Merge remote-tracking branch 'asoc/topic/core' into asoc-next

include/sound/soc.h

@@ -480,6 +480,8 @@ int devm_snd_soc_register_component(struct device *dev,
 			 const struct snd_soc_component_driver *component_driver,
 			 struct snd_soc_dai_driver *dai_drv, int num_dai);
 void snd_soc_unregister_component(struct device *dev);
+struct snd_soc_component *snd_soc_lookup_component(struct device *dev,
+						   const char *driver_name);
 int snd_soc_cache_init(struct snd_soc_codec *codec);
 int snd_soc_cache_exit(struct snd_soc_codec *codec);
 
@@ -800,6 +802,10 @@ struct snd_soc_component_driver {
 	int (*suspend)(struct snd_soc_component *);
 	int (*resume)(struct snd_soc_component *);
 
+	/* pcm creation and destruction */
+	int (*pcm_new)(struct snd_soc_pcm_runtime *);
+	void (*pcm_free)(struct snd_pcm *);
+
 	/* component wide operations */
 	int (*set_sysclk)(struct snd_soc_component *component,
 			  int clk_id, int source, unsigned int freq, int dir);
@@ -817,10 +823,22 @@ struct snd_soc_component_driver {
 	void (*seq_notifier)(struct snd_soc_component *, enum snd_soc_dapm_type,
 		int subseq);
 	int (*stream_event)(struct snd_soc_component *, int event);
+	int (*set_bias_level)(struct snd_soc_component *component,
+			      enum snd_soc_bias_level level);
+
+	const struct snd_pcm_ops *ops;
+	const struct snd_compr_ops *compr_ops;
 
 	/* probe ordering - for components with runtime dependencies */
 	int probe_order;
 	int remove_order;
+
+	/* bits */
+	unsigned int idle_bias_on:1;
+	unsigned int suspend_bias_off:1;
+	unsigned int pmdown_time:1; /* care pmdown_time at stop */
+	unsigned int endianness:1;
+	unsigned int non_legacy_dai_naming:1;
 };
 
 struct snd_soc_component {
@@ -877,6 +895,8 @@ struct snd_soc_component {
 	void (*remove)(struct snd_soc_component *);
 	int (*suspend)(struct snd_soc_component *);
 	int (*resume)(struct snd_soc_component *);
+	int (*pcm_new)(struct snd_soc_component *, struct snd_soc_pcm_runtime *);
+	void (*pcm_free)(struct snd_soc_component *, struct snd_pcm *);
 
 	int (*set_sysclk)(struct snd_soc_component *component,
 			  int clk_id, int source, unsigned int freq, int dir);
@@ -884,6 +904,8 @@ struct snd_soc_component {
 		       int source, unsigned int freq_in, unsigned int freq_out);
 	int (*set_jack)(struct snd_soc_component *component,
 			struct snd_soc_jack *jack,  void *data);
+	int (*set_bias_level)(struct snd_soc_component *component,
+			      enum snd_soc_bias_level level);
 
 	/* machine specific init */
 	int (*init)(struct snd_soc_component *component);
@@ -1417,6 +1439,21 @@ static inline void snd_soc_codec_init_bias_level(struct snd_soc_codec *codec,
 	snd_soc_dapm_init_bias_level(snd_soc_codec_get_dapm(codec), level);
 }
 
+/**
+ * snd_soc_component_init_bias_level() - Initialize COMPONENT DAPM bias level
+ * @component: The COMPONENT for which to initialize the DAPM bias level
+ * @level: The DAPM level to initialize to
+ *
+ * Initializes the COMPONENT DAPM bias level. See snd_soc_dapm_init_bias_level().
+ */
+static inline void
+snd_soc_component_init_bias_level(struct snd_soc_component *component,
+				  enum snd_soc_bias_level level)
+{
+	snd_soc_dapm_init_bias_level(
+		snd_soc_component_get_dapm(component), level);
+}
+
 /**
  * snd_soc_dapm_get_bias_level() - Get current CODEC DAPM bias level
  * @codec: The CODEC for which to get the DAPM bias level
@@ -1429,6 +1466,19 @@ static inline enum snd_soc_bias_level snd_soc_codec_get_bias_level(
 	return snd_soc_dapm_get_bias_level(snd_soc_codec_get_dapm(codec));
 }
 
+/**
+ * snd_soc_component_get_bias_level() - Get current COMPONENT DAPM bias level
+ * @component: The COMPONENT for which to get the DAPM bias level
+ *
+ * Returns: The current DAPM bias level of the COMPONENT.
+ */
+static inline enum snd_soc_bias_level
+snd_soc_component_get_bias_level(struct snd_soc_component *component)
+{
+	return snd_soc_dapm_get_bias_level(
+		snd_soc_component_get_dapm(component));
+}
+
 /**
  * snd_soc_codec_force_bias_level() - Set the CODEC DAPM bias level
  * @codec: The CODEC for which to set the level
@@ -1444,6 +1494,23 @@ static inline int snd_soc_codec_force_bias_level(struct snd_soc_codec *codec,
 		level);
 }
 
