Merge pull request #4231 from plbossart/sdw/cleanup-free-trigger

SoundWire: cleanup free, trigger and hw_params callbacks

Author: plbossart

drivers/soundwire/intel.c

@@ -643,15 +643,15 @@ intel_pdi_alh_configure(struct sdw_intel *sdw, struct sdw_cdns_pdi *pdi)
 }
 
 static int intel_params_stream(struct sdw_intel *sdw,
-			       int stream,
+			       struct snd_pcm_substream *substream,
 			       struct snd_soc_dai *dai,
 			       struct snd_pcm_hw_params *hw_params,
 			       int link_id, int alh_stream_id)
 {
 	struct sdw_intel_link_res *res = sdw->link_res;
 	struct sdw_intel_stream_params_data params_data;
 
-	params_data.stream = stream; /* direction */
+	params_data.substream = substream;
 	params_data.dai = dai;
 	params_data.hw_params = hw_params;
 	params_data.link_id = link_id;
@@ -663,25 +663,6 @@ static int intel_params_stream(struct sdw_intel *sdw,
 	return -EIO;
 }
 
-static int intel_free_stream(struct sdw_intel *sdw,
-			     int stream,
-			     struct snd_soc_dai *dai,
-			     int link_id)
-{
-	struct sdw_intel_link_res *res = sdw->link_res;
-	struct sdw_intel_stream_free_data free_data;
-
-	free_data.stream = stream; /* direction */
-	free_data.dai = dai;
-	free_data.link_id = link_id;
-
-	if (res->ops && res->ops->free_stream && res->dev)
-		return res->ops->free_stream(res->dev,
-					     &free_data);
-
-	return 0;
-}
-
 /*
  * DAI routines
  */
@@ -728,7 +709,7 @@ static int intel_hw_params(struct snd_pcm_substream *substream,
 	dai_runtime->hw_params = params;
 
 	/* Inform DSP about PDI stream number */
-	ret = intel_params_stream(sdw, substream->stream, dai, params,
+	ret = intel_params_stream(sdw, substream, dai, params,
 				  sdw->instance,
 				  pdi->intel_alh_id);
 	if (ret)
@@ -800,7 +781,7 @@ static int intel_prepare(struct snd_pcm_substream *substream,
 		sdw_cdns_config_stream(cdns, ch, dir, dai_runtime->pdi);
 
 		/* Inform DSP about PDI stream number */
-		ret = intel_params_stream(sdw, substream->stream, dai,
+		ret = intel_params_stream(sdw, substream, dai,
 					  dai_runtime->hw_params,
 					  sdw->instance,
 					  dai_runtime->pdi->intel_alh_id);
@@ -813,7 +794,6 @@ static int
 intel_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
 {
 	struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
-	struct sdw_intel *sdw = cdns_to_intel(cdns);
 	struct sdw_cdns_dai_runtime *dai_runtime;
 	int ret;
 
@@ -834,12 +814,6 @@ intel_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
 		return ret;
 	}
 
-	ret = intel_free_stream(sdw, substream->stream, dai, sdw->instance);
-	if (ret < 0) {
-		dev_err(dai->dev, "intel_free_stream: failed %d\n", ret);
-		return ret;
-	}
-
 	dai_runtime->hw_params = NULL;
 	dai_runtime->pdi = NULL;
 
@@ -868,19 +842,9 @@ static void *intel_get_sdw_stream(struct snd_soc_dai *dai,
 static int intel_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
 {
 	struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
-	struct sdw_intel *sdw = cdns_to_intel(cdns);
-	struct sdw_intel_link_res *res = sdw->link_res;
 	struct sdw_cdns_dai_runtime *dai_runtime;
 	int ret = 0;
 
-	/*
-	 * The .trigger callback is used to send required IPC to audio
-	 * firmware. The .free_stream callback will still be called
-	 * by intel_free_stream() in the TRIGGER_SUSPEND case.
-	 */
-	if (res->ops && res->ops->trigger)
-		res->ops->trigger(dai, cmd, substream->stream);
-
 	dai_runtime = cdns->dai_runtime_array[dai->id];
 	if (!dai_runtime) {
 		dev_err(dai->dev, "failed to get dai runtime in %s\n",
@@ -900,7 +864,6 @@ static int intel_trigger(struct snd_pcm_substream *substream, int cmd, struct sn
 
 		dai_runtime->suspended = true;
 
-		ret = intel_free_stream(sdw, substream->stream, dai, sdw->instance);
 		break;
 
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
@@ -946,9 +909,7 @@ static int intel_component_dais_suspend(struct snd_soc_component *component)
 	 */
 	for_each_component_dais(component, dai) {
 		struct sdw_cdns *cdns = snd_soc_dai_get_drvdata(dai);
-		struct sdw_intel *sdw = cdns_to_intel(cdns);
 		struct sdw_cdns_dai_runtime *dai_runtime;
-		int ret;
 
 		dai_runtime = cdns->dai_runtime_array[dai->id];
 
@@ -958,13 +919,8 @@ static int intel_component_dais_suspend(struct snd_soc_component *component)
 		if (dai_runtime->suspended)
 			continue;
 
-		if (dai_runtime->paused) {
+		if (dai_runtime->paused)
 			dai_runtime->suspended = true;
-
-			ret = intel_free_stream(sdw, dai_runtime->direction, dai, sdw->instance);
-			if (ret < 0)
-				return ret;
-		}
 	}
 
 	return 0;

include/linux/soundwire/sdw_intel.h

@@ -182,34 +182,20 @@
  * firmware.
  */
 struct sdw_intel_stream_params_data {
-	int stream;
+	struct snd_pcm_substream *substream;
 	struct snd_soc_dai *dai;
 	struct snd_pcm_hw_params *hw_params;
 	int link_id;
 	int alh_stream_id;
 };
 
-/**
- * struct sdw_intel_stream_free_data: configuration passed during
- * the @free_stream callback, e.g. for interaction with DSP
- * firmware.
- */
-struct sdw_intel_stream_free_data {
-	int stream;
-	struct snd_soc_dai *dai;
-	int link_id;
-};
-
 /**
  * struct sdw_intel_ops: Intel audio driver callback ops
  *
  */
 struct sdw_intel_ops {
 	int (*params_stream)(struct device *dev,
 			     struct sdw_intel_stream_params_data *params_data);
-	int (*free_stream)(struct device *dev,
-			   struct sdw_intel_stream_free_data *free_data);
-	int (*trigger)(struct snd_soc_dai *dai, int cmd, int stream);
 };
 
 /**

sound/soc/sof/intel/hda.c

@@ -99,7 +99,7 @@ static int sdw_params_stream(struct device *dev,
 			     struct sdw_intel_stream_params_data *params_data)
 {
 	struct snd_soc_dai *d = params_data->dai;
-	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, params_data->stream);
+	struct snd_soc_dapm_widget *w = snd_soc_dai_get_widget(d, params_data->substream->stream);
 	struct snd_sof_dai_config_data data = { 0 };
 
 	data.dai_index = (params_data->link_id << 8) | d->id;