ASoC: Add platform registration API
ASoC v2 allows platform drivers to instantiate independantly of the overall ASoC card. This API allows drivers to notify the core when they are registered. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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@ -149,6 +149,7 @@ struct snd_soc_ops;
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struct snd_soc_dai_mode;
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struct snd_soc_dai_mode;
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struct snd_soc_pcm_runtime;
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struct snd_soc_pcm_runtime;
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struct snd_soc_dai;
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struct snd_soc_dai;
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struct snd_soc_platform;
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struct snd_soc_codec;
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struct snd_soc_codec;
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struct soc_enum;
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struct soc_enum;
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struct snd_soc_ac97_ops;
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struct snd_soc_ac97_ops;
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@ -158,6 +159,9 @@ typedef int (*hw_read_t)(void *,char* ,int);
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extern struct snd_ac97_bus_ops soc_ac97_ops;
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extern struct snd_ac97_bus_ops soc_ac97_ops;
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int snd_soc_register_platform(struct snd_soc_platform *platform);
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void snd_soc_unregister_platform(struct snd_soc_platform *platform);
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/* pcm <-> DAI connect */
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/* pcm <-> DAI connect */
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void snd_soc_free_pcms(struct snd_soc_device *socdev);
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void snd_soc_free_pcms(struct snd_soc_device *socdev);
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int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
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int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid);
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@ -296,6 +300,7 @@ struct snd_soc_codec_device {
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/* SoC platform interface */
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/* SoC platform interface */
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struct snd_soc_platform {
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struct snd_soc_platform {
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char *name;
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char *name;
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struct list_head list;
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int (*probe)(struct platform_device *pdev);
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int (*probe)(struct platform_device *pdev);
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int (*remove)(struct platform_device *pdev);
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int (*remove)(struct platform_device *pdev);
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@ -46,6 +46,7 @@ static struct dentry *debugfs_root;
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static DEFINE_MUTEX(client_mutex);
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static DEFINE_MUTEX(client_mutex);
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static LIST_HEAD(card_list);
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static LIST_HEAD(card_list);
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static LIST_HEAD(dai_list);
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static LIST_HEAD(dai_list);
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static LIST_HEAD(platform_list);
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static int snd_soc_register_card(struct snd_soc_card *card);
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static int snd_soc_register_card(struct snd_soc_card *card);
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static int snd_soc_unregister_card(struct snd_soc_card *card);
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static int snd_soc_unregister_card(struct snd_soc_card *card);
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@ -2102,6 +2103,43 @@ void snd_soc_unregister_dais(struct snd_soc_dai *dai, size_t count)
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}
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}
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EXPORT_SYMBOL_GPL(snd_soc_unregister_dais);
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EXPORT_SYMBOL_GPL(snd_soc_unregister_dais);
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/**
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* snd_soc_register_platform - Register a platform with the ASoC core
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*
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* @param platform platform to register
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*/
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int snd_soc_register_platform(struct snd_soc_platform *platform)
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{
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if (!platform->name)
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return -EINVAL;
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INIT_LIST_HEAD(&platform->list);
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mutex_lock(&client_mutex);
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list_add(&platform->list, &platform_list);
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mutex_unlock(&client_mutex);
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pr_debug("Registered platform '%s'\n", platform->name);
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return 0;
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}
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EXPORT_SYMBOL_GPL(snd_soc_register_platform);
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/**
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* snd_soc_unregister_platform - Unregister a platform from the ASoC core
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*
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* @param platform platform to unregister
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*/
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void snd_soc_unregister_platform(struct snd_soc_platform *platform)
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{
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mutex_lock(&client_mutex);
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list_del(&platform->list);
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mutex_unlock(&client_mutex);
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pr_debug("Unregistered platform '%s'\n", platform->name);
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}
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EXPORT_SYMBOL_GPL(snd_soc_unregister_platform);
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static int __devinit snd_soc_init(void)
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static int __devinit snd_soc_init(void)
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{
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{
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#ifdef CONFIG_DEBUG_FS
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#ifdef CONFIG_DEBUG_FS
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