It worked for me (using Gnome) for some months, but now it is broken again, see bug 105512.
-- Brightness key stopped working after update [Gutsy] https://bugs.launchpad.net/bugs/145337 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