+/**
+ * snd_soc_component_force_bias_level() - Set the COMPONENT DAPM bias level
+ * @component: The COMPONENT for which to set the level
+ * @level: The level to set to
+ *
+ * Forces the COMPONENT bias level to a specific state. See
+ * snd_soc_dapm_force_bias_level().
+ */
+static inline int
+snd_soc_component_force_bias_level(struct snd_soc_component *component,
+				   enum snd_soc_bias_level level)
+{
+	return snd_soc_dapm_force_bias_level(
+		snd_soc_component_get_dapm(component),
+		level);
+}
+
 /**
  * snd_soc_dapm_kcontrol_codec() - Returns the codec associated to a kcontrol
  * @kcontrol: The kcontrol
@@ -1457,6 +1524,19 @@ static inline struct snd_soc_codec *snd_soc_dapm_kcontrol_codec(
 	return snd_soc_dapm_to_codec(snd_soc_dapm_kcontrol_dapm(kcontrol));
 }
 
+/**
+ * snd_soc_dapm_kcontrol_component() - Returns the component associated to a kcontrol
+ * @kcontrol: The kcontrol
+ *
+ * This function must only be used on DAPM contexts that are known to be part of
+ * a COMPONENT (e.g. in a COMPONENT driver). Otherwise the behavior is undefined.
+ */
+static inline struct snd_soc_component *snd_soc_dapm_kcontrol_component(
+	struct snd_kcontrol *kcontrol)
+{
+	return snd_soc_dapm_to_component(snd_soc_dapm_kcontrol_dapm(kcontrol));
+}
+
 /* codec IO */
 unsigned int snd_soc_read(struct snd_soc_codec *codec, unsigned int reg);
 int snd_soc_write(struct snd_soc_codec *codec, unsigned int reg,
@@ -1473,9 +1553,23 @@ static inline int snd_soc_cache_sync(struct snd_soc_codec *codec)
 	return regcache_sync(codec->component.regmap);
 }
 
+/**
+ * snd_soc_component_cache_sync() - Sync the register cache with the hardware
+ * @component: COMPONENT to sync
+ *
+ * Note: This function will call regcache_sync()
+ */
+static inline int snd_soc_component_cache_sync(
+	struct snd_soc_component *component)
+{
+	return regcache_sync(component->regmap);
+}
+
 /* component IO */
 int snd_soc_component_read(struct snd_soc_component *component,
 	unsigned int reg, unsigned int *val);
+unsigned int snd_soc_component_read32(struct snd_soc_component *component,
+				      unsigned int reg);
 int snd_soc_component_write(struct snd_soc_component *component,
 	unsigned int reg, unsigned int val);
 int snd_soc_component_update_bits(struct snd_soc_component *component,

sound/soc/soc-dapm.c

@@ -3681,7 +3681,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 	switch (event) {
 	case SND_SOC_DAPM_PRE_PMU:
 		substream.stream = SNDRV_PCM_STREAM_CAPTURE;
-		if (source->driver->ops && source->driver->ops->startup) {
+		if (source->driver->ops->startup) {
 			ret = source->driver->ops->startup(&substream, source);
 			if (ret < 0) {
 				dev_err(source->dev,
@@ -3695,7 +3695,7 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 			goto out;
 
 		substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
-		if (sink->driver->ops && sink->driver->ops->startup) {
+		if (sink->driver->ops->startup) {
 			ret = sink->driver->ops->startup(&substream, sink);
 			if (ret < 0) {
 				dev_err(sink->dev,
@@ -3725,13 +3725,13 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
 		ret = 0;
 
 		source->active--;
-		if (source->driver->ops && source->driver->ops->shutdown) {
+		if (source->driver->ops->shutdown) {
 			substream.stream = SNDRV_PCM_STREAM_CAPTURE;
 			source->driver->ops->shutdown(&substream, source);
 		}
 
 		sink->active--;
-		if (sink->driver->ops && sink->driver->ops->shutdown) {
+		if (sink->driver->ops->shutdown) {
 			substream.stream = SNDRV_PCM_STREAM_PLAYBACK;
 			sink->driver->ops->shutdown(&substream, sink);
 		}

sound/soc/soc-io.c

@@ -41,6 +41,20 @@ int snd_soc_component_read(struct snd_soc_component *component,
 }
 EXPORT_SYMBOL_GPL(snd_soc_component_read);
 
+unsigned int snd_soc_component_read32(struct snd_soc_component *component,
+				      unsigned int reg)
+{
+	unsigned int val;
+	int ret;
+
+	ret = snd_soc_component_read(component, reg, &val);
+	if (ret < 0)
+		return -1;
+
+	return val;
+}
+EXPORT_SYMBOL_GPL(snd_soc_component_read32);
+
 /**
  * snd_soc_component_write() - Write register value
  * @component: Component to write to