Re: Chroma gain configuration

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On Mon, Feb 22, 2010 at 4:41 PM, Hans Verkuil <hverkuil@xxxxxxxxx> wrote:
> I am still planning to continue my work for a general control handling
> framework. I know how to do it and it's just time that I lack.
>
> Converting all drivers to support the extended control API is quite complicated
> since the API is fairly complex (esp. with regard to atomicity). In this case
> my advice would be to support extended controls only where needed and wait for
> this framework before converting all the other drivers.

Hans,

I have no objection to holding off if that's what you recommend.  The
only reason we got onto this thread was because the v4l2-dbg
application seems to implicitly assume that *all* private controls
using V4L2_CID_PRIVATE_BASE can only be accessed via the extended
control interface, meaning you cannot use the utility in conjunction
with a driver that has a private control defined in the the
VIDIOC_G_CTRL function.

Devin

-- 
Devin J. Heitmueller - Kernel Labs
http://www.kernellabs.com
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