diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/pcm_lib.c | 17 | ||||
| -rw-r--r-- | sound/core/pcm_native.c | 13 |
2 files changed, 24 insertions, 6 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index abfeff16..f134130 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1756,8 +1756,18 @@ static int wait_for_avail(struct snd_pcm_substream *substream, wait_queue_t wait; int err = 0; snd_pcm_uframes_t avail = 0; - long tout; - + long wait_time, tout; + + if (runtime->no_period_wakeup) + wait_time = MAX_SCHEDULE_TIMEOUT; + else { + wait_time = 10; + if (runtime->rate) { + long t = runtime->period_size * 2 / runtime->rate; + wait_time = max(t, wait_time); + } + wait_time = msecs_to_jiffies(wait_time * 1000); + } init_waitqueue_entry(&wait, current); add_wait_queue(&runtime->tsleep, &wait); for (;;) { @@ -1765,9 +1775,8 @@ static int wait_for_avail(struct snd_pcm_substream *substream, err = -ERESTARTSYS; break; } - set_current_state(TASK_INTERRUPTIBLE); snd_pcm_stream_unlock_irq(substream); - tout = schedule_timeout(msecs_to_jiffies(10000)); + tout = schedule_timeout_interruptible(wait_time); snd_pcm_stream_lock_irq(substream); switch (runtime->status->state) { case SNDRV_PCM_STATE_SUSPENDED: diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 1a07750..b597408 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1481,11 +1481,20 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream, break; /* all drained */ init_waitqueue_entry(&wait, current); add_wait_queue(&to_check->sleep, &wait); - set_current_state(TASK_INTERRUPTIBLE); snd_pcm_stream_unlock_irq(substream); up_read(&snd_pcm_link_rwsem); snd_power_unlock(card); - tout = schedule_timeout(10 * HZ); + if (runtime->no_period_wakeup) + tout = MAX_SCHEDULE_TIMEOUT; + else { + tout = 10; + if (runtime->rate) { + long t = runtime->period_size * 2 / runtime->rate; + tout = max(t, tout); + } + tout = msecs_to_jiffies(tout * 1000); + } + tout = schedule_timeout_interruptible(tout); snd_power_lock(card); down_read(&snd_pcm_link_rwsem); snd_pcm_stream_lock_irq(substream); |