The recently uploaded kernel (2.6.24-14) seems to have fixed this for me. I guess the patch attached in bug 205261 is the actual fix.
-- [REGRESSION] Impossible to change LCD brightness on Thinkpad R61/T61/X61 https://bugs.launchpad.net/bugs/198476 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs