Marc, do you get output of keymap for mute key if you provide the other input event file?
That is, in your previous test, if you did sudo /lib/udev/keymap -i /dev/input/event7, instead of event3.
Marc, do you get output of keymap for mute key if you provide the other input event file?
That is, in your previous test, if you did sudo /lib/udev/keymap -i /dev/input/event7, instead of event3.