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path: root/sound/core/pcm_native.c
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Diffstat (limited to 'sound/core/pcm_native.c')
-rw-r--r--sound/core/pcm_native.c29
1 files changed, 23 insertions, 6 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index fc6f98e257d..84da3ba17c8 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -312,9 +312,18 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
hw = &substream->runtime->hw;
if (!params->info)
- params->info = hw->info;
- if (!params->fifo_size)
- params->fifo_size = hw->fifo_size;
+ params->info = hw->info & ~SNDRV_PCM_INFO_FIFO_IN_FRAMES;
+ if (!params->fifo_size) {
+ if (snd_mask_min(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT]) ==
+ snd_mask_max(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT]) &&
+ snd_mask_min(&params->masks[SNDRV_PCM_HW_PARAM_CHANNELS]) ==
+ snd_mask_max(&params->masks[SNDRV_PCM_HW_PARAM_CHANNELS])) {
+ changed = substream->ops->ioctl(substream,
+ SNDRV_PCM_IOCTL1_FIFO_SIZE, params);
+ if (params < 0)
+ return changed;
+ }
+ }
params->rmask = 0;
return 0;
}
@@ -587,14 +596,15 @@ int snd_pcm_status(struct snd_pcm_substream *substream,
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
status->avail = snd_pcm_playback_avail(runtime);
if (runtime->status->state == SNDRV_PCM_STATE_RUNNING ||
- runtime->status->state == SNDRV_PCM_STATE_DRAINING)
+ runtime->status->state == SNDRV_PCM_STATE_DRAINING) {
status->delay = runtime->buffer_size - status->avail;
- else
+ status->delay += runtime->delay;
+ } else
status->delay = 0;
} else {
status->avail = snd_pcm_capture_avail(runtime);
if (runtime->status->state == SNDRV_PCM_STATE_RUNNING)
- status->delay = status->avail;
+ status->delay = status->avail + runtime->delay;
else
status->delay = 0;
}
@@ -848,6 +858,7 @@ static void snd_pcm_post_start(struct snd_pcm_substream *substream, int state)
{
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_trigger_tstamp(substream);
+ runtime->hw_ptr_jiffies = jiffies;
runtime->status->state = state;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&
runtime->silence_size > 0)
@@ -961,6 +972,11 @@ static int snd_pcm_do_pause(struct snd_pcm_substream *substream, int push)
{
if (substream->runtime->trigger_master != substream)
return 0;
+ /* The jiffies check in snd_pcm_update_hw_ptr*() is done by
+ * a delta betwen the current jiffies, this gives a large enough
+ * delta, effectively to skip the check once.
+ */
+ substream->runtime->hw_ptr_jiffies = jiffies - HZ * 1000;
return substream->ops->trigger(substream,
push ? SNDRV_PCM_TRIGGER_PAUSE_PUSH :
SNDRV_PCM_TRIGGER_PAUSE_RELEASE);
@@ -2404,6 +2420,7 @@ static int snd_pcm_delay(struct snd_pcm_substream *substream,
n = snd_pcm_playback_hw_avail(runtime);
else
n = snd_pcm_capture_avail(runtime);
+ n += runtime->delay;
break;
case SNDRV_PCM_STATE_XRUN:
err = -EPIPE;