There are some improvements in this area in the upstream 3.9-rc1 and 3.8.2 kernels - see https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c11ac2aa520b4777e5b063f8d8e99ce00337dcd9 and https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=da8506288fc4b2cc62d0ba477c2fe2a16f8891b0
While not directly related to this bug, you might also be interested in another patch which is also in the upstream 3.9-rc1 and 3.8.2 kernels - https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0de6575ad0a8f19ccf91d6e783b2a1bba0edb7a5 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/415023 Title: brightness is broken on MSI WIND U100 To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-power/+bug/415023/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs