CTL_ID
uint32 masterIndex = CTL_ID(id, channel, unit->ID(), fInterface);
Controls[index].id = CTL_ID(id, channel + 1, unit->ID(), fInterface);
int32 recordMUX = CTL_ID(0, 0, selector->ID(), fInterface);
Controls[index].id = CTL_ID(0, 1, selector->ID(), fInterface);
controlIds[in][out] = CTL_ID(inOffset + inChannel + 1,
controlIds[in][out] = CTL_ID(USB_AUDIO_MIXER_CONTROL,