Re: Getting started with OMAP3 ISP

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On Tue, Aug 30, 2011 at 6:23 PM, Gary Thomas <gary@xxxxxxxxxxxx> wrote:
> Thanks, I'll give it a look.
>
> Your note says that /dev/video* is properly registered.  Does this
> mean that udev created them for you on boot as well?  If so, what
> version of udev are you using?  What's your root file system setup?
> n.b. I'm using an OpenEmbedded variant, Poky

They are not created on boot but when i modprobe omap3-isp (and
tvp5150 gets automatically loaded).

Udev is version 173 and i'm using Angstrom, an OpenEmbedded (core) variant too.

Anyway when developing the patch it happened to me too that i had
those subdev open errors, but if i remember correctly only for tvp5150
so it was something wrong in my code.

And if i continue to remember correctly it was because you had to set
the V4L2_SUBDEV_FL_HAS_DEVNODE after calling v4l2_i2c_subdev_init.
Seems nonsense but this is what i remember, actually this is what the
mt9v032 driver does.

Enrico
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