Indeed, the 12.04 beta 1 (updated) works on my netbook HP Mini. I've taken the liberty of marking the bug as Fix Committed.
** Changed in: ubuntu Status: Confirmed => Fix Committed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/842459 Title: screen brightness is inverted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/842459/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs