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authorTakashi Iwai <tiwai@suse.de>2009-06-10 01:26:40 -0400
committerTakashi Iwai <tiwai@suse.de>2009-06-10 01:26:40 -0400
commiteabaf0634a9034f2e487b0be347edc1460c026a4 (patch)
treee950df1ba10e0a29b25afdd446ac44988381a851 /sound/core
parent9dea75c70965c240012251dc5845fe0c1a061180 (diff)
parentae1ec5e1e97f67d41e641a73380129e5905e41cc (diff)
Merge branch 'topic/pcm-delay' into for-linus
* topic/pcm-delay: ALSA: usbaudio - Add delay account ALSA: Add extra delay count in PCM
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/pcm_native.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index b5da656d1ece..45dc53fcfa2f 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -587,14 +587,15 @@ int snd_pcm_status(struct snd_pcm_substream *substream,
587 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { 587 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
588 status->avail = snd_pcm_playback_avail(runtime); 588 status->avail = snd_pcm_playback_avail(runtime);
589 if (runtime->status->state == SNDRV_PCM_STATE_RUNNING || 589 if (runtime->status->state == SNDRV_PCM_STATE_RUNNING ||
590 runtime->status->state == SNDRV_PCM_STATE_DRAINING) 590 runtime->status->state == SNDRV_PCM_STATE_DRAINING) {
591 status->delay = runtime->buffer_size - status->avail; 591 status->delay = runtime->buffer_size - status->avail;
592 else 592 status->delay += runtime->delay;
593 } else
593 status->delay = 0; 594 status->delay = 0;
594 } else { 595 } else {
595 status->avail = snd_pcm_capture_avail(runtime); 596 status->avail = snd_pcm_capture_avail(runtime);
596 if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) 597 if (runtime->status->state == SNDRV_PCM_STATE_RUNNING)
597 status->delay = status->avail; 598 status->delay = status->avail + runtime->delay;
598 else 599 else
599 status->delay = 0; 600 status->delay = 0;
600 } 601 }
@@ -2410,6 +2411,7 @@ static int snd_pcm_delay(struct snd_pcm_substream *substream,
2410 n = snd_pcm_playback_hw_avail(runtime); 2411 n = snd_pcm_playback_hw_avail(runtime);
2411 else 2412 else
2412 n = snd_pcm_capture_avail(runtime); 2413 n = snd_pcm_capture_avail(runtime);
2414 n += runtime->delay;
2413 break; 2415 break;
2414 case SNDRV_PCM_STATE_XRUN: 2416 case SNDRV_PCM_STATE_XRUN:
2415 err = -EPIPE; 2417 err = -EPIPE;