ASoC: stm: use asoc_substream_to_rtd()

Now we can use asoc_substream_to_rtd() macro,
let's use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87pn8r0yus.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/stm/stm32_adfsdm.c

@@ -168,7 +168,7 @@ static void stm32_memcpy_32to16(void *dest, const void *src, size_t n)
 static int stm32_afsdm_pcm_cb(const void *data, size_t size, void *private)
 {
 	struct stm32_adfsdm_priv *priv = private;
-	struct snd_soc_pcm_runtime *rtd = priv->substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(priv->substream);
 	u8 *pcm_buff = priv->pcm_buff;
 	u8 *src_buff = (u8 *)data;
 	unsigned int old_pos = priv->pos;
@@ -213,7 +213,7 @@ static int stm32_afsdm_pcm_cb(const void *data, size_t size, void *private)
 static int stm32_adfsdm_trigger(struct snd_soc_component *component,
 				struct snd_pcm_substream *substream, int cmd)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct stm32_adfsdm_priv *priv =
 		snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
 
@@ -234,7 +234,7 @@ static int stm32_adfsdm_trigger(struct snd_soc_component *component,
 static int stm32_adfsdm_pcm_open(struct snd_soc_component *component,
 				 struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct stm32_adfsdm_priv *priv = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
 	int ret;
 
@@ -248,7 +248,7 @@ static int stm32_adfsdm_pcm_open(struct snd_soc_component *component,
 static int stm32_adfsdm_pcm_close(struct snd_soc_component *component,
 				  struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct stm32_adfsdm_priv *priv =
 		snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
 
@@ -261,7 +261,7 @@ static snd_pcm_uframes_t stm32_adfsdm_pcm_pointer(
 					    struct snd_soc_component *component,
 					    struct snd_pcm_substream *substream)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct stm32_adfsdm_priv *priv =
 		snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
 
@@ -272,7 +272,7 @@ static int stm32_adfsdm_pcm_hw_params(struct snd_soc_component *component,
 				      struct snd_pcm_substream *substream,
 				      struct snd_pcm_hw_params *params)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct stm32_adfsdm_priv *priv =
 		snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
 

sound/soc/stm/stm32_sai_sub.c

@@ -1237,7 +1237,7 @@ static int stm32_sai_pcm_process_spdif(struct snd_pcm_substream *substream,
 				       void *buf, unsigned long bytes)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 	struct stm32_sai_sub_data *sai = dev_get_drvdata(cpu_dai->dev);
 	int *ptr = (int *)(runtime->dma_area + hwoff +