188 static uint8_t get_num_of_channels(const struct feature_unit_descriptor *fu)  in get_num_of_channels()  argument
190 	return (fu->bLength - FU_FIXED_ELEMS_SIZE)/sizeof(uint16_t);  in get_num_of_channels()
197 static uint16_t get_controls(const struct feature_unit_descriptor *fu)  in get_controls()  argument
199 	return sys_get_le16((uint8_t *)&fu->bmaControls[0]);  in get_controls()
206 				const struct feature_unit_descriptor *fu)  in get_fu_dir()  argument
210 		((uint8_t *)fu + fu->bLength);  in get_fu_dir()
228 	struct feature_unit_descriptor *fu;  in fix_fu_descriptors()  local
233 	fu = (struct feature_unit_descriptor *)((uint8_t *)header +  in fix_fu_descriptors()
238 	for (int i = 1; i < get_num_of_channels(fu); i++) {  in fix_fu_descriptors()
239 		(void)memcpy(&fu->bmaControls[i],  in fix_fu_descriptors()
240 			     &fu->bmaControls[0],  in fix_fu_descriptors()
245 		fu = (struct feature_unit_descriptor *)((uint8_t *)fu +  in fix_fu_descriptors()
246 			fu->bLength +  in fix_fu_descriptors()
249 		for (int i = 1; i < get_num_of_channels(fu); i++) {  in fix_fu_descriptors()
250 			(void)memcpy(&fu->bmaControls[i],  in fix_fu_descriptors()
251 				     &fu->bmaControls[0],  in fix_fu_descriptors()
266 	struct feature_unit_descriptor *fu;  in get_feature_unit()  local
268 	fu = (struct feature_unit_descriptor *)  in get_feature_unit()
273 	if (fu->bUnitID == fu_id) {  in get_feature_unit()
275 		return fu;  in get_feature_unit()
278 	fu = (struct feature_unit_descriptor *)  in get_feature_unit()
279 			((uint8_t *)fu + fu->bLength +  in get_feature_unit()
284 	return fu;  in get_feature_unit()
398 	const struct feature_unit_descriptor *fu;  in is_entity_valid()  local
401 	fu = (struct feature_unit_descriptor *)((uint8_t *)header +  in is_entity_valid()
404 	if (fu->bUnitID == entity->id) {  in is_entity_valid()
405 		entity->subtype = fu->bDescriptorSubtype;  in is_entity_valid()
410 		fu = (struct feature_unit_descriptor *)((uint8_t *)fu +  in is_entity_valid()
411 			fu->bLength +  in is_entity_valid()
414 		if (fu->bUnitID == entity->id) {  in is_entity_valid()
415 			entity->subtype = fu->bDescriptorSubtype;  in is_entity_valid()
641 	const struct feature_unit_descriptor *fu;  in handle_feature_unit_req()  local
651 	fu = get_feature_unit(audio_dev_data, &device, fu_id);  in handle_feature_unit_req()
659 	if (!(BIT(cs) & (get_controls(fu) << 1))) {  in handle_feature_unit_req()
690 			evt.dir = get_fu_dir(fu);  in handle_feature_unit_req()