ALSA: hda - Check widget types while parsing capture source in patch_via.c

Check the widget type and don't take invalid widgets while parsing
the capture source in patch_via.c.

Also, fixed some compile warnings introduced in the previous commit.

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

1 files changed, 5 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 38db45964228..9008b4b013aa 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -392,7 +392,6 @@ static int via_mux_enum_put(struct snd_kcontrol *kcontrol,
         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
         struct via_spec *spec = codec->spec;
         unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
-        unsigned int vendor_id = codec->vendor_id;
 
         if (!spec->mux_nids[adc_idx])
                 return -EINVAL;
@@ -1340,6 +1339,10 @@ static int get_mux_nids(struct hda_codec *codec)
         for (i = 0; i < spec->num_adc_nids; i++) {
                 nid = spec->adc_nids[i];
                 while (nid) {
+                        type = (get_wcaps(codec, nid) & AC_WCAP_TYPE)
+                                >> AC_WCAP_TYPE_SHIFT;
+                        if (type == AC_WID_PIN)
+                                break;
                         n = snd_hda_get_connections(codec, nid, conn,
                                                     ARRAY_SIZE(conn));
                         if (n <= 0)
@@ -1351,6 +1354,7 @@ static int get_mux_nids(struct hda_codec *codec)
                         nid = conn[0];
                 }
         }
+        return 0;
 }
 
 static int patch_vt1708(struct hda_codec *codec)