Please install latest alsa daily dkms, then redo the test to see if it can fix this problem. If it can fix the problem, I am going to backport the fix to ubunutu utopic kernel. It is difficult to backport the fix to linux-3.13 since the fix relies on the pin quirk framework.
The fix for this problem should be: 2c609999 ** Changed in: hwe-next Importance: Undecided => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1418312 Title: [HP Pavilion 14 Notebook PC] Audio mute LED does not work on 14.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1418312/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs