After add the " /etc/udev/hwdb.d/60-dell-mic-mute-hotkey.hwdb" and update the database, the mic mute hotkey can work.
The above dkms (in the comment #5) is for fixing the mic mute led problem. Please test it. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1381856 Title: [Dell Latitude E5550] Microphone mute key does not work on this system To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1381856/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
