ASoC: arizona: Add signal activity output for DRC

[karo-tx-linux.git] / sound / soc / codecs / arizona.c

diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c
index de625813c0e65c7aff7807d6904c53d2c581249d..c9116ac0d4a7d447d38ad4030c16045d22d1dc0c 100644 (file)
--- a/sound/soc/codecs/arizona.c
+++ b/sound/soc/codecs/arizona.c
@@ -19,6 +19,7 @@
 #include <sound/tlv.h>
 
 #include <linux/mfd/arizona/core.h>
+#include <linux/mfd/arizona/gpio.h>
 #include <linux/mfd/arizona/registers.h>
 
 #include "arizona.h"
@@ -223,6 +224,38 @@ int arizona_init_spk(struct snd_soc_codec *codec)
 }
 EXPORT_SYMBOL_GPL(arizona_init_spk);
 
+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);
+
 const char *arizona_mixer_texts[ARIZONA_NUM_MIXER_INPUTS] = {
        "None",
        "Tone Generator 1",