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Diffstat (limited to 'sound/soc/fsl/imx-pcm-dma.c')
-rw-r--r--sound/soc/fsl/imx-pcm-dma.c28
1 files changed, 0 insertions, 28 deletions
diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c
index f3d3d1ffa84e..314814ddd2b0 100644
--- a/sound/soc/fsl/imx-pcm-dma.c
+++ b/sound/soc/fsl/imx-pcm-dma.c
@@ -33,48 +33,20 @@ static bool filter(struct dma_chan *chan, void *param)
return true;
}
-static const struct snd_pcm_hardware imx_pcm_hardware = {
- .info = SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BLOCK_TRANSFER |
- SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_RESUME,
- .buffer_bytes_max = IMX_DEFAULT_DMABUF_SIZE,
- .period_bytes_min = 128,
- .period_bytes_max = 65535, /* Limited by SDMA engine */
- .periods_min = 2,
- .periods_max = 255,
- .fifo_size = 0,
-};
-
static const struct snd_dmaengine_pcm_config imx_dmaengine_pcm_config = {
- .pcm_hardware = &imx_pcm_hardware,
.prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
.compat_filter_fn = filter,
- .prealloc_buffer_size = IMX_DEFAULT_DMABUF_SIZE,
};
int imx_pcm_dma_init(struct platform_device *pdev, size_t size)
{
struct snd_dmaengine_pcm_config *config;
- struct snd_pcm_hardware *pcm_hardware;
config = devm_kzalloc(&pdev->dev,
sizeof(struct snd_dmaengine_pcm_config), GFP_KERNEL);
if (!config)
return -ENOMEM;
*config = imx_dmaengine_pcm_config;
- if (size)
- config->prealloc_buffer_size = size;
-
- pcm_hardware = devm_kzalloc(&pdev->dev,
- sizeof(struct snd_pcm_hardware), GFP_KERNEL);
- *pcm_hardware = imx_pcm_hardware;
- if (size)
- pcm_hardware->buffer_bytes_max = size;
-
- config->pcm_hardware = pcm_hardware;
return devm_snd_dmaengine_pcm_register(&pdev->dev,
config,