i changed the IBM section to match all ThinkPads for now, please check for whom it fixes the issue and report back.
hal (0.5.8.1-4ubuntu6) feisty; urgency=low . * add 60_fix_thinkpad_fdi_entries.patch to hopefully fix IBM ThinkPad brightness key handling for all think pads reporting IBM as vendor instead of LENOVO (malone bug #81407) -- [Feisty] Thinkpad (all models) 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