snd_pcm_suspend
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## 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.

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