Please do the test under ubuntu-14.04 as below: generate a file named 60-dell-mic-mute-hotkey.hwdb and place the file at /etc/udev/hwdb.d/
add the content below into the 60-dell-mic-mute-hotkey.hwdb: # Dell platform kernel driver keyboard:name:Dell WMI hotkeys:dmi:bvn*:bvr*:bd*:svnDell*:pn* KEYBOARD_KEY_150=f20 # Mic mute toggle Then run the command below to update the udev database: sudo udevadm hwdb -u then re-test mic mute function on this machine or use showkey -k to test This should fix the mic mute hotkey problem, but it can't help to fix the mic mute led problem, to fix mic mute led problem, it needs kernel driver modification. Let's look at if the above fix can fix the hotkey problem or not. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1339998 Title: [Dell Latitude 12 Rugged Extreme 7204] Microphone mute key does not work To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1339998/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
