Name
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.