snd_pcm_stop(9) centos man page | unix.com

SND_PCM_STOP(9) 						      PCM API							   SND_PCM_STOP(9)

NAME
       snd_pcm_stop - try to stop all running streams in the substream group

SYNOPSIS
       int snd_pcm_stop(struct snd_pcm_substream * substream, snd_pcm_state_t state);

ARGUMENTS
       substream
	   the PCM substream instance

       state
	   PCM state after stopping the stream

DESCRIPTION
       The state of each stream is then changed to the given state unconditionally.

RETURN
       Zero if succesful, or a negative error code.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							   SND_PCM_STOP(9)