263 				struct usb_audio_dev_data *audio_dev_data,  in get_feature_unit()  argument
269 		((uint8_t *)audio_dev_data->desc_hdr +  in get_feature_unit()
270 		audio_dev_data->desc_hdr->bLength +  in get_feature_unit()
352 	struct usb_audio_dev_data *audio_dev_data;  in audio_cb_usb_status()  local
362 	audio_dev_data = CONTAINER_OF(dev_data, struct usb_audio_dev_data,  in audio_cb_usb_status()
367 		audio_dc_sof(cfg, audio_dev_data);  in audio_cb_usb_status()
394 static bool is_entity_valid(struct usb_audio_dev_data *audio_dev_data,  in is_entity_valid()  argument
400 	header = audio_dev_data->desc_hdr;  in is_entity_valid()
439 	struct usb_audio_dev_data *audio_dev_data;  in get_audio_dev_data_by_entity()  local
442 		audio_dev_data = CONTAINER_OF(dev_data,  in get_audio_dev_data_by_entity()
446 		if (is_entity_valid(audio_dev_data, entity)) {  in get_audio_dev_data_by_entity()
447 			return audio_dev_data;  in get_audio_dev_data_by_entity()
466 static bool is_interface_valid(struct usb_audio_dev_data *audio_dev_data,  in is_interface_valid()  argument
471 	header = audio_dev_data->desc_hdr;  in is_interface_valid()
498 	struct usb_audio_dev_data *audio_dev_data;  in get_audio_dev_data_by_iface()  local
501 		audio_dev_data = CONTAINER_OF(dev_data,  in get_audio_dev_data_by_iface()
505 		if (is_interface_valid(audio_dev_data, interface)) {  in get_audio_dev_data_by_iface()
506 			return audio_dev_data;  in get_audio_dev_data_by_iface()
527 static int handle_fu_mute_req(struct usb_audio_dev_data *audio_dev_data,  in handle_fu_mute_req()  argument
534 	uint8_t ch_cnt = audio_dev_data->ch_cnt[device];  in handle_fu_mute_req()
535 	uint8_t *controls = audio_dev_data->controls[device];  in handle_fu_mute_req()
562 static int handle_fu_volume_req(struct usb_audio_dev_data *audio_dev_data,  in handle_fu_volume_req()  argument
567 	uint8_t ch_cnt = audio_dev_data->ch_cnt[device];  in handle_fu_volume_req()
568 	uint8_t *controls = audio_dev_data->controls[device];  in handle_fu_volume_req()
581 			if (!IN_RANGE(target_vol, audio_dev_data->volumes.volume_min,  in handle_fu_volume_req()
582 				      audio_dev_data->volumes.volume_max)) {  in handle_fu_volume_req()
586 			if (target_vol % audio_dev_data->volumes.volume_res != 0) {  in handle_fu_volume_req()
588 					audio_dev_data->volumes.volume_res);  in handle_fu_volume_req()
603 			*len = sizeof(audio_dev_data->volumes.volume_min);  in handle_fu_volume_req()
604 			temp_vol = sys_cpu_to_le16(audio_dev_data->volumes.volume_min);  in handle_fu_volume_req()
608 			*len = sizeof(audio_dev_data->volumes.volume_max);  in handle_fu_volume_req()
609 			temp_vol = sys_cpu_to_le16(audio_dev_data->volumes.volume_max);  in handle_fu_volume_req()
613 			*len = sizeof(audio_dev_data->volumes.volume_res);  in handle_fu_volume_req()
614 			temp_vol = sys_cpu_to_le16(audio_dev_data->volumes.volume_res);  in handle_fu_volume_req()
637 static int handle_feature_unit_req(struct usb_audio_dev_data *audio_dev_data,  in handle_feature_unit_req()  argument
651 	fu = get_feature_unit(audio_dev_data, &device, fu_id);  in handle_feature_unit_req()
654 	ch_cnt = audio_dev_data->ch_cnt[device];  in handle_feature_unit_req()
669 		ret = handle_fu_mute_req(audio_dev_data, pSetup,  in handle_feature_unit_req()
673 		ret = handle_fu_volume_req(audio_dev_data, pSetup,  in handle_feature_unit_req()
685 	if (audio_dev_data->ops && audio_dev_data->ops->feature_update_cb) {  in handle_feature_unit_req()
691 			audio_dev_data->ops->feature_update_cb(  in handle_feature_unit_req()
692 					audio_dev_data->common.dev, &evt);  in handle_feature_unit_req()
716 	struct usb_audio_dev_data *audio_dev_data;  in handle_interface_req()  local
734 	audio_dev_data = get_audio_dev_data_by_entity(&entity);  in handle_interface_req()
736 	if (audio_dev_data == NULL) {  in handle_interface_req()
743 		return handle_feature_unit_req(audio_dev_data,  in handle_interface_req()
772 	struct usb_audio_dev_data *audio_dev_data;  in audio_custom_handler()  local
783 	audio_dev_data = get_audio_dev_data_by_iface(iface);  in audio_custom_handler()
784 	if (audio_dev_data == NULL) {  in audio_custom_handler()
792 	header = audio_dev_data->desc_hdr;  in audio_custom_handler()
820 			audio_dev_data->tx_enable = pSetup->wValue;  in audio_custom_handler()
822 			audio_dev_data->rx_enable = pSetup->wValue;  in audio_custom_handler()
864 	struct usb_audio_dev_data *audio_dev_data;  in audio_write_cb()  local
868 	audio_dev_data = dev_data->dev->data;  in audio_write_cb()
871 		size, ep, audio_dev_data);  in audio_write_cb()
877 	if (audio_dev_data->ops && audio_dev_data->ops->data_written_cb) {  in audio_write_cb()
878 		audio_dev_data->ops->data_written_cb(dev_data->dev,  in audio_write_cb()
889 	struct usb_audio_dev_data *audio_dev_data = dev->data;  in usb_audio_send()  local
899 	if (!audio_dev_data->tx_enable) {  in usb_audio_send()
918 	struct usb_audio_dev_data *audio_dev_data = dev->data;  in usb_audio_get_in_frame_size()  local
920 	return audio_dev_data->in_frame_size;  in usb_audio_get_in_frame_size()
926 	struct usb_audio_dev_data *audio_dev_data;  in audio_receive_cb()  local
939 	audio_dev_data = CONTAINER_OF(common, struct usb_audio_dev_data,  in audio_receive_cb()
945 	if (!audio_dev_data->rx_enable) {  in audio_receive_cb()
952 	if (audio_dev_data->ops && audio_dev_data->ops->data_received_cb) {  in audio_receive_cb()
953 		buffer = net_buf_alloc(audio_dev_data->pool, K_NO_WAIT);  in audio_receive_cb()
971 		audio_dev_data->ops->data_received_cb(common->dev,  in audio_receive_cb()
980 	struct usb_audio_dev_data *audio_dev_data = dev->data;  in usb_audio_register()  local
988 	audio_dev_data->ops = ops;  in usb_audio_register()
989 	audio_dev_data->common.dev = dev;  in usb_audio_register()
990 	audio_dev_data->rx_enable = false;  in usb_audio_register()
991 	audio_dev_data->tx_enable = false;  in usb_audio_register()
992 	audio_dev_data->desc_hdr = header;  in usb_audio_register()
994 	sys_slist_append(&usb_audio_data_devlist, &audio_dev_data->common.node);  in usb_audio_register()
997 		dev, audio_dev_data, dev->config,  in usb_audio_register()