snd_pcm_suspend (9) Linux Manual Page
snd_pcm_suspend – trigger SUSPEND to all linked streams
Synopsis
int snd_pcm_suspend(struct snd_pcm_substream *substream);Arguments
substream
-
- the PCM substream
Description
After this call, all streams are changed to SUSPENDED state.
Return
Zero if successful (or substream is NULL), or a negative error code.