ASoC: pxa: mmp: replace platform to component

Now platform can be replaced to component, let's do it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/pxa/mmp-pcm.c

@@ -25,6 +25,8 @@
 #include <sound/soc.h>
 #include <sound/dmaengine_pcm.h>
 
+#define DRV_NAME "mmp-pcm"
+
 struct mmp_dma_data {
 	int ssp_id;
 	struct resource *dma_res;
@@ -100,7 +102,8 @@ static bool filter(struct dma_chan *chan, void *param)
 static int mmp_pcm_open(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct platform_device *pdev = to_platform_device(rtd->platform->dev);
+	struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, DRV_NAME);
+	struct platform_device *pdev = to_platform_device(component->dev);
 	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 	struct mmp_dma_data dma_data;
 	struct resource *r;
@@ -211,7 +214,8 @@ static int mmp_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	return ret;
 }
 
-static const struct snd_soc_platform_driver mmp_soc_platform = {
+static const struct snd_soc_component_driver mmp_soc_component = {
+	.name		= DRV_NAME,
 	.ops		= &mmp_pcm_ops,
 	.pcm_new	= mmp_pcm_new,
 	.pcm_free	= mmp_pcm_free_dma_buffers,
@@ -231,7 +235,8 @@ static int mmp_pcm_probe(struct platform_device *pdev)
 		mmp_pcm_hardware[SNDRV_PCM_STREAM_CAPTURE].period_bytes_max =
 						pdata->period_max_capture;
 	}
-	return devm_snd_soc_register_platform(&pdev->dev, &mmp_soc_platform);
+	return devm_snd_soc_register_component(&pdev->dev, &mmp_soc_component,
+					       NULL, 0);
 }
 
 static struct platform_driver mmp_pcm_driver = {