ALSA: HDA: Fixup unnecessary volume control index on Realtek ALC88x

Without this change, a volume control named "Surround" or "Side" would
get an unnecessary index, causing it to be ignored by the vmaster and
PulseAudio.

Tested-by: Bartłomiej Żogała <nusch88@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 6f59bcc..24bbc47 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5136,16 +5136,19 @@ static int alc880_auto_create_multi_out_ctls(struct alc_spec *spec,
                                return err;
                } else {
                        const char *name = pfx;
-                       if (!name)
+                       int index = i;
+                       if (!name) {
                                name = chname[i];
+                               index = 0;
+                       }
                        err = __add_pb_vol_ctrl(spec, ALC_CTL_WIDGET_VOL,
-                                               name, i,
+                                               name, index,
                                          HDA_COMPOSE_AMP_VAL(nid, 3, 0,
                                                              HDA_OUTPUT));
                        if (err < 0)
                                return err;
                        err = __add_pb_sw_ctrl(spec, ALC_CTL_BIND_MUTE,
-                                              name, i,
+                                              name, index,
                                          HDA_COMPOSE_AMP_VAL(nid, 3, 2,
                                                              HDA_INPUT));
                        if (err < 0)