ALSA: hda - Mute unused capture sources for Realtek codecs

[pandora-kernel.git] / sound / pci / hda / patch_realtek.c

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a24e068..308bb57 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -284,7 +284,7 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
        struct alc_spec *spec = codec->spec;
        const struct hda_input_mux *imux;
        unsigned int mux_idx;
-       int i, type;
+       int i, type, num_conns;
        hda_nid_t nid;
 
        mux_idx = adc_idx >= spec->num_mux_defs ? 0 : adc_idx;
@@ -307,16 +307,17 @@ static int alc_mux_select(struct hda_codec *codec, unsigned int adc_idx,
                spec->capsrc_nids[adc_idx] : spec->adc_nids[adc_idx];
 
        /* no selection? */
-       if (snd_hda_get_conn_list(codec, nid, NULL) <= 1)
+       num_conns = snd_hda_get_conn_list(codec, nid, NULL);
+       if (num_conns <= 1)
                return 1;
 
        type = get_wcaps_type(get_wcaps(codec, nid));
        if (type == AC_WID_AUD_MIX) {
                /* Matrix-mixer style (e.g. ALC882) */
-               for (i = 0; i < imux->num_items; i++) {
-                       unsigned int v = (i == idx) ? 0 : HDA_AMP_MUTE;
-                       snd_hda_codec_amp_stereo(codec, nid, HDA_INPUT,
-                                                imux->items[i].index,
+               int active = imux->items[idx].index;
+               for (i = 0; i < num_conns; i++) {
+                       unsigned int v = (i == active) ? 0 : HDA_AMP_MUTE;
+                       snd_hda_codec_amp_stereo(codec, nid, HDA_INPUT, i,
                                                 HDA_AMP_MUTE, v);
                }
        } else {