The key events need to be generated in order to trigger the brightness information. /usr/share/hal/fdi/policy/10osvendor/10-laptop-panel-mgmt-policy.fdi needs fixing to recognise all Thinkpads, rather than the somewhat bizarre subset that it currently does. This isn't a g-p-m issue, unless it's ignoring that key.
-- [Feisty] Thinkpad R51 LCD brightness control cycles between lowest settings only https://launchpad.net/bugs/81407 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs