1 files changed, 39 insertions, 8 deletions

diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index b680b4ec6331..8ec5289f8e05 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -687,12 +687,45 @@ static int get_amp_val_to_activate(struct hda_codec *codec, hda_nid_t nid,
         return val;
 }
 
+/* is this a stereo widget or a stereo-to-mono mix? */
+static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid, int dir)
+{
+        unsigned int wcaps = get_wcaps(codec, nid);
+        hda_nid_t conn;
+
+        if (wcaps & AC_WCAP_STEREO)
+                return true;
+        if (dir != HDA_INPUT || get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
+                return false;
+        if (snd_hda_get_num_conns(codec, nid) != 1)
+                return false;
+        if (snd_hda_get_connections(codec, nid, &conn, 1) < 0)
+                return false;
+        return !!(get_wcaps(codec, conn) & AC_WCAP_STEREO);
+}
+
 /* initialize the amp value (only at the first time) */
 static void init_amp(struct hda_codec *codec, hda_nid_t nid, int dir, int idx)
 {
         unsigned int caps = query_amp_caps(codec, nid, dir);
         int val = get_amp_val_to_activate(codec, nid, dir, caps, false);
-        snd_hda_codec_amp_init_stereo(codec, nid, dir, idx, 0xff, val);
+
+        if (is_stereo_amps(codec, nid, dir))
+                snd_hda_codec_amp_init_stereo(codec, nid, dir, idx, 0xff, val);
+        else
+                snd_hda_codec_amp_init(codec, nid, 0, dir, idx, 0xff, val);
+}
+
+/* update the amp, doing in stereo or mono depending on NID */
+static int update_amp(struct hda_codec *codec, hda_nid_t nid, int dir, int idx,
+                      unsigned int mask, unsigned int val)
+{
+        if (is_stereo_amps(codec, nid, dir))
+                return snd_hda_codec_amp_stereo(codec, nid, dir, idx,
+                                                mask, val);
+        else
+                return snd_hda_codec_amp_update(codec, nid, 0, dir, idx,
+                                                mask, val);
 }
 
 /* calculate amp value mask we can modify;
@@ -732,7 +765,7 @@ static void activate_amp(struct hda_codec *codec, hda_nid_t nid, int dir,
                 return;
 
         val &= mask;
-        snd_hda_codec_amp_stereo(codec, nid, dir, idx, mask, val);
+        update_amp(codec, nid, dir, idx, mask, val);
 }
 
 static void activate_amp_out(struct hda_codec *codec, struct nid_path *path,
@@ -4424,13 +4457,11 @@ static void mute_all_mixer_nid(struct hda_codec *codec, hda_nid_t mix)
         has_amp = nid_has_mute(codec, mix, HDA_INPUT);
         for (i = 0; i < nums; i++) {
                 if (has_amp)
-                        snd_hda_codec_amp_stereo(codec, mix,
-                                                 HDA_INPUT, i,
-                                                 0xff, HDA_AMP_MUTE);
+                        update_amp(codec, mix, HDA_INPUT, i,
+                                   0xff, HDA_AMP_MUTE);
                 else if (nid_has_volume(codec, conn[i], HDA_OUTPUT))
-                        snd_hda_codec_amp_stereo(codec, conn[i],
-                                                 HDA_OUTPUT, 0,
-                                                 0xff, HDA_AMP_MUTE);
+                        update_amp(codec, conn[i], HDA_OUTPUT, 0,
+                                   0xff, HDA_AMP_MUTE);
         }
 }