> >> >
> >> > Somehow the ISP_ENABLE_IRQ register was reset at some point that is
> >> > unclear to me. When I put it on again manually yavta succeeds to read
> >> > the frames.
> >>
> >> That's weird. Let me know if you can reproduce the problem.
> >>
> >> > Unfortunately the image consists of black pixels only. We found out that the
> >> > 2.8V voltage regulator got broken in the course of development - the 1.8V
> >> > logic still worked but the ADC did not...
> >> >
> >> > But the heck - I was never that close :)
> >>
> >> --
> >> Regards,
> >>
> >> Laurent Pinchart
> >> --
> >> To unsubscribe from this list: send the line "unsubscribe linux-media" in
> >> the body of a message to majordomo@xxxxxxxxxxxxxxx
> >> More majordomo info at http://vger.kernel.org/majordomo-info.html
> >>
> >
> > ---
> > Guennadi Liakhovetski, Ph.D.
> > Freelance Open-Source Software Developer
> > http://www.open-technology.de/
> >
>
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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