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path: root/sound/pci/cs5535audio/cs5535audio_pcm.c
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Diffstat (limited to 'sound/pci/cs5535audio/cs5535audio_pcm.c')
-rw-r--r--sound/pci/cs5535audio/cs5535audio_pcm.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/sound/pci/cs5535audio/cs5535audio_pcm.c b/sound/pci/cs5535audio/cs5535audio_pcm.c
index 5450a9e8f13..21df0634af3 100644
--- a/sound/pci/cs5535audio/cs5535audio_pcm.c
+++ b/sound/pci/cs5535audio/cs5535audio_pcm.c
@@ -43,7 +43,6 @@ static struct snd_pcm_hardware snd_cs5535audio_playback =
SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_PAUSE |
- SNDRV_PCM_INFO_SYNC_START |
SNDRV_PCM_INFO_RESUME
),
.formats = (
@@ -71,8 +70,7 @@ static struct snd_pcm_hardware snd_cs5535audio_capture =
SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
- SNDRV_PCM_INFO_MMAP_VALID |
- SNDRV_PCM_INFO_SYNC_START
+ SNDRV_PCM_INFO_MMAP_VALID
),
.formats = (
SNDRV_PCM_FMTBIT_S16_LE
@@ -102,7 +100,6 @@ static int snd_cs5535audio_playback_open(struct snd_pcm_substream *substream)
runtime->hw = snd_cs5535audio_playback;
cs5535au->playback_substream = substream;
runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_PLAYBACK]);
- snd_pcm_set_sync(substream);
if ((err = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
return err;
@@ -164,6 +161,7 @@ static int cs5535audio_build_dma_packets(struct cs5535audio *cs5535au,
jmpprd_addr = cpu_to_le32(lastdesc->addr +
(sizeof(struct cs5535audio_dma_desc)*periods));
+ dma->substream = substream;
dma->period_bytes = period_bytes;
dma->periods = periods;
spin_lock_irq(&cs5535au->reg_lock);
@@ -241,6 +239,7 @@ static void cs5535audio_clear_dma_packets(struct cs5535audio *cs5535au,
{
snd_dma_free_pages(&dma->desc_buf);
dma->desc_buf.area = NULL;
+ dma->substream = NULL;
}
static int snd_cs5535audio_hw_params(struct snd_pcm_substream *substream,
@@ -298,14 +297,12 @@ static int snd_cs5535audio_trigger(struct snd_pcm_substream *substream, int cmd)
break;
case SNDRV_PCM_TRIGGER_RESUME:
dma->ops->enable_dma(cs5535au);
- dma->suspended = 0;
break;
case SNDRV_PCM_TRIGGER_STOP:
dma->ops->disable_dma(cs5535au);
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
dma->ops->disable_dma(cs5535au);
- dma->suspended = 1;
break;
default:
snd_printk(KERN_ERR "unhandled trigger\n");
@@ -348,7 +345,6 @@ static int snd_cs5535audio_capture_open(struct snd_pcm_substream *substream)
runtime->hw = snd_cs5535audio_capture;
cs5535au->capture_substream = substream;
runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_CAPTURE]);
- snd_pcm_set_sync(substream);
if ((err = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
return err;