Hi Joseph, I did test this with the mainline kernel. It doesn't fix the issue with the brightness keys and also breaks all networking (ethernet and wifi)
Tested with linux- image-3.5.0-030500rc6-generic_3.5.0-030500rc6.201207072135_amd64 ** Tags removed: needs-upstream-testing ** Tags added: kernel-bug-exists-upstream -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1023002 Title: [Lenovo X121e] Brightness key events are multiplied To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1023002/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs