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 successful, or a negative error code.