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path: root/sound/soc/atmel/atmel-pcm-dma.c
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Diffstat (limited to 'sound/soc/atmel/atmel-pcm-dma.c')
-rw-r--r--sound/soc/atmel/atmel-pcm-dma.c29
1 files changed, 9 insertions, 20 deletions
diff --git a/sound/soc/atmel/atmel-pcm-dma.c b/sound/soc/atmel/atmel-pcm-dma.c
index 30184a4a147a..1d38fd0bc4e2 100644
--- a/sound/soc/atmel/atmel-pcm-dma.c
+++ b/sound/soc/atmel/atmel-pcm-dma.c
@@ -67,9 +67,10 @@ static const struct snd_pcm_hardware atmel_pcm_dma_hardware = {
static void atmel_pcm_dma_irq(u32 ssc_sr,
struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct atmel_pcm_dma_params *prtd;
- prtd = snd_dmaengine_pcm_get_data(substream);
+ prtd = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
if (ssc_sr & prtd->mask->ssc_error) {
if (snd_pcm_running(substream))
@@ -104,15 +105,13 @@ static bool filter(struct dma_chan *chan, void *slave)
}
static int atmel_pcm_configure_dma(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
+ struct snd_pcm_hw_params *params, struct atmel_pcm_dma_params *prtd)
{
- struct atmel_pcm_dma_params *prtd;
struct ssc_device *ssc;
struct dma_chan *dma_chan;
struct dma_slave_config slave_config;
int ret;
- prtd = snd_dmaengine_pcm_get_data(substream);
ssc = prtd->ssc;
ret = snd_hwparams_to_dma_slave_config(substream, params,
@@ -130,8 +129,6 @@ static int atmel_pcm_configure_dma(struct snd_pcm_substream *substream,
slave_config.src_maxburst = 1;
}
- slave_config.device_fc = false;
-
dma_chan = snd_dmaengine_pcm_get_chan(substream);
if (dmaengine_slave_config(dma_chan, &slave_config)) {
pr_err("atmel-pcm: failed to configure dma channel\n");
@@ -158,15 +155,13 @@ static int atmel_pcm_hw_params(struct snd_pcm_substream *substream,
if (ssc->pdev)
sdata = ssc->pdev->dev.platform_data;
- ret = snd_dmaengine_pcm_open(substream, filter, sdata);
+ ret = snd_dmaengine_pcm_open_request_chan(substream, filter, sdata);
if (ret) {
pr_err("atmel-pcm: dmaengine pcm open failed\n");
return -EINVAL;
}
- snd_dmaengine_pcm_set_data(substream, prtd);
-
- ret = atmel_pcm_configure_dma(substream, params);
+ ret = atmel_pcm_configure_dma(substream, params, prtd);
if (ret) {
pr_err("atmel-pcm: failed to configure dmai\n");
goto err;
@@ -176,15 +171,16 @@ static int atmel_pcm_hw_params(struct snd_pcm_substream *substream,
return 0;
err:
- snd_dmaengine_pcm_close(substream);
+ snd_dmaengine_pcm_close_release_chan(substream);
return ret;
}
static int atmel_pcm_dma_prepare(struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct atmel_pcm_dma_params *prtd;
- prtd = snd_dmaengine_pcm_get_data(substream);
+ prtd = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
ssc_writex(prtd->ssc->regs, SSC_IER, prtd->mask->ssc_error);
ssc_writex(prtd->ssc->regs, SSC_CR, prtd->mask->ssc_enable);
@@ -199,16 +195,9 @@ static int atmel_pcm_open(struct snd_pcm_substream *substream)
return 0;
}
-static int atmel_pcm_close(struct snd_pcm_substream *substream)
-{
- snd_dmaengine_pcm_close(substream);
-
- return 0;
-}
-
static struct snd_pcm_ops atmel_pcm_ops = {
.open = atmel_pcm_open,
- .close = atmel_pcm_close,
+ .close = snd_dmaengine_pcm_close_release_chan,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = atmel_pcm_hw_params,
.prepare = atmel_pcm_dma_prepare,