diff options
Diffstat (limited to 'sound/core')
-rw-r--r-- | sound/core/pcm.c | 1 | ||||
-rw-r--r-- | sound/core/pcm_lib.c | 20 | ||||
-rw-r--r-- | sound/core/pcm_native.c | 3 | ||||
-rw-r--r-- | sound/core/seq/seq_timer.c | 27 |
4 files changed, 27 insertions, 24 deletions
diff --git a/sound/core/pcm.c b/sound/core/pcm.c index df57a0e30bf..0d428d0896d 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -894,6 +894,7 @@ int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, memset((void*)runtime->control, 0, size); init_waitqueue_head(&runtime->sleep); + init_waitqueue_head(&runtime->tsleep); runtime->status->state = SNDRV_PCM_STATE_OPEN; diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 72001956079..272f15d1901 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -285,8 +285,8 @@ int snd_pcm_update_state(struct snd_pcm_substream *substream, return -EPIPE; } } - if (!runtime->nowake && avail >= runtime->control->avail_min) - wake_up(&runtime->sleep); + if (avail >= runtime->control->avail_min) + wake_up(runtime->twake ? &runtime->tsleep : &runtime->sleep); return 0; } @@ -1706,7 +1706,7 @@ static int wait_for_avail_min(struct snd_pcm_substream *substream, long tout; init_waitqueue_entry(&wait, current); - add_wait_queue(&runtime->sleep, &wait); + add_wait_queue(&runtime->tsleep, &wait); for (;;) { if (signal_pending(current)) { err = -ERESTARTSYS; @@ -1749,7 +1749,7 @@ static int wait_for_avail_min(struct snd_pcm_substream *substream, break; } _endloop: - remove_wait_queue(&runtime->sleep, &wait); + remove_wait_queue(&runtime->tsleep, &wait); *availp = avail; return err; } @@ -1808,7 +1808,7 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream, goto _end_unlock; } - runtime->nowake = 1; + runtime->twake = 1; while (size > 0) { snd_pcm_uframes_t frames, appl_ptr, appl_ofs; snd_pcm_uframes_t avail; @@ -1830,7 +1830,7 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream, if (frames > cont) frames = cont; if (snd_BUG_ON(!frames)) { - runtime->nowake = 0; + runtime->twake = 0; snd_pcm_stream_unlock_irq(substream); return -EINVAL; } @@ -1869,7 +1869,7 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(struct snd_pcm_substream *substream, } } _end_unlock: - runtime->nowake = 0; + runtime->twake = 0; if (xfer > 0 && err >= 0) snd_pcm_update_state(substream, runtime); snd_pcm_stream_unlock_irq(substream); @@ -2030,7 +2030,7 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, goto _end_unlock; } - runtime->nowake = 1; + runtime->twake = 1; while (size > 0) { snd_pcm_uframes_t frames, appl_ptr, appl_ofs; snd_pcm_uframes_t avail; @@ -2059,7 +2059,7 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, if (frames > cont) frames = cont; if (snd_BUG_ON(!frames)) { - runtime->nowake = 0; + runtime->twake = 0; snd_pcm_stream_unlock_irq(substream); return -EINVAL; } @@ -2092,7 +2092,7 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(struct snd_pcm_substream *substream, xfer += frames; } _end_unlock: - runtime->nowake = 0; + runtime->twake = 0; if (xfer > 0 && err >= 0) snd_pcm_update_state(substream, runtime); snd_pcm_stream_unlock_irq(substream); diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 88fff44702a..b53fa845004 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -919,6 +919,7 @@ static void snd_pcm_post_stop(struct snd_pcm_substream *substream, int state) runtime->status->state = state; } wake_up(&runtime->sleep); + wake_up(&runtime->tsleep); } static struct action_ops snd_pcm_action_stop = { @@ -1004,6 +1005,7 @@ static void snd_pcm_post_pause(struct snd_pcm_substream *substream, int push) SNDRV_TIMER_EVENT_MPAUSE, &runtime->trigger_tstamp); wake_up(&runtime->sleep); + wake_up(&runtime->tsleep); } else { runtime->status->state = SNDRV_PCM_STATE_RUNNING; if (substream->timer) @@ -1061,6 +1063,7 @@ static void snd_pcm_post_suspend(struct snd_pcm_substream *substream, int state) runtime->status->suspended_state = runtime->status->state; runtime->status->state = SNDRV_PCM_STATE_SUSPENDED; wake_up(&runtime->sleep); + wake_up(&runtime->tsleep); } static struct action_ops snd_pcm_action_suspend = { diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c index f745c317d6a..160b1bd0cd6 100644 --- a/sound/core/seq/seq_timer.c +++ b/sound/core/seq/seq_timer.c @@ -33,22 +33,21 @@ #define SKEW_BASE 0x10000 /* 16bit shift */ -static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer_tick *tick, - int tempo, int ppq) +static void snd_seq_timer_set_tick_resolution(struct snd_seq_timer *tmr) { - if (tempo < 1000000) - tick->resolution = (tempo * 1000) / ppq; + if (tmr->tempo < 1000000) + tmr->tick.resolution = (tmr->tempo * 1000) / tmr->ppq; else { /* might overflow.. */ unsigned int s; - s = tempo % ppq; - s = (s * 1000) / ppq; - tick->resolution = (tempo / ppq) * 1000; - tick->resolution += s; + s = tmr->tempo % tmr->ppq; + s = (s * 1000) / tmr->ppq; + tmr->tick.resolution = (tmr->tempo / tmr->ppq) * 1000; + tmr->tick.resolution += s; } - if (tick->resolution <= 0) - tick->resolution = 1; - snd_seq_timer_update_tick(tick, 0); + if (tmr->tick.resolution <= 0) + tmr->tick.resolution = 1; + snd_seq_timer_update_tick(&tmr->tick, 0); } /* create new timer (constructor) */ @@ -96,7 +95,7 @@ void snd_seq_timer_defaults(struct snd_seq_timer * tmr) /* setup defaults */ tmr->ppq = 96; /* 96 PPQ */ tmr->tempo = 500000; /* 120 BPM */ - snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq); + snd_seq_timer_set_tick_resolution(tmr); tmr->running = 0; tmr->type = SNDRV_SEQ_TIMER_ALSA; @@ -180,7 +179,7 @@ int snd_seq_timer_set_tempo(struct snd_seq_timer * tmr, int tempo) spin_lock_irqsave(&tmr->lock, flags); if ((unsigned int)tempo != tmr->tempo) { tmr->tempo = tempo; - snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq); + snd_seq_timer_set_tick_resolution(tmr); } spin_unlock_irqrestore(&tmr->lock, flags); return 0; @@ -205,7 +204,7 @@ int snd_seq_timer_set_ppq(struct snd_seq_timer * tmr, int ppq) } tmr->ppq = ppq; - snd_seq_timer_set_tick_resolution(&tmr->tick, tmr->tempo, tmr->ppq); + snd_seq_timer_set_tick_resolution(tmr); spin_unlock_irqrestore(&tmr->lock, flags); return 0; } |