[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 <perex@suse.cz>

2 files changed, 11 insertions, 5 deletions

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<<SNDRV_TIMER_EVENT_STOP)|
                               (1<<SNDRV_TIMER_EVENT_CONTINUE)|
                               (1<<SNDRV_TIMER_EVENT_PAUSE)|
+                              (1<<SNDRV_TIMER_EVENT_SUSPEND)|
+                              (1<<SNDRV_TIMER_EVENT_RESUME)|
                               (1<<SNDRV_TIMER_EVENT_MSTART)|
                               (1<<SNDRV_TIMER_EVENT_MSTOP)|
                               (1<<SNDRV_TIMER_EVENT_MCONTINUE)|
-                              (1<<SNDRV_TIMER_EVENT_MPAUSE))) {
+                              (1<<SNDRV_TIMER_EVENT_MPAUSE|
+                              (1<<SNDRV_TIMER_EVENT_MSUSPEND|
+                              (1<<SNDRV_TIMER_EVENT_MRESUME))) {
                 err = -EINVAL;
                 goto _end;
         }