I'm afraid Edgy is out of the question. Either a patch is included to give feisty that functionality or it's going in feisty+1 as ubuntu syncs with the updated debian package.
** Changed in: hal (Ubuntu) Status: Unconfirmed => Confirmed -- Dell Laptops don't talk to HAL about brightness correctly https://launchpad.net/bugs/43572 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs