snd_pcm_attach_substream - Linux

Symbol: snd_pcm_attach_substream

include/sound/pcm.h

int snd_pcm_attach_substream(struct snd_pcm *pcm, int stream, struct file *file,

sound/core/pcm_native.c

err = snd_pcm_attach_substream(pcm, stream, file, &substream);