3 files changed, 116 insertions, 11 deletions

diff --git a/include/sound/soc-card.h b/include/sound/soc-card.h
index 9d31a5c0db33..fc94dfb0021f 100644
--- a/include/sound/soc-card.h
+++ b/include/sound/soc-card.h
@@ -9,10 +9,25 @@
 #define __SOC_CARD_H
 
 enum snd_soc_card_subclass {
-	SND_SOC_CARD_CLASS_INIT		= 0,
+	SND_SOC_CARD_CLASS_ROOT		= 0,
 	SND_SOC_CARD_CLASS_RUNTIME	= 1,
 };
 
+static inline void snd_soc_card_mutex_lock_root(struct snd_soc_card *card)
+{
+	mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_ROOT);
+}
+
+static inline void snd_soc_card_mutex_lock(struct snd_soc_card *card)
+{
+	mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
+}
+
+static inline void snd_soc_card_mutex_unlock(struct snd_soc_card *card)
+{
+	mutex_unlock(&card->mutex);
+}
+
 struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
 					       const char *name);
 int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
index 64915ebd641e..87f8e1793af1 100644
--- a/include/sound/soc-dapm.h
+++ b/include/sound/soc-dapm.h
@@ -527,11 +527,6 @@ enum snd_soc_dapm_type {
 	SND_SOC_DAPM_TYPE_COUNT
 };
 
-enum snd_soc_dapm_subclass {
-	SND_SOC_DAPM_CLASS_INIT		= 0,
-	SND_SOC_DAPM_CLASS_RUNTIME	= 1,
-};
-
 /*
  * DAPM audio route definition.
  *
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 3833184c187f..05004c048dd5 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1364,17 +1364,112 @@ extern struct dentry *snd_soc_debugfs_root;
 
 extern const struct dev_pm_ops snd_soc_pm_ops;
 
-/* Helper functions */
-static inline void snd_soc_dapm_mutex_lock(struct snd_soc_dapm_context *dapm)
+/*
+ *	DAPM helper functions
+ */
+enum snd_soc_dapm_subclass {
+	SND_SOC_DAPM_CLASS_ROOT		= 0,
+	SND_SOC_DAPM_CLASS_RUNTIME	= 1,
+};
+
+static inline void _snd_soc_dapm_mutex_lock_root_c(struct snd_soc_card *card)
+{
+	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_ROOT);
+}
+
+static inline void _snd_soc_dapm_mutex_lock_c(struct snd_soc_card *card)
+{
+	mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+}
+
+static inline void _snd_soc_dapm_mutex_unlock_c(struct snd_soc_card *card)
+{
+	mutex_unlock(&card->dapm_mutex);
+}
+
+static inline void _snd_soc_dapm_mutex_assert_held_c(struct snd_soc_card *card)
+{
+	lockdep_assert_held(&card->dapm_mutex);
+}
+
+static inline void _snd_soc_dapm_mutex_lock_root_d(struct snd_soc_dapm_context *dapm)
+{
+	_snd_soc_dapm_mutex_lock_root_c(dapm->card);
+}
+
+static inline void _snd_soc_dapm_mutex_lock_d(struct snd_soc_dapm_context *dapm)
+{
+	_snd_soc_dapm_mutex_lock_c(dapm->card);
+}
+
+static inline void _snd_soc_dapm_mutex_unlock_d(struct snd_soc_dapm_context *dapm)
+{
+	_snd_soc_dapm_mutex_unlock_c(dapm->card);
+}
+
+static inline void _snd_soc_dapm_mutex_assert_held_d(struct snd_soc_dapm_context *dapm)
+{
+	_snd_soc_dapm_mutex_assert_held_c(dapm->card);
+}
+
+#define snd_soc_dapm_mutex_lock_root(x) _Generic((x),			\
+	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_root_c, \
+	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_root_d)(x)
+#define snd_soc_dapm_mutex_lock(x) _Generic((x),			\
+	struct snd_soc_card * :		_snd_soc_dapm_mutex_lock_c,	\
+	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_lock_d)(x)
+#define snd_soc_dapm_mutex_unlock(x) _Generic((x),			\
+	struct snd_soc_card * :		_snd_soc_dapm_mutex_unlock_c,	\
+	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_unlock_d)(x)
+#define snd_soc_dapm_mutex_assert_held(x) _Generic((x),			\
+	struct snd_soc_card * :		_snd_soc_dapm_mutex_assert_held_c, \
+	struct snd_soc_dapm_context * :	_snd_soc_dapm_mutex_assert_held_d)(x)
+
+/*
+ *	PCM helper functions
+ */
+static inline void _snd_soc_dpcm_mutex_lock_c(struct snd_soc_card *card)
+{
+	mutex_lock_nested(&card->pcm_mutex, card->pcm_subclass);
+}
+
+static inline void _snd_soc_dpcm_mutex_unlock_c(struct snd_soc_card *card)
 {
-	mutex_lock_nested(&dapm->card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME);
+	mutex_unlock(&card->pcm_mutex);
 }
 
-static inline void snd_soc_dapm_mutex_unlock(struct snd_soc_dapm_context *dapm)
+static inline void _snd_soc_dpcm_mutex_assert_held_c(struct snd_soc_card *card)
 {
-	mutex_unlock(&dapm->card->dapm_mutex);
+	lockdep_assert_held(&card->pcm_mutex);
 }
 
+static inline void _snd_soc_dpcm_mutex_lock_r(struct snd_soc_pcm_runtime *rtd)
+{
+	_snd_soc_dpcm_mutex_lock_c(rtd->card);
+}
+
+static inline void _snd_soc_dpcm_mutex_unlock_r(struct snd_soc_pcm_runtime *rtd)
+{
+	_snd_soc_dpcm_mutex_unlock_c(rtd->card);
+}
+
+static inline void _snd_soc_dpcm_mutex_assert_held_r(struct snd_soc_pcm_runtime *rtd)
+{
+	_snd_soc_dpcm_mutex_assert_held_c(rtd->card);
+}
+
+#define snd_soc_dpcm_mutex_lock(x) _Generic((x),			\
+	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_lock_c,	\
+	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_lock_r)(x)
+
+#define snd_soc_dpcm_mutex_unlock(x) _Generic((x),			\
+	 struct snd_soc_card * :	_snd_soc_dpcm_mutex_unlock_c,	\
+	 struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_unlock_r)(x)
+
+#define snd_soc_dpcm_mutex_assert_held(x) _Generic((x),		\
+	struct snd_soc_card * :		_snd_soc_dpcm_mutex_assert_held_c, \
+	struct snd_soc_pcm_runtime * :	_snd_soc_dpcm_mutex_assert_held_r)(x)
+
 #include <sound/soc-component.h>
 #include <sound/soc-card.h>
 #include <sound/soc-jack.h>