[PATCH 3.16.y-ckt 013/129] ALSA: hda - Add mute-LED mode control to Thinkpad

[Luis Henriques]

3.16.7-ckt12 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Takashi Iwai <tiwai at suse.de>

commit 7290006d8c0900c56d8c58428134f02c35109d17 upstream.

This patch adds the missing flag to enable "Mute-LED Mode" mixer enum
ctl for Thinkpads that have also the software mute-LED control.

Reported-and-tested-by: Pali Rohár <pali.rohar at gmail.com>
Signed-off-by: Takashi Iwai <tiwai at suse.de>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 sound/pci/hda/thinkpad_helper.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/pci/hda/thinkpad_helper.c b/sound/pci/hda/thinkpad_helper.c
index 6ba0b5517c40..2341fc334163 100644
--- a/sound/pci/hda/thinkpad_helper.c
+++ b/sound/pci/hda/thinkpad_helper.c
@@ -72,6 +72,7 @@ static void hda_fixup_thinkpad_acpi(struct hda_codec *codec,
 		if (led_set_func(TPACPI_LED_MUTE, false) >= 0) {
 			old_vmaster_hook = spec->vmaster_mute.hook;
 			spec->vmaster_mute.hook = update_tpacpi_mute_led;
+			spec->vmaster_mute_enum = 1;
 			removefunc = false;
 		}
 		if (led_set_func(TPACPI_LED_MICMUTE, false) >= 0) {