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Diffstat (limited to 'sound/soc/imx/imx-pcm-dma-mx2.c')
-rw-r--r--sound/soc/imx/imx-pcm-dma-mx2.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c
index 5780c9b9d569..ec1394415526 100644
--- a/sound/soc/imx/imx-pcm-dma-mx2.c
+++ b/sound/soc/imx/imx-pcm-dma-mx2.c
@@ -35,11 +35,7 @@
struct imx_pcm_runtime_data {
int period_bytes;
int periods;
- int dma;
unsigned long offset;
- unsigned long size;
- void *buf;
- int period_time;
struct dma_async_tx_descriptor *desc;
struct dma_chan *dma_chan;
struct imx_dma_data dma_data;
@@ -144,19 +140,14 @@ static int snd_imx_pcm_hw_params(struct snd_pcm_substream *substream,
return ret;
chan = iprtd->dma_chan;
- iprtd->size = params_buffer_bytes(params);
iprtd->periods = params_periods(params);
iprtd->period_bytes = params_period_bytes(params);
iprtd->offset = 0;
- iprtd->period_time = HZ / (params_rate(params) /
- params_period_size(params));
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
dma_addr = runtime->dma_addr;
- iprtd->buf = (unsigned int *)substream->dma_buffer.area;
-
iprtd->desc = chan->device->device_prep_dma_cyclic(chan, dma_addr,
iprtd->period_bytes * iprtd->periods,
iprtd->period_bytes,
@@ -186,16 +177,6 @@ static int snd_imx_pcm_hw_free(struct snd_pcm_substream *substream)
return 0;
}
-static int snd_imx_pcm_prepare(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct imx_pcm_dma_params *dma_params;
-
- dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
- return 0;
-}
-
static int snd_imx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -291,7 +272,6 @@ static struct snd_pcm_ops imx_pcm_ops = {
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_imx_pcm_hw_params,
.hw_free = snd_imx_pcm_hw_free,
- .prepare = snd_imx_pcm_prepare,
.trigger = snd_imx_pcm_trigger,
.pointer = snd_imx_pcm_pointer,
.mmap = snd_imx_pcm_mmap,