Re: [beagleboard] [RFC v1] mt9v113: VGA camera sensor driver and support for BeagleBoard

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On Wed, Jul 13, 2011 at 11:22 AM, Joel A Fernandes <agnel.joel@xxxxxxxxx> wrote:
> * Adds support for mt9v113 sensor by borrowing heavily from PSP 2.6.37 kernel patches
> * Adapted to changes in v4l2 framework and ISP driver
>
> Signed-off-by: Joel A Fernandes <agnel.joel@xxxxxxxxx>
> ---
> This patch will apply against the 2.6.39 kernel built from the OE-development tree (Which is essentially
> the v2.6.39 from the main tree with OE patches for BeagleBoard support and a few other features)
>
> If you have the Leapord imaging camera board with this particular sensor, I would apprecite it if anyone could
> try this patch out and provide any feedback/test results.
>
> To get the complete tree which works on a BeagleBoard-xM with all the OE patches and this patch,
> you can clone: https://github.com/joelagnel/linux-omap-2.6/tree/oedev-2.6.39-mt9v113
>
> It will compile and work on a BeagleBoard-xM with the defconfig at:
> http://cgit.openembedded.org/cgit.cgi/openembedded/tree/recipes/linux/linux-omap-2.6.39/beagleboard/defconfig
>
> Also you will need to apply my media-ctl patch (or clone the tree) to setup the formats:
> https://github.com/joelagnel/media-ctl/commit/cdf24d1249ac1ff3cd6f70ad80c3b76ac28ba0d5
>
> Binaries for quick testing on a BeagleBoard-xM:
> U-boot: http://utdallas.edu/~joel.fernandes/u-boot.bin
> U-boot: http://utdallas.edu/~joel.fernandes/MLO
> uEnv.txt: http://utdallas.edu/~joel.fernandes/uEnv.txt
> media-ctl: http://utdallas.edu/~joel.fernandes/media-ctl
> kernel: http://utdallas.edu/~joel.fernandes/uImage
>
> media-ctl/yavta commands you could use to get it to show a picture can be found at:
> http://utdallas.edu/~joel.fernandes/stream.sh
>

Joel,

I gave this a try this weekend. I ran into a few problems/questions.

I wanted to try with pre-built (tested?) binaries so I grabbed yours
(used your uImage):
1. media-ctl binary does not work because there is no libmediactl.so
on my Angstrom root FS.
2. There was no yavta-nc application.

I googled and found Laurent's git.ideasonboard.org site and cloned the
media-ctl and yavta projects and built those.

1. The second media-ctl invocation in streams.sh fails with "error
parsing format".
2. The yavta app fails trying to do a "stream on" (maybe due to
media-ctl failure)?

Mark
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