--- /dev/null
+From: Takashi Iwai <tiwai@suse.de>
+Subject: ALSA: hda - Fix SPDIF mute on IDT/STAC codecs
+Patch-mainline: 2.6.28-rc3
+References:
+
+The SPDIF mute switch code seems broken. It doesn't set unmute bits
+properly. Also it contains the duplicated lines (merge error?) to be
+cleaned up.
+
+Signed-off-by: Takashi Iwai <tiwai@suse.de>
+
+---
+ sound/pci/hda/patch_sigmatel.c | 4 +---
+ 1 file changed, 1 insertion(+), 3 deletions(-)
+
+--- a/sound/pci/hda/patch_sigmatel.c
++++ b/sound/pci/hda/patch_sigmatel.c
+@@ -567,10 +567,8 @@ static int stac92xx_smux_enum_put(struct
+ nid = codec->slave_dig_outs[smux_idx - 1];
+ if (spec->cur_smux[smux_idx] == smux->num_items - 1)
+ val = AMP_OUT_MUTE;
+- if (smux_idx == 0)
+- nid = spec->multiout.dig_out_nid;
+ else
+- nid = codec->slave_dig_outs[smux_idx - 1];
++ val = AMP_OUT_UNMUTE;
+ /* un/mute SPDIF out */
+ snd_hda_codec_write_cache(codec, nid, 0,
+ AC_VERB_SET_AMP_GAIN_MUTE, val);