Dark picture on Genius E-Messenger 112 webcam with yesterday's v4l-dvb code.

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Hello.

I'm using Genius E-Messenger 112 webcam on Slackware 12.2 with 2.6.27.7 kernel 
(custom-built) and yesterday's v4l-dvb sources checked out via "mercurial" 
("hg log" returns "11445:dba0b6fae413" as latest commit). the camera uses 
gspca_main and gspca_pac207 kernel modules.`

Camera works (with LD_PRELOAD=v4l2convert.so) in mplayer (mplayer tv://) and 
skype, but picture is way too dark. It looks like "contrast" is permanently 
set at maximum, and doesn't change (although it looks like camera tries to 
adjust brightness automatically).

How can this be fixed?

Few articles in the web talk about "/sys/module/gspca/parameters/gamma", etc, 
but it looks like such advice is outdated. I assume this device is not 
completely supported (people on the web recommend to avoid using this camera 
on linux), so perhaps I could provide additional data to make it work in the 
future. Or, perhaps, someone could tell me where (in gspca source) I could 
start trying to fix that problem.

-- 
With best regards, Victor
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