SND_PCM_SET_SYNC(9) Sound Devices SND_PCM_SET_SYNC(9)NAMEsnd_pcm_set_sync - set the PCM sync idSYNOPSISvoid snd_pcm_set_sync(struct snd_pcm_substream * substream);ARGUMENTSsubstream the pcm substreamDESCRIPTIONSets the PCM sync identifier for the card.COPYRIGHTKernel Hackers Manual 2.6. July 2010 SND_PCM_SET_SYNC(9)