+int arizona_init_gpio(struct snd_soc_codec *codec)
+{
+ struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec);
+ struct arizona *arizona = priv->arizona;
+ int i;
+
+ switch (arizona->type) {
+ case WM5110:
+ snd_soc_dapm_disable_pin(&codec->dapm, "DRC2 Signal Activity");
+ }
+
+ snd_soc_dapm_disable_pin(&codec->dapm, "DRC1 Signal Activity");
+
+ for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) {
+ switch (arizona->pdata.gpio_defaults[i] & ARIZONA_GPN_FN_MASK) {
+ case ARIZONA_GP_FN_DRC1_SIGNAL_DETECT:
+ snd_soc_dapm_enable_pin(&codec->dapm,
+ "DRC1 Signal Activity");
+ break;
+ case ARIZONA_GP_FN_DRC2_SIGNAL_DETECT:
+ snd_soc_dapm_enable_pin(&codec->dapm,
+ "DRC2 Signal Activity");
+ break;
+ default:
+ break;
+ }
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(arizona_init_gpio);
+