ASoC: snd_soc_[un]register_dai[s]() become non global function

All drivers are using snd_soc_register_component()
instead of snd_soc_register_dai[s]()
snd_soc_[un]register_dai[s]() are no longer needed

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

include/sound/soc-dai.h

@@ -95,14 +95,6 @@ struct snd_soc_dai_driver;
 struct snd_soc_dai;
 struct snd_ac97_bus_ops;
 
-/* Digital Audio Interface registration */
-int snd_soc_register_dai(struct device *dev,
-		struct snd_soc_dai_driver *dai_drv);
-void snd_soc_unregister_dai(struct device *dev);
-int snd_soc_register_dais(struct device *dev,
-		struct snd_soc_dai_driver *dai_drv, size_t count);
-void snd_soc_unregister_dais(struct device *dev, size_t count);
-
 /* Digital Audio Interface clocking API.*/
 int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
 	unsigned int freq, int dir);

sound/soc/soc-core.c

@@ -3739,7 +3739,7 @@ static inline char *fmt_multiple_name(struct device *dev,
  *
  * @dai: DAI to register
  */
-int snd_soc_register_dai(struct device *dev,
+static int snd_soc_register_dai(struct device *dev,
 		struct snd_soc_dai_driver *dai_drv)
 {
 	struct snd_soc_codec *codec;
@@ -3786,14 +3786,13 @@ int snd_soc_register_dai(struct device *dev,
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(snd_soc_register_dai);
 
 /**
  * snd_soc_unregister_dai - Unregister a DAI from the ASoC core
  *
  * @dai: DAI to unregister
  */
-void snd_soc_unregister_dai(struct device *dev)
+static void snd_soc_unregister_dai(struct device *dev)
 {
 	struct snd_soc_dai *dai;
 
@@ -3812,7 +3811,6 @@ found:
 	kfree(dai->name);
 	kfree(dai);
 }
-EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
 
 /**
  * snd_soc_register_dais - Register multiple DAIs with the ASoC core
@@ -3820,7 +3818,7 @@ EXPORT_SYMBOL_GPL(snd_soc_unregister_dai);
  * @dai: Array of DAIs to register
  * @count: Number of DAIs
  */
-int snd_soc_register_dais(struct device *dev,
+static int snd_soc_register_dais(struct device *dev,
 		struct snd_soc_dai_driver *dai_drv, size_t count)
 {
 	struct snd_soc_codec *codec;
@@ -3884,7 +3882,6 @@ err:
 
 	return ret;
 }
-EXPORT_SYMBOL_GPL(snd_soc_register_dais);
 
 /**
  * snd_soc_unregister_dais - Unregister multiple DAIs from the ASoC core
@@ -3892,14 +3889,13 @@ EXPORT_SYMBOL_GPL(snd_soc_register_dais);
  * @dai: Array of DAIs to unregister
  * @count: Number of DAIs
  */
-void snd_soc_unregister_dais(struct device *dev, size_t count)
+static void snd_soc_unregister_dais(struct device *dev, size_t count)
 {
 	int i;
 
 	for (i = 0; i < count; i++)
 		snd_soc_unregister_dai(dev);
 }
-EXPORT_SYMBOL_GPL(snd_soc_unregister_dais);
 
 /**
  * snd_soc_register_platform - Register a platform with the ASoC core