This may be related to bug #257827, on that bug we have built some test kernels with fixes for some systems which show this issue. If you are running/able to test with intrepid kernels there are some recent test kernels at the url below. If you could test those and report back that would be useful:
http://people.ubuntu.com/~apw/lp257827/ -- Screen brightness double level changes https://bugs.launchpad.net/bugs/207473 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