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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¶
January 2017 | Kernel Hackers Manual 4.8. |