1 files changed, 2 insertions, 10 deletions

diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c
index aee23077080a..2585ae44e634 100644
--- a/sound/soc/fsl/imx-pcm-dma.c
+++ b/sound/soc/fsl/imx-pcm-dma.c
@@ -41,9 +41,6 @@ static const struct snd_pcm_hardware imx_pcm_hardware = {
                 SNDRV_PCM_INFO_PAUSE |
                 SNDRV_PCM_INFO_RESUME,
         .formats = SNDRV_PCM_FMTBIT_S16_LE,
-        .rate_min = 8000,
-        .channels_min = 2,
-        .channels_max = 2,
         .buffer_bytes_max = IMX_SSI_DMABUF_SIZE,
         .period_bytes_min = 128,
         .period_bytes_max = 65535, /* Limited by SDMA engine */
@@ -61,16 +58,11 @@ static const struct snd_dmaengine_pcm_config imx_dmaengine_pcm_config = {
 
 int imx_pcm_dma_init(struct platform_device *pdev)
 {
-        return snd_dmaengine_pcm_register(&pdev->dev, &imx_dmaengine_pcm_config,
+        return devm_snd_dmaengine_pcm_register(&pdev->dev,
+                &imx_dmaengine_pcm_config,
                 SND_DMAENGINE_PCM_FLAG_NO_RESIDUE |
                 SND_DMAENGINE_PCM_FLAG_COMPAT);
 }
 EXPORT_SYMBOL_GPL(imx_pcm_dma_init);
 
-void imx_pcm_dma_exit(struct platform_device *pdev)
-{
-        snd_dmaengine_pcm_unregister(&pdev->dev);
-}
-EXPORT_SYMBOL_GPL(imx_pcm_dma_exit);
-
 MODULE_LICENSE("GPL");