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path: root/sound/core/compress_offload.c
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Diffstat (limited to 'sound/core/compress_offload.c')
-rw-r--r--sound/core/compress_offload.c39
1 files changed, 31 insertions, 8 deletions
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index c1fec932c49d..debc30fcf5b3 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -709,11 +709,22 @@ static int snd_compr_pause(struct snd_compr_stream *stream)
{
int retval;
- if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)
+ switch (stream->runtime->state) {
+ case SNDRV_PCM_STATE_RUNNING:
+ retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_PUSH);
+ if (!retval)
+ stream->runtime->state = SNDRV_PCM_STATE_PAUSED;
+ break;
+ case SNDRV_PCM_STATE_DRAINING:
+ if (!stream->device->use_pause_in_draining)
+ return -EPERM;
+ retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_PUSH);
+ if (!retval)
+ stream->pause_in_draining = true;
+ break;
+ default:
return -EPERM;
- retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_PUSH);
- if (!retval)
- stream->runtime->state = SNDRV_PCM_STATE_PAUSED;
+ }
return retval;
}
@@ -721,11 +732,22 @@ static int snd_compr_resume(struct snd_compr_stream *stream)
{
int retval;
- if (stream->runtime->state != SNDRV_PCM_STATE_PAUSED)
+ switch (stream->runtime->state) {
+ case SNDRV_PCM_STATE_PAUSED:
+ retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_RELEASE);
+ if (!retval)
+ stream->runtime->state = SNDRV_PCM_STATE_RUNNING;
+ break;
+ case SNDRV_PCM_STATE_DRAINING:
+ if (!stream->pause_in_draining)
+ return -EPERM;
+ retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_RELEASE);
+ if (!retval)
+ stream->pause_in_draining = false;
+ break;
+ default:
return -EPERM;
- retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_RELEASE);
- if (!retval)
- stream->runtime->state = SNDRV_PCM_STATE_RUNNING;
+ }
return retval;
}
@@ -768,6 +790,7 @@ static int snd_compr_stop(struct snd_compr_stream *stream)
/* clear flags and stop any drain wait */
stream->partial_drain = false;
stream->metadata_set = false;
+ stream->pause_in_draining = false;
snd_compr_drain_notify(stream);
stream->runtime->total_bytes_available = 0;
stream->runtime->total_bytes_transferred = 0;