1 files changed, 36 insertions, 83 deletions

diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c
index 6f8773a8fc05..ca0308f6d41c 100644
--- a/sound/soc/soc-dai.c
+++ b/sound/soc/soc-dai.c
@@ -11,7 +11,7 @@
 #include <sound/soc-link.h>
 
 #define soc_dai_ret(dai, ret) _soc_dai_ret(dai, __func__, ret)
-static inline int _soc_dai_ret(struct snd_soc_dai *dai,
+static inline int _soc_dai_ret(const struct snd_soc_dai *dai,
 			       const char *func, int ret)
 {
 	/* Positive, Zero values are not errors */
@@ -37,7 +37,7 @@ static inline int _soc_dai_ret(struct snd_soc_dai *dai,
  * In such case, we can update these macros.
  */
 #define soc_dai_mark_push(dai, substream, tgt)	((dai)->mark_##tgt = substream)
-#define soc_dai_mark_pop(dai, substream, tgt)	((dai)->mark_##tgt = NULL)
+#define soc_dai_mark_pop(dai, tgt)	((dai)->mark_##tgt = NULL)
 #define soc_dai_mark_match(dai, substream, tgt)	((dai)->mark_##tgt == substream)
 
 /**
@@ -45,7 +45,7 @@ static inline int _soc_dai_ret(struct snd_soc_dai *dai,
  * @dai: DAI
  * @clk_id: DAI specific clock ID
  * @freq: new clock frequency in Hz
- * @dir: new clock direction - input/output.
+ * @dir: new clock direction (SND_SOC_CLOCK_IN or SND_SOC_CLOCK_OUT)
  *
  * Configures the DAI master (MCLK) or system (SYSCLK) clocking.
  */
@@ -134,7 +134,7 @@ int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_set_bclk_ratio);
 
-int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd)
+int snd_soc_dai_get_fmt_max_priority(const struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dai *dai;
 	int i, max = 0;
@@ -166,7 +166,7 @@ int snd_soc_dai_get_fmt_max_priority(struct snd_soc_pcm_runtime *rtd)
  * modes.  This will mean that sometimes fewer formats
  * are reported here than are supported by set_fmt().
  */
-u64 snd_soc_dai_get_fmt(struct snd_soc_dai *dai, int priority)
+u64 snd_soc_dai_get_fmt(const struct snd_soc_dai *dai, int priority)
 {
 	const struct snd_soc_dai_ops *ops = dai->driver->ops;
 	u64 fmt = 0;
@@ -304,8 +304,8 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_tdm_slot);
  * configure the relationship between channel number and TDM slot number.
  */
 int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
-				unsigned int tx_num, unsigned int *tx_slot,
-				unsigned int rx_num, unsigned int *rx_slot)
+				unsigned int tx_num, const unsigned int *tx_slot,
+				unsigned int rx_num, const unsigned int *rx_slot)
 {
 	int ret = -ENOTSUPP;
 
@@ -327,7 +327,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dai_set_channel_map);
  * @rx_slot: pointer to an array which imply the RX slot number channel
  *           0~num-1 uses
  */
-int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai,
+int snd_soc_dai_get_channel_map(const struct snd_soc_dai *dai,
 				unsigned int *tx_num, unsigned int *tx_slot,
 				unsigned int *rx_num, unsigned int *rx_slot)
 {
@@ -360,6 +360,22 @@ int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate)
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_set_tristate);
 
+int snd_soc_dai_prepare(struct snd_soc_dai *dai,
+			struct snd_pcm_substream *substream)
+{
+	int ret = 0;
+
+	if (!snd_soc_dai_stream_valid(dai, substream->stream))
+		return 0;
+
+	if (dai->driver->ops &&
+	    dai->driver->ops->prepare)
+		ret = dai->driver->ops->prepare(substream, dai);
+
+	return soc_dai_ret(dai, ret);
+}
+EXPORT_SYMBOL_GPL(snd_soc_dai_prepare);
+
 /**
  * snd_soc_dai_digital_mute - configure DAI system or master clock.
  * @dai: DAI
@@ -416,7 +432,7 @@ void snd_soc_dai_hw_free(struct snd_soc_dai *dai,
 		dai->driver->ops->hw_free(substream, dai);
 
 	/* remove marked substream */
-	soc_dai_mark_pop(dai, substream, hw_params);
+	soc_dai_mark_pop(dai, hw_params);
 }
 
 int snd_soc_dai_startup(struct snd_soc_dai *dai,
@@ -453,16 +469,16 @@ void snd_soc_dai_shutdown(struct snd_soc_dai *dai,
 		dai->driver->ops->shutdown(substream, dai);
 
 	/* remove marked substream */
-	soc_dai_mark_pop(dai, substream, startup);
+	soc_dai_mark_pop(dai, startup);
 }
 
 int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
-			     struct snd_soc_pcm_runtime *rtd, int num)
+			     struct snd_soc_pcm_runtime *rtd)
 {
 	int ret = -ENOTSUPP;
 	if (dai->driver->ops &&
 	    dai->driver->ops->compress_new)
-		ret = dai->driver->ops->compress_new(rtd, num);
+		ret = dai->driver->ops->compress_new(rtd);
 	return soc_dai_ret(dai, ret);
 }
 
