I've installed on another partition minimal Ubuntu Oneiric system with Linux 3.0.0-19-generic-pae from oneiric-proposed repository, added "video.brightness_autoswitch_via_bios=1" to kernel command line and it works as supposed.
I've installed on another partition minimal Ubuntu Oneiric system with Linux 3.0.0-19- generic- pae from oneiric-proposed repository, added "video. brightness_ autoswitch_ via_bios= 1" to kernel command line and it works as supposed.