uaudio20_mixer_determine_class
uaudio20_mixer_determine_class(&iot[id], &MIX(sc));
uaudio20_mixer_determine_class(&iot[id], &MIX(sc));
uint16_t terminal_type = uaudio20_mixer_determine_class(iot, mix);
static uint16_t uaudio20_mixer_determine_class(const struct uaudio_terminal_node *,