/* Sets the PCM sync identifier for the card.  */
void snd_pcm_set_sync(struct snd_pcm_substream *substream)
/* Sets the PCM sync identifier for the card.  */
void snd_pcm_set_sync(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;
	runtime->sync.id32[0] = substream->pcm->card->number;
	runtime->sync.id32[1] = -1;
	runtime->sync.id32[2] = -1;
	runtime->sync.id32[3] = -1;
}