For trusty, I made a patch to disable input bar when there are no input devices.
** Also affects: unity-control-center (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1291862 Title: [soundnua]mic volume adjust bar is gray if you open sound-nua input tab earlier than plugging micphone To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-control-center/+bug/1291862/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs