[ALSA] hda-codec - Control SPDIF as slave

Add SPDIF playback switch to the slave element list so that it
can be toggled via the master control as well.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 8621c9f2eafd..586d98f1b63d 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1492,6 +1492,7 @@ static const char *alc_slave_sws[] = {
         "Headphone Playback Switch",
         "Speaker Playback Switch",
         "Mono Playback Switch",
+        "IEC958 Playback Switch",
         NULL,
 };