1 files changed, 10 insertions, 8 deletions

diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c
index 1cf2fe889f6a..5780c9b9d569 100644
--- a/sound/soc/imx/imx-pcm-dma-mx2.c
+++ b/sound/soc/imx/imx-pcm-dma-mx2.c
@@ -88,11 +88,13 @@ static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream,
         iprtd->dma_data.dma_request = dma_params->dma;
 
         /* Try to grab a DMA channel */
-        dma_cap_zero(mask);
-        dma_cap_set(DMA_SLAVE, mask);
-        iprtd->dma_chan = dma_request_channel(mask, filter, iprtd);
-        if (!iprtd->dma_chan)
-                return -EINVAL;
+        if (!iprtd->dma_chan) {
+                dma_cap_zero(mask);
+                dma_cap_set(DMA_SLAVE, mask);
+                iprtd->dma_chan = dma_request_channel(mask, filter, iprtd);
+                if (!iprtd->dma_chan)
+                        return -EINVAL;
+        }
 
         switch (params_format(params)) {
         case SNDRV_PCM_FORMAT_S16_LE:
@@ -107,12 +109,12 @@ static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream,
         }
 
         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
-                slave_config.direction = DMA_TO_DEVICE;
+                slave_config.direction = DMA_MEM_TO_DEV;
                 slave_config.dst_addr = dma_params->dma_addr;
                 slave_config.dst_addr_width = buswidth;
                 slave_config.dst_maxburst = dma_params->burstsize;
         } else {
-                slave_config.direction = DMA_FROM_DEVICE;
+                slave_config.direction = DMA_DEV_TO_MEM;
                 slave_config.src_addr = dma_params->dma_addr;
                 slave_config.src_addr_width = buswidth;
                 slave_config.src_maxburst = dma_params->burstsize;
@@ -159,7 +161,7 @@ static int snd_imx_pcm_hw_params(struct snd_pcm_substream *substream,
                         iprtd->period_bytes * iprtd->periods,
                         iprtd->period_bytes,
                         substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
-                        DMA_TO_DEVICE : DMA_FROM_DEVICE);
+                        DMA_MEM_TO_DEV : DMA_DEV_TO_MEM);
         if (!iprtd->desc) {
                 dev_err(&chan->dev->device, "cannot prepare slave dma\n");
                 return -EINVAL;