Source position: pcm.inc line 575
type snd_pcm_chmap_type = (
SND_CHMAP_TYPE_NONE = 0,
SND_CHMAP_TYPE_FIXED,
SND_CHMAP_TYPE_VAR,
SND_CHMAP_TYPE_PAIRED,
SND_CHMAP_TYPE_LAST = SND_CHMAP_TYPE_PAIRED
);