snd_pcm_suspend_all(9) centos man page | unix.com

SND_PCM_SUSPEND_ALL(9)						      PCM API						    SND_PCM_SUSPEND_ALL(9)

NAME
       snd_pcm_suspend_all - trigger SUSPEND to all substreams in the given pcm

SYNOPSIS
       int snd_pcm_suspend_all(struct snd_pcm * pcm);

ARGUMENTS
       pcm
	   the PCM instance

DESCRIPTION
       After this call, all streams are changed to SUSPENDED state.

RETURN
       Zero if successful (or pcm is NULL), or a negative error code.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						    SND_PCM_SUSPEND_ALL(9)