ALSA: hda - Fix Line Out automute on Realtek multifunction jacks

In case there is both a multifunction headset jack and a Line Out
jack, automuting was not working properly from the Line Out jack.
This patch fixes that issue.

Cc: stable@vger.kernel.org (3.10+)
BugLink: https://bugs.launchpad.net/bugs/1250377
Tested-by: Cyrus Lien <cyrus.lien@canonical.com>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/patch_realtek.c

@@ -3344,8 +3344,10 @@ static void alc_update_headset_mode(struct hda_codec *codec)
 	else
 		new_headset_mode = ALC_HEADSET_MODE_HEADPHONE;
 
-	if (new_headset_mode == spec->current_headset_mode)
+	if (new_headset_mode == spec->current_headset_mode) {
+		snd_hda_gen_update_outputs(codec);
 		return;
+	}
 
 	switch (new_headset_mode) {
 	case ALC_HEADSET_MODE_UNPLUGGED: