On Sat, 11 Apr 2009 18:16:14 +0400 Victor <ErV2005@xxxxxxxxxx> wrote: > Hello. Hello Victor, > 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? Did you try to change the webcam controls? (there are brightness, exposure, autogain and gain - they may be changed by programs as v4l2ucp or vlc) > 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 advice is outdated.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. You may ask to Hans de Goede who is the maintainer of the pac207 driver. Cheers. -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/ -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html