NAME
snd_pcm_substream_to_dma_direction - Get dma_transfer_direction for a PCM substream
SYNOPSIS
enum dma_transfer_direction snd_pcm_substream_to_dma_direction(const struct snd_pcm_substream * substream);
ARGUMENTS
substream
PCM substream
snd_pcm_substream_to_dma_direction(9)
Get dma_transfer_direction for a PCM substream