ASoC: arm: use asoc_rtd_to_cpu() / asoc_rtd_to_codec() macro for DAI pointer

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/87y2rrhcia.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/arm/pxa2xx-pcm-lib.c

@@ -38,7 +38,7 @@ int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
 	struct dma_slave_config config;
 	int ret;
 
-	dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+	dma_params = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
 	if (!dma_params)
 		return 0;
 
@@ -47,7 +47,7 @@ int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
 		return ret;
 
 	snd_dmaengine_pcm_set_config_from_dai_data(substream,
-			snd_soc_dai_get_dma_data(rtd->cpu_dai, substream),
+			snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream),
 			&config);
 
 	ret = dmaengine_slave_config(chan, &config);
@@ -95,7 +95,7 @@ int pxa2xx_pcm_open(struct snd_pcm_substream *substream)
 
 	runtime->hw = pxa2xx_pcm_hardware;
 
-	dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+	dma_params = snd_soc_dai_get_dma_data(asoc_rtd_to_cpu(rtd, 0), substream);
 	if (!dma_params)
 		return 0;
 
@@ -120,7 +120,7 @@ int pxa2xx_pcm_open(struct snd_pcm_substream *substream)
 		return ret;
 
 	return snd_dmaengine_pcm_open(
-		substream, dma_request_slave_channel(rtd->cpu_dai->dev,
+		substream, dma_request_slave_channel(asoc_rtd_to_cpu(rtd, 0)->dev,
 						     dma_params->chan_name));
 }
 EXPORT_SYMBOL(pxa2xx_pcm_open);