UAC_FEATURE_UNIT
fu_desc->bDescriptorSubtype = UAC_FEATURE_UNIT;
.type = UAC_FEATURE_UNIT,
.bDescriptorSubtype = UAC_FEATURE_UNIT,
fu_desc->bDescriptorSubtype = UAC_FEATURE_UNIT;
case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT):
case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT):
case PTYPE(UAC_VERSION_1, UAC_FEATURE_UNIT):
case PTYPE(UAC_VERSION_2, UAC_FEATURE_UNIT):
FUNC(UAC_VERSION_1, UAC_FEATURE_UNIT, validate_uac1_feature_unit),
FUNC(UAC_VERSION_2, UAC_FEATURE_UNIT, validate_uac2_feature_unit),