The mute LED states have to be restored after resume.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70351
Cc: <stable@vger.kernel.org> [v3.13+]
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NMatthew Garrett <matthew.garrett@nebula.com>