@@ -471,52 +487,14 @@ int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
  *
  * Returns true if the DAI supports the indicated stream type.
  */
-bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int dir)
+bool snd_soc_dai_stream_valid(const struct snd_soc_dai *dai, int dir)
 {
-	struct snd_soc_pcm_stream *stream = snd_soc_dai_get_pcm_stream(dai, dir);
+	const struct snd_soc_pcm_stream *stream = snd_soc_dai_get_pcm_stream(dai, dir);
 
 	/* If the codec specifies any channels at all, it supports the stream */
 	return stream->channels_min;
 }
 
-/*
- * snd_soc_dai_link_set_capabilities() - set dai_link properties based on its DAIs
- */
-void snd_soc_dai_link_set_capabilities(struct snd_soc_dai_link *dai_link)
-{
-	bool supported[SNDRV_PCM_STREAM_LAST + 1];
-	int direction;
-
-	for_each_pcm_streams(direction) {
-		struct snd_soc_dai_link_component *cpu;
-		struct snd_soc_dai_link_component *codec;
-		struct snd_soc_dai *dai;
-		bool supported_cpu = false;
-		bool supported_codec = false;
-		int i;
-
-		for_each_link_cpus(dai_link, i, cpu) {
-			dai = snd_soc_find_dai_with_mutex(cpu);
-			if (dai && snd_soc_dai_stream_valid(dai, direction)) {
-				supported_cpu = true;
-				break;
-			}
-		}
-		for_each_link_codecs(dai_link, i, codec) {
-			dai = snd_soc_find_dai_with_mutex(codec);
-			if (dai && snd_soc_dai_stream_valid(dai, direction)) {
-				supported_codec = true;
-				break;
-			}
-		}
-		supported[direction] = supported_cpu && supported_codec;
-	}
-
-	dai_link->dpcm_playback = supported[SNDRV_PCM_STREAM_PLAYBACK];
-	dai_link->dpcm_capture  = supported[SNDRV_PCM_STREAM_CAPTURE];
-}
-EXPORT_SYMBOL_GPL(snd_soc_dai_link_set_capabilities);
-
 void snd_soc_dai_action(struct snd_soc_dai *dai,
 			int stream, int action)
 {
@@ -528,7 +506,7 @@ void snd_soc_dai_action(struct snd_soc_dai *dai,
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_action);
 
-int snd_soc_dai_active(struct snd_soc_dai *dai)
+int snd_soc_dai_active(const struct snd_soc_dai *dai)
 {
 	int stream, active;
 
@@ -615,14 +593,9 @@ int snd_soc_pcm_dai_prepare(struct snd_pcm_substream *substream)
 	int i, ret;
 
 	for_each_rtd_dais(rtd, i, dai) {
-		if (!snd_soc_dai_stream_valid(dai, substream->stream))
-			continue;
-		if (dai->driver->ops &&
-		    dai->driver->ops->prepare) {
-			ret = dai->driver->ops->prepare(substream, dai);
-			if (ret < 0)
-				return soc_dai_ret(dai, ret);
-		}
+		ret = snd_soc_dai_prepare(dai, substream);
+		if (ret < 0)
+			return ret;
 	}
 
 	return 0;
@@ -678,33 +651,13 @@ int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream,
 			r = soc_dai_trigger(dai, substream, cmd);
 			if (r < 0)
 				ret = r; /* use last ret */
-			soc_dai_mark_pop(dai, substream, trigger);
+			soc_dai_mark_pop(dai, trigger);
 		}
 	}
 
 	return ret;
 }
 
-int snd_soc_pcm_dai_bespoke_trigger(struct snd_pcm_substream *substream,
-				    int cmd)
-{
-	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
-	struct snd_soc_dai *dai;
-	int i, ret;
-
-	for_each_rtd_dais(rtd, i, dai) {
-		if (dai->driver->ops &&
-		    dai->driver->ops->bespoke_trigger) {
-			ret = dai->driver->ops->bespoke_trigger(substream,
-								cmd, dai);
-			if (ret < 0)
-				return soc_dai_ret(dai, ret);
-		}
-	}
-
-	return 0;
-}
-
 void snd_soc_pcm_dai_delay(struct snd_pcm_substream *substream,
 			   snd_pcm_sframes_t *cpu_delay,
 			   snd_pcm_sframes_t *codec_delay)
@@ -762,7 +715,7 @@ void snd_soc_dai_compr_shutdown(struct snd_soc_dai *dai,
 		dai->driver->cops->shutdown(cstream, dai);
 
 	/* remove marked cstream */
-	soc_dai_mark_pop(dai, cstream, compr_startup);
+	soc_dai_mark_pop(dai, compr_startup);
 }
 EXPORT_SYMBOL_GPL(snd_soc_dai_compr_shutdown);