SND_PCM_SUBSTREAM_TO(9)                      PCM API                      SND_PCM_SUBSTREAM_TO(9)



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

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