ALSA: hda - Allow multiple imux for matrix-type mixers of ALC codecs

Allow the multiple imux instances for matrix-type mixers like ALC882.
So far, only ALC260 used this feature, but other codecs may need a
similar stuff.

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

1 files changed, 6 insertions, 5 deletions

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 04e153a77dbc..b7d34390eff4 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -382,11 +382,15 @@ static int alc_mux_enum_put(struct snd_kcontrol *kcontrol,
 {
         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
         struct alc_spec *spec = codec->spec;
-        const struct hda_input_mux *imux = spec->input_mux;
+        const struct hda_input_mux *imux;
         unsigned int adc_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
+        unsigned int mux_idx;
         hda_nid_t nid = spec->capsrc_nids ?
                 spec->capsrc_nids[adc_idx] : spec->adc_nids[adc_idx];
 
+        mux_idx = adc_idx >= spec->num_mux_defs ? 0 : adc_idx;
+        imux = &spec->input_mux[mux_idx];
+
         if (spec->is_mix_capture) {
                 /* Matrix-mixer style (e.g. ALC882) */
                 unsigned int *cur_val = &spec->cur_mux[adc_idx];
@@ -407,10 +411,7 @@ static int alc_mux_enum_put(struct snd_kcontrol *kcontrol,
                 return 1;
         } else {
                 /* MUX style (e.g. ALC880) */
-                unsigned int mux_idx;
-                mux_idx = adc_idx >= spec->num_mux_defs ? 0 : adc_idx;
-                return snd_hda_input_mux_put(codec, &spec->input_mux[mux_idx],
-                                             ucontrol, nid,
+                return snd_hda_input_mux_put(codec, imux, ucontrol, nid,
                                              &spec->cur_mux[adc_idx]);
         }
 }