+/* labels for dmic mux inputs */
+const char *stac92xx_dmic_labels[5] = {
+ "Analog Inputs", "Digital Mic 1", "Digital Mic 2",
+ "Digital Mic 3", "Digital Mic 4"
+};
+
+/* create playback/capture controls for input pins on dmic capable codecs */
+static int stac92xx_auto_create_dmic_input_ctls(struct hda_codec *codec,
+ const struct auto_pin_cfg *cfg)
+{
+ struct sigmatel_spec *spec = codec->spec;
+ struct hda_input_mux *dimux = &spec->private_dimux;
+ hda_nid_t con_lst[HDA_MAX_NUM_INPUTS];
+ int i, j;
+
+ dimux->items[dimux->num_items].label = stac92xx_dmic_labels[0];
+ dimux->items[dimux->num_items].index = 0;
+ dimux->num_items++;
+
+ for (i = 0; i < spec->num_dmics; i++) {
+ int index;
+ int num_cons;
+ unsigned int def_conf;
+
+ def_conf = snd_hda_codec_read(codec,
+ spec->dmic_nids[i],
+ 0,
+ AC_VERB_GET_CONFIG_DEFAULT,
+ 0);
+ if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE)
+ continue;
+
+ num_cons = snd_hda_get_connections(codec,
+ spec->dmux_nid,
+ con_lst,
+ HDA_MAX_NUM_INPUTS);
+ for (j = 0; j < num_cons; j++)
+ if (con_lst[j] == spec->dmic_nids[i]) {
+ index = j;
+ goto found;
+ }
+ continue;
+found:
+ dimux->items[dimux->num_items].label =
+ stac92xx_dmic_labels[dimux->num_items];
+ dimux->items[dimux->num_items].index = index;
+ dimux->num_items++;
+ }
+
+ return 0;
+}
+