From a501dfa3a763451dedd583eb90a6c9e90d0e3a3c Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Tue, 16 Aug 2005 11:09:05 +0200 Subject: [ALSA] Timer API - added SUSPEND/RESUME events PCM Midlevel,Timer Midlevel,ALSA Core - added SNDRV_TIMER_EVENT_SUSPEND / RESUME events - changed timer events from PAUSE / CONTINUE in PCM midlevel to SUSPEND / RESUME Signed-off-by: Jaroslav Kysela --- include/sound/asound.h | 6 +++++- sound/core/pcm_native.c | 4 ++-- sound/core/timer.c | 12 +++++++++--- 3 files changed, 16 insertions(+), 6 deletions(-) diff --git a/include/sound/asound.h b/include/sound/asound.h index 9974f83cca44..694b6e66efcb 100644 --- a/include/sound/asound.h +++ b/include/sound/asound.h @@ -560,7 +560,7 @@ enum { * Timer section - /dev/snd/timer */ -#define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 4) +#define SNDRV_TIMER_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 5) enum sndrv_timer_class { SNDRV_TIMER_CLASS_NONE = -1, @@ -693,11 +693,15 @@ enum sndrv_timer_event { SNDRV_TIMER_EVENT_CONTINUE, /* val = resolution in ns */ SNDRV_TIMER_EVENT_PAUSE, /* val = 0 */ SNDRV_TIMER_EVENT_EARLY, /* val = 0, early event */ + SNDRV_TIMER_EVENT_SUSPEND, /* val = 0 */ + SNDRV_TIMER_EVENT_RESUME, /* val = 0 */ /* master timer events for slave timer instances */ SNDRV_TIMER_EVENT_MSTART = SNDRV_TIMER_EVENT_START + 10, SNDRV_TIMER_EVENT_MSTOP = SNDRV_TIMER_EVENT_STOP + 10, SNDRV_TIMER_EVENT_MCONTINUE = SNDRV_TIMER_EVENT_CONTINUE + 10, SNDRV_TIMER_EVENT_MPAUSE = SNDRV_TIMER_EVENT_PAUSE + 10, + SNDRV_TIMER_EVENT_MSUSPEND = SNDRV_TIMER_EVENT_SUSPEND + 10, + SNDRV_TIMER_EVENT_MRESUME = SNDRV_TIMER_EVENT_RESUME + 10, }; struct sndrv_timer_tread { diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 5041be25d75b..03c17159dd8e 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -1025,7 +1025,7 @@ static void snd_pcm_post_suspend(snd_pcm_substream_t *substream, int state) snd_pcm_runtime_t *runtime = substream->runtime; snd_pcm_trigger_tstamp(substream); if (substream->timer) - snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MPAUSE, &runtime->trigger_tstamp); + snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MSUSPEND, &runtime->trigger_tstamp); runtime->status->suspended_state = runtime->status->state; runtime->status->state = SNDRV_PCM_STATE_SUSPENDED; snd_pcm_tick_set(substream, 0); @@ -1115,7 +1115,7 @@ static void snd_pcm_post_resume(snd_pcm_substream_t *substream, int state) snd_pcm_runtime_t *runtime = substream->runtime; snd_pcm_trigger_tstamp(substream); if (substream->timer) - snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MCONTINUE, &runtime->trigger_tstamp); + snd_timer_notify(substream->timer, SNDRV_TIMER_EVENT_MRESUME, &runtime->trigger_tstamp); runtime->status->state = runtime->status->suspended_state; if (runtime->sleep_min) snd_pcm_tick_prepare(substream); diff --git a/sound/core/timer.c b/sound/core/timer.c index c3997e047214..56bd383a06c2 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -880,9 +880,11 @@ void snd_timer_notify(snd_timer_t *timer, enum sndrv_timer_event event, struct t struct list_head *p, *n; snd_runtime_check(timer->hw.flags & SNDRV_TIMER_HW_SLAVE, return); - snd_assert(event >= SNDRV_TIMER_EVENT_MSTART && event <= SNDRV_TIMER_EVENT_MPAUSE, return); + snd_assert(event >= SNDRV_TIMER_EVENT_MSTART && event <= SNDRV_TIMER_EVENT_MRESUME, return); spin_lock_irqsave(&timer->lock, flags); - if (event == SNDRV_TIMER_EVENT_MSTART || event == SNDRV_TIMER_EVENT_MCONTINUE) { + if (event == SNDRV_TIMER_EVENT_MSTART || + event == SNDRV_TIMER_EVENT_MCONTINUE || + event == SNDRV_TIMER_EVENT_MRESUME) { if (timer->hw.c_resolution) resolution = timer->hw.c_resolution(timer); else @@ -1555,10 +1557,14 @@ static int snd_timer_user_params(struct file *file, snd_timer_params_t __user *_ (1<