SND_DMAENGINE_PCM_TR(9)                      PCM API                      SND_DMAENGINE_PCM_TR(9)



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.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   SND_DMAENGINE_PCM_TR(9)