ASoC: soc-link: remove unneeded parameter from snd_soc_link_xxx()

"rtd" can be created from "substream".
Let's cleanup snd_soc_link_xxx().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/87y2pg3k78.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-link.h

@@ -9,18 +9,12 @@
 #define __SOC_LINK_H
 
 int snd_soc_link_init(struct snd_soc_pcm_runtime *rtd);
-int snd_soc_link_startup(struct snd_soc_pcm_runtime *rtd,
-			 struct snd_pcm_substream *substream);
-void snd_soc_link_shutdown(struct snd_soc_pcm_runtime *rtd,
-			   struct snd_pcm_substream *substream);
-int snd_soc_link_prepare(struct snd_soc_pcm_runtime *rtd,
-			 struct snd_pcm_substream *substream);
-int snd_soc_link_hw_params(struct snd_soc_pcm_runtime *rtd,
-			   struct snd_pcm_substream *substream,
+int snd_soc_link_startup(struct snd_pcm_substream *substream);
+void snd_soc_link_shutdown(struct snd_pcm_substream *substream);
+int snd_soc_link_prepare(struct snd_pcm_substream *substream);
+int snd_soc_link_hw_params(struct snd_pcm_substream *substream,
 			   struct snd_pcm_hw_params *params);
-void snd_soc_link_hw_free(struct snd_soc_pcm_runtime *rtd,
-			  struct snd_pcm_substream *substream);
-int snd_soc_link_trigger(struct snd_soc_pcm_runtime *rtd,
-			 struct snd_pcm_substream *substream, int cmd);
+void snd_soc_link_hw_free(struct snd_pcm_substream *substream);
+int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd);
 
 #endif /* __SOC_LINK_H */

sound/soc/soc-link.c

@@ -36,9 +36,9 @@ int snd_soc_link_init(struct snd_soc_pcm_runtime *rtd)
 	return soc_link_ret(rtd, ret);
 }
 
-int snd_soc_link_startup(struct snd_soc_pcm_runtime *rtd,
-			 struct snd_pcm_substream *substream)
+int snd_soc_link_startup(struct snd_pcm_substream *substream)
 {
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	int ret = 0;
 
 	if (rtd->dai_link->ops &&
@@ -48,17 +48,18 @@ int snd_soc_link_startup(struct snd_soc_pcm_runtime *rtd,
 	return soc_link_ret(rtd, ret);
 }
 
-void snd_soc_link_shutdown(struct snd_soc_pcm_runtime *rtd,
-			   struct snd_pcm_substream *substream)
+void snd_soc_link_shutdown(struct snd_pcm_substream *substream)
 {
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
 	if (rtd->dai_link->ops &&
 	    rtd->dai_link->ops->shutdown)
 		rtd->dai_link->ops->shutdown(substream);
 }
 
-int snd_soc_link_prepare(struct snd_soc_pcm_runtime *rtd,
-			 struct snd_pcm_substream *substream)
+int snd_soc_link_prepare(struct snd_pcm_substream *substream)
 {
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	int ret = 0;
 
 	if (rtd->dai_link->ops &&
@@ -68,10 +69,10 @@ int snd_soc_link_prepare(struct snd_soc_pcm_runtime *rtd,
 	return soc_link_ret(rtd, ret);
 }
 
-int snd_soc_link_hw_params(struct snd_soc_pcm_runtime *rtd,
-			   struct snd_pcm_substream *substream,
+int snd_soc_link_hw_params(struct snd_pcm_substream *substream,
 			   struct snd_pcm_hw_params *params)
 {
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	int ret = 0;
 
 	if (rtd->dai_link->ops &&
@@ -81,17 +82,18 @@ int snd_soc_link_hw_params(struct snd_soc_pcm_runtime *rtd,
 	return soc_link_ret(rtd, ret);
 }
 
-void snd_soc_link_hw_free(struct snd_soc_pcm_runtime *rtd,
-			  struct snd_pcm_substream *substream)
+void snd_soc_link_hw_free(struct snd_pcm_substream *substream)
 {
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+
 	if (rtd->dai_link->ops &&
 	    rtd->dai_link->ops->hw_free)
 		rtd->dai_link->ops->hw_free(substream);
 }
 
-int snd_soc_link_trigger(struct snd_soc_pcm_runtime *rtd,
-			 struct snd_pcm_substream *substream, int cmd)
+int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd)
 {
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	int ret = 0;
 
 	if (rtd->dai_link->ops &&

sound/soc/soc-pcm.c

@@ -683,7 +683,7 @@ static int soc_pcm_close(struct snd_pcm_substream *substream)
 	for_each_rtd_dais(rtd, i, dai)
 		snd_soc_dai_shutdown(dai, substream);
 
-	snd_soc_link_shutdown(rtd, substream);
+	snd_soc_link_shutdown(substream);
 
 	soc_pcm_components_close(substream);
 
@@ -730,7 +730,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	if (ret < 0)
 		goto component_err;
 
-	ret = snd_soc_link_startup(rtd, substream);
+	ret = snd_soc_link_startup(substream);
 	if (ret < 0)
 		goto rtd_startup_err;
 
@@ -814,7 +814,7 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	for_each_rtd_dais(rtd, i, dai)
 		snd_soc_dai_shutdown(dai, substream);
 
-	snd_soc_link_shutdown(rtd, substream);
+	snd_soc_link_shutdown(substream);
 rtd_startup_err:
 	soc_pcm_components_close(substream);
 component_err:
@@ -856,7 +856,7 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream)
 
 	mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
 
-	ret = snd_soc_link_prepare(rtd, substream);
+	ret = snd_soc_link_prepare(substream);
 	if (ret < 0)
 		goto out;
 
@@ -943,7 +943,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 	if (ret)
 		goto out;
 
-	ret = snd_soc_link_hw_params(rtd, substream, params);
+	ret = snd_soc_link_hw_params(substream, params);
 	if (ret < 0)
 		goto out;
 
@@ -1055,7 +1055,7 @@ static int soc_pcm_hw_params(struct snd_pcm_substream *substream,
 		codec_dai->rate = 0;
 	}
 
-	snd_soc_link_hw_free(rtd, substream);
+	snd_soc_link_hw_free(substream);
 
 	mutex_unlock(&rtd->card->pcm_mutex);
 	return ret;
@@ -1087,7 +1087,7 @@ static int soc_pcm_hw_free(struct snd_pcm_substream *substream)
 	}
 
 	/* free any machine hw params */
-	snd_soc_link_hw_free(rtd, substream);
+	snd_soc_link_hw_free(substream);
 
 	/* free any component resources */
 	soc_pcm_components_hw_free(substream, NULL);
@@ -1110,7 +1110,7 @@ static int soc_pcm_trigger_start(struct snd_pcm_substream *substream, int cmd)
 	struct snd_soc_component *component;
 	int i, ret;
 
-	ret = snd_soc_link_trigger(rtd, substream, cmd);
+	ret = snd_soc_link_trigger(substream, cmd);
 	if (ret < 0)
 		return ret;
 
@@ -1139,7 +1139,7 @@ static int soc_pcm_trigger_stop(struct snd_pcm_substream *substream, int cmd)
 			return ret;
 	}
 
-	ret = snd_soc_link_trigger(rtd, substream, cmd);
+	ret = snd_soc_link_trigger(substream, cmd);
 	if (ret < 0)
 		return ret;