@marko: What exactly do you mean by the capacitive button doesn't deactivate? Do you mean that it's lit up white or green from a notification and you'd expect it to turn off, or just that it should no longer be lit up as white when the screen is locked during music playback?
Can you also try another thing:
1. Start playing a video from the video scope.
2. Lock the screen and verify that video playback has paused.
3. Does the lit button turn off?
@marko: What exactly do you mean by the capacitive button doesn't deactivate? Do you mean that it's lit up white or green from a notification and you'd expect it to turn off, or just that it should no longer be lit up as white when the screen is locked during music playback?
Can you also try another thing:
1. Start playing a video from the video scope.
2. Lock the screen and verify that video playback has paused.
3. Does the lit button turn off?