After talking to YK, I'm closing this due to lack of responses. Feel free to reopen if you would like to take this up again, and also have the time to run kernel bisects etc.
** Changed in: alsa-driver (Ubuntu) Status: Incomplete => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/950494 Title: [Macbook Air 3,2] headset mic not recognized To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/950494/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs