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>

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 04e153a..b7d3439 100644 (file)
--- 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]);
        }
 }