Name

snd_dmaengine_pcm_trigger — dmaengine based PCM trigger implementation

Synopsis

int snd_dmaengine_pcm_trigger (struct snd_pcm_substream * substream,
 int cmd);
 

Arguments

substream

PCM substream

cmd

Trigger command

Description

Returns 0 on success, a negative error code otherwise.

This function can be used as the PCM trigger callback for dmaengine based PCM driver implementations.