Same problem on MacBrookPro4.1 Have tried the nvidiabl module, but no luck yet. It did work in 11.10 and other previous version
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1020373 Title: Brightness control not working on Ubuntu 12.04(mac) Status in “gnome-control-center” package in Ubuntu: Confirmed Bug description: On imac 2011(12,1) 21,1 inches; using the keyboard brightness keys shows the brightness increasing or decreasing; but the brightness itself does not change in any way; by default brightness will be set to full by ubuntu. I was only able to change brightness with AMD catalyst or xrandr --output LVDS --brightness 0.9. Ubuntu also does not recognize the imac auto-brightness hardware I guess. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1020373/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
