cs5535au->playback_substream = substream;
runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_PLAYBACK]);
if ((err = snd_pcm_hw_constraint_integer(runtime,
cs5535au->playback_substream = substream;
runtime->private_data = &(cs5535au->dmas[CS5535AUDIO_DMA_PLAYBACK]);
if ((err = snd_pcm_hw_constraint_integer(runtime,