snd_pcm_stop - try to stop all running streams in the substream group
2. SYNOPSIS ▲
int snd_pcm_stop(struct snd_pcm_substream * substream , snd_pcm_state_t state );
3. ARGUMENTS ▲
the PCM substream instance
PCM state after stopping the stream
4. DESCRIPTION ▲
The state of each stream is then changed to the given state unconditionally.
5. RETURN ▲
Zero if succesful, or a negative error code.
6. COPYRIGHT ▲