1 files changed, 3 insertions, 14 deletions

diff --git a/sound/soc/jz4740/jz4740-pcm.c b/sound/soc/jz4740/jz4740-pcm.c
index d1989cde9f14..9b8cf256847d 100644
--- a/sound/soc/jz4740/jz4740-pcm.c
+++ b/sound/soc/jz4740/jz4740-pcm.c
@@ -302,7 +302,6 @@ static u64 jz4740_pcm_dmamask = DMA_BIT_MASK(32);
 static int jz4740_pcm_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_card *card = rtd->card->snd_card;
-	struct snd_soc_dai *dai = rtd->cpu_dai;
 	struct snd_pcm *pcm = rtd->pcm;
 	int ret = 0;
 
@@ -312,14 +311,14 @@ static int jz4740_pcm_new(struct snd_soc_pcm_runtime *rtd)
 	if (!card->dev->coherent_dma_mask)
 		card->dev->coherent_dma_mask = DMA_BIT_MASK(32);
 
-	if (dai->driver->playback.channels_min) {
+	if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) {
 		ret = jz4740_pcm_preallocate_dma_buffer(pcm,
 			SNDRV_PCM_STREAM_PLAYBACK);
 		if (ret)
 			goto err;
 	}
 
-	if (dai->driver->capture.channels_min) {
+	if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
 		ret = jz4740_pcm_preallocate_dma_buffer(pcm,
 			SNDRV_PCM_STREAM_CAPTURE);
 		if (ret)
@@ -356,17 +355,7 @@ static struct platform_driver jz4740_pcm_driver = {
 	},
 };
 
-static int __init jz4740_soc_platform_init(void)
-{
-	return platform_driver_register(&jz4740_pcm_driver);
-}
-module_init(jz4740_soc_platform_init);
-
-static void __exit jz4740_soc_platform_exit(void)
-{
-	return platform_driver_unregister(&jz4740_pcm_driver);
-}
-module_exit(jz4740_soc_platform_exit);
+module_platform_driver(jz4740_pcm_driver);
 
 MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
 MODULE_DESCRIPTION("Ingenic SoC JZ4740 PCM driver");