ALSA: hda - Don't set invalid connection index in Realtek initialiaiton

Skip initialization of connections of DAC widgets that aren't used,
which resulted in invalid verb parameters.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 053d53d8c8b2..9a23444e9e7a 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -10043,8 +10043,11 @@ static void alc882_auto_set_output_and_unmute(struct hda_codec *codec,
         alc_set_pin_output(codec, nid, pin_type);
         if (spec->multiout.dac_nids[dac_idx] == 0x25)
                 idx = 4;
-        else
+        else {
+                if (spec->multiout.num_dacs >= dac_idx)
+                        return;
                 idx = spec->multiout.dac_nids[dac_idx] - 2;
+        }
         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, idx);
 
 }