Comment 20 for bug 1214148

Additional information:

While debugging another issue on this same laptop (https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1214180) I installed and booted into the latest mainline kernel (labeled v3.11-rc6-saucy, following instructions on https://wiki.ubuntu.com/KernelMainlineBuilds

This kernel did **not** fix my brightness problems. Then again, it is probably not a kernel bug so maybe this information is not helpful, but I thought I'd post it just in case.