Bug #81920 claims that the problem is because "Brightness is 0 due to setting a non-schema value"
** Tags added: feisty-regression -- [Feisty] Thinkpad R51 LCD brightness control cycles between lowest settings only https://launchpad.net/bugs/81407 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
