1. Edit /etc/modprobe.d/blacklist.conf and add:
blacklist gspca_stv06xx
blacklist gspca_main
2. Execute:
rmmod gspca_stv06xx
rmmod gspca_main
3. Execute:
rmmod quickcam_messenger
modprobe quickcam_messenger brightness=10000 hue=10000 contrast=10000 whiteness=10000
