Maybe related to https://bugs.freedesktop.org/show_bug.cgi?id=23023 as well?
** Bug watch added: freedesktop.org Bugzilla #23023 https://bugs.freedesktop.org/show_bug.cgi?id=23023 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/551668 Title: Fn+F5 and Fn+F6 don't modify brightness on Sony VAIO VPCCW (GT 230M) To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/551668/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs