snd_pcm_set_sync(9) centos man page | unix.com

SND_PCM_SET_SYNC(9)						      PCM API						       SND_PCM_SET_SYNC(9)

NAME
       snd_pcm_set_sync - set the PCM sync id

SYNOPSIS
       void snd_pcm_set_sync(struct snd_pcm_substream * substream);

ARGUMENTS
       substream
	   the pcm substream

DESCRIPTION
       Sets the PCM sync identifier for the card.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						       SND_PCM_SET_SYNC(9)