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path: root/sound/soc/fsl/fsl_asrc_dma.c
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Diffstat (limited to 'sound/soc/fsl/fsl_asrc_dma.c')
-rw-r--r--sound/soc/fsl/fsl_asrc_dma.c47
1 files changed, 3 insertions, 44 deletions
diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
index c313a26c8f95..cd9b36ec0ecb 100644
--- a/sound/soc/fsl/fsl_asrc_dma.c
+++ b/sound/soc/fsl/fsl_asrc_dma.c
@@ -284,8 +284,6 @@ static int fsl_asrc_dma_hw_params(struct snd_soc_component *component,
return ret;
}
- snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
-
return 0;
}
@@ -297,8 +295,6 @@ static int fsl_asrc_dma_hw_free(struct snd_soc_component *component,
struct fsl_asrc_pair *pair = runtime->private_data;
u8 dir = tx ? OUT : IN;
- snd_pcm_set_runtime_buffer(substream, NULL);
-
if (pair->dma_chan[!dir])
dma_release_channel(pair->dma_chan[!dir]);
@@ -423,9 +419,8 @@ static int fsl_asrc_dma_pcm_new(struct snd_soc_component *component,
struct snd_soc_pcm_runtime *rtd)
{
struct snd_card *card = rtd->card->snd_card;
- struct snd_pcm_substream *substream;
struct snd_pcm *pcm = rtd->pcm;
- int ret, i;
+ int ret;
ret = dma_coerce_mask_and_coherent(card->dev, DMA_BIT_MASK(32));
if (ret) {
@@ -433,43 +428,8 @@ static int fsl_asrc_dma_pcm_new(struct snd_soc_component *component,
return ret;
}
- for_each_pcm_streams(i) {
- substream = pcm->streams[i].substream;
- if (!substream)
- continue;
-
- ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, pcm->card->dev,
- FSL_ASRC_DMABUF_SIZE, &substream->dma_buffer);
- if (ret) {
- dev_err(card->dev, "failed to allocate DMA buffer\n");
- goto err;
- }
- }
-
- return 0;
-
-err:
- if (--i == 0 && pcm->streams[i].substream)
- snd_dma_free_pages(&pcm->streams[i].substream->dma_buffer);
-
- return ret;
-}
-
-static void fsl_asrc_dma_pcm_free(struct snd_soc_component *component,
- struct snd_pcm *pcm)
-{
- struct snd_pcm_substream *substream;
- int i;
-
- for_each_pcm_streams(i) {
- substream = pcm->streams[i].substream;
- if (!substream)
- continue;
-
- snd_dma_free_pages(&substream->dma_buffer);
- substream->dma_buffer.area = NULL;
- substream->dma_buffer.addr = 0;
- }
+ return snd_pcm_set_fixed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
+ card->dev, FSL_ASRC_DMABUF_SIZE);
}
struct snd_soc_component_driver fsl_asrc_component = {
@@ -481,6 +441,5 @@ struct snd_soc_component_driver fsl_asrc_component = {
.close = fsl_asrc_dma_shutdown,
.pointer = fsl_asrc_dma_pcm_pointer,
.pcm_construct = fsl_asrc_dma_pcm_new,
- .pcm_destruct = fsl_asrc_dma_pcm_free,
};
EXPORT_SYMBOL_GPL(fsl_asrc_component);