ASoC: sunxi: 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/87r1t70yuw.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sunxi/sun4i-codec.c

@@ -286,7 +286,7 @@ static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
 static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
 			       struct snd_soc_dai *dai)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 
 	switch (cmd) {
@@ -318,7 +318,7 @@ static int sun4i_codec_trigger(struct snd_pcm_substream *substream, int cmd,
 static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
 				       struct snd_soc_dai *dai)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 
 
@@ -360,7 +360,7 @@ static int sun4i_codec_prepare_capture(struct snd_pcm_substream *substream,
 static int sun4i_codec_prepare_playback(struct snd_pcm_substream *substream,
 					struct snd_soc_dai *dai)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 	u32 val;
 
@@ -573,7 +573,7 @@ static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
 				 struct snd_pcm_hw_params *params,
 				 struct snd_soc_dai *dai)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 	unsigned long clk_freq;
 	int ret, hwrate;
@@ -614,7 +614,7 @@ static struct snd_pcm_hw_constraint_list sun4i_codec_constraints = {
 static int sun4i_codec_startup(struct snd_pcm_substream *substream,
 			       struct snd_soc_dai *dai)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 
 	snd_pcm_hw_constraint_list(substream->runtime, 0,
@@ -634,7 +634,7 @@ static int sun4i_codec_startup(struct snd_pcm_substream *substream,
 static void sun4i_codec_shutdown(struct snd_pcm_substream *substream,
 				 struct snd_soc_dai *dai)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 
 	clk_disable_unprepare(scodec->clk_module);

sound/soc/sunxi/sun4i-spdif.c

@@ -243,7 +243,7 @@ static void sun4i_snd_txctrl_off(struct snd_pcm_substream *substream,
 static int sun4i_spdif_startup(struct snd_pcm_substream *substream,
 			       struct snd_soc_dai *cpu_dai)
 {
-	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct sun4i_spdif_dev *host = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
 
 	if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)