Hi Martin Rubli and others!

First, let me thank you for the work done so far in the driver!

The thing is that I am trying to disable the camera auto gain.
I have read some previous threads that treated this same topic, but haven't
succeeded so far. I applied the patch that Martin Rubli made available. I
then compliled and installed. Later, I compiled the "bayer.c" file.

I am using a Logitech Ultra Vision camera and opencv and works pretty ok,
but when I run the bayer program I get:

sudo ./bayer /dev/video0 0
Device /dev/video0 opened: USB Video Class device.
Enabling color pipeline ...
ERROR: Unable to set device control: -1

From what I understand, the idea is to change the camera behaviour in
run-time, isn't it? I mean, I can tell the camera to stop doing
auto-adjustments (gain, shutter, whatever) anytime. Can this be achieved?

Thanks!
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