stream->metadata_set = false;
stream->next_track = false;
- if (stream->direction == SND_COMPRESS_PLAYBACK)
- stream->runtime->state = SNDRV_PCM_STATE_SETUP;
- else
- stream->runtime->state = SNDRV_PCM_STATE_PREPARED;
+ stream->runtime->state = SNDRV_PCM_STATE_SETUP;
} else {
return -EPERM;
}
{
int retval;
- if (stream->runtime->state != SNDRV_PCM_STATE_PREPARED)
+ switch (stream->runtime->state) {
+ case SNDRV_PCM_STATE_SETUP:
+ if (stream->direction != SND_COMPRESS_CAPTURE)
+ return -EPERM;
+ break;
+ case SNDRV_PCM_STATE_PREPARED:
+ break;
+ default:
return -EPERM;
+ }
+
retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_START);
if (!retval)
stream->runtime->state = SNDRV_PCM_STATE_RUNNING;
{
int retval;
- if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||
- stream->runtime->state == SNDRV_PCM_STATE_SETUP)
+ switch (stream->runtime->state) {
+ case SNDRV_PCM_STATE_OPEN:
+ case SNDRV_PCM_STATE_SETUP:
+ case SNDRV_PCM_STATE_PREPARED:
return -EPERM;
+ default:
+ break;
+ }
+
retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_STOP);
if (!retval) {
snd_compr_drain_notify(stream);
{
int retval;
- if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||
- stream->runtime->state == SNDRV_PCM_STATE_SETUP)
+ switch (stream->runtime->state) {
+ case SNDRV_PCM_STATE_OPEN:
+ case SNDRV_PCM_STATE_SETUP:
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_PAUSED:
return -EPERM;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ default:
+ break;
+ }
retval = stream->ops->trigger(stream, SND_COMPR_TRIGGER_DRAIN);
if (retval) {
if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)
return -EPERM;
+ /* next track doesn't have any meaning for capture streams */
+ if (stream->direction == SND_COMPRESS_CAPTURE)
+ return -EPERM;
+
/* you can signal next track if this is intended to be a gapless stream
* and current track metadata is set
*/
static int snd_compr_partial_drain(struct snd_compr_stream *stream)
{
int retval;
- if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||
- stream->runtime->state == SNDRV_PCM_STATE_SETUP)
+
+ switch (stream->runtime->state) {
+ case SNDRV_PCM_STATE_OPEN:
+ case SNDRV_PCM_STATE_SETUP:
+ case SNDRV_PCM_STATE_PREPARED:
+ case SNDRV_PCM_STATE_PAUSED:
+ return -EPERM;
+ case SNDRV_PCM_STATE_XRUN:
+ return -EPIPE;
+ default:
+ break;
+ }
+
+ /* partial drain doesn't have any meaning for capture streams */
+ if (stream->direction == SND_COMPRESS_CAPTURE)
return -EPERM;
+
/* stream can be drained only when next track has been signalled */
if (stream->next_track == false)
return -EPERM;