UAC3_EXTENSION_UNIT
UAC3_EXTENSION_UNIT);
case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT):
case UAC3_EXTENSION_UNIT:
case PTYPE(UAC_VERSION_3, UAC3_EXTENSION_UNIT):
if (v->type == UAC3_EXTENSION_UNIT) {
FUNC(UAC_VERSION_3, UAC3_EXTENSION_UNIT, validate_processing_unit),