146 static void fcp_fill_request_header(struct fcp_data *private,  in fcp_fill_request_header()  argument
151 	u16 seq = private->seq++;  in fcp_fill_request_header()
183 	struct fcp_data *private = mixer->private_data;  in fcp_usb()  local
205 	fcp_fill_request_header(private, req, opcode, req_size);  in fcp_usb()
211 	err = fcp_usb_tx(dev, private->bInterfaceNumber, req, req_buf_size);  in fcp_usb()
223 	if (!wait_for_completion_timeout(&private->cmd_done,  in fcp_usb()
232 	err = fcp_usb_rx(dev, private->bInterfaceNumber, resp, resp_buf_size);  in fcp_usb()
302 	struct fcp_data *private = mixer->private_data;  in fcp_reinit()  local
309 	step0_resp = kmalloc(private->step0_resp_size, GFP_KERNEL);  in fcp_reinit()
312 	step2_resp = kmalloc(private->step2_resp_size, GFP_KERNEL);  in fcp_reinit()
384 	struct fcp_data *private = mixer->private_data;  in fcp_meter_ctl_get()  local
386 	__le32 *resp = private->meter_levels;  in fcp_meter_ctl_get()
395 	guard(mutex)(&private->mutex);  in fcp_meter_ctl_get()
401 	num_meter_slots = private->num_meter_slots;  in fcp_meter_ctl_get()
414 		int idx = private->meter_level_map[i];  in fcp_meter_ctl_get()
429 	struct fcp_data *private = mixer->private_data;  in fcp_meter_tlv_callback()  local
431 	guard(mutex)(&private->mutex);  in fcp_meter_tlv_callback()
434 		if (private->meter_labels_tlv_size == 0)  in fcp_meter_tlv_callback()
437 		if (size > private->meter_labels_tlv_size)  in fcp_meter_tlv_callback()
438 			size = private->meter_labels_tlv_size;  in fcp_meter_tlv_callback()
440 		if (copy_to_user(tlv, private->meter_labels_tlv, size))  in fcp_meter_tlv_callback()
466 	struct fcp_data *private = mixer->private_data;  in fcp_ioctl_init()  local
492 	private->step0_resp_size = init.step0_resp_size;  in fcp_ioctl_init()
493 	private->step2_resp_size = init.step2_resp_size;  in fcp_ioctl_init()
494 	private->init1_opcode = init.init1_opcode;  in fcp_ioctl_init()
495 	private->init2_opcode = init.init2_opcode;  in fcp_ioctl_init()
497 	step2_resp = resp + private->step0_resp_size;  in fcp_ioctl_init()
621 	struct fcp_data *private = mixer->private_data;  in fcp_ioctl_set_meter_map()  local
629 	if (private->meter_ctl) {  in fcp_ioctl_set_meter_map()
631 			private->meter_ctl->private_data;  in fcp_ioctl_set_meter_map()
634 		    map.meter_slots != private->num_meter_slots)  in fcp_ioctl_set_meter_map()
653 	if (!private->meter_ctl) {  in fcp_ioctl_set_meter_map()
670 				      "Level Meter", &private->meter_ctl);  in fcp_ioctl_set_meter_map()
674 		/* Success; save the pointers in private and don't free them */  in fcp_ioctl_set_meter_map()
675 		private->meter_level_map = new_map;  in fcp_ioctl_set_meter_map()
676 		private->meter_levels = meter_levels;  in fcp_ioctl_set_meter_map()
677 		private->num_meter_slots = map.meter_slots;  in fcp_ioctl_set_meter_map()
683 	memcpy(private->meter_level_map, tmp_map, map.map_size * sizeof(s16));  in fcp_ioctl_set_meter_map()
693 	struct fcp_data *private = mixer->private_data;  in fcp_ioctl_set_meter_labels()  local
704 		if (private->meter_labels_tlv) {  in fcp_ioctl_set_meter_labels()
705 			private->meter_ctl->vd[0].access &=  in fcp_ioctl_set_meter_labels()
710 				       &private->meter_ctl->id);  in fcp_ioctl_set_meter_labels()
713 		kfree(private->meter_labels_tlv);  in fcp_ioctl_set_meter_labels()
714 		private->meter_labels_tlv = NULL;  in fcp_ioctl_set_meter_labels()
715 		private->meter_labels_tlv_size = 0;  in fcp_ioctl_set_meter_labels()
742 	if (!private->meter_labels_tlv) {  in fcp_ioctl_set_meter_labels()
743 		private->meter_ctl->vd[0].access |=  in fcp_ioctl_set_meter_labels()
748 			       &private->meter_ctl->id);  in fcp_ioctl_set_meter_labels()
752 	kfree(private->meter_labels_tlv);  in fcp_ioctl_set_meter_labels()
753 	private->meter_labels_tlv = tlv_data;  in fcp_ioctl_set_meter_labels()
754 	private->meter_labels_tlv_size = tlv_size;  in fcp_ioctl_set_meter_labels()
762 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_open()  local
767 	private->file = file;  in fcp_hwdep_open()
776 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_ioctl()  local
779 	guard(mutex)(&private->mutex);  in fcp_hwdep_ioctl()
792 		if (!private->init)  in fcp_hwdep_ioctl()
797 		if (!private->init)  in fcp_hwdep_ioctl()
802 		if (!private->init)  in fcp_hwdep_ioctl()
804 		if (!private->meter_ctl)  in fcp_hwdep_ioctl()
819 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_read()  local
826 	ret = wait_event_interruptible(private->notify.queue,  in fcp_hwdep_read()
827 				       private->notify.event);  in fcp_hwdep_read()
831 	scoped_guard(spinlock_irqsave, &private->notify.lock) {  in fcp_hwdep_read()
832 		event = private->notify.event;  in fcp_hwdep_read()
833 		private->notify.event = 0;  in fcp_hwdep_read()
847 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_poll()  local
850 	poll_wait(file, &private->notify.queue, wait);  in fcp_hwdep_poll()
852 	if (private->notify.event)  in fcp_hwdep_poll()
861 	struct fcp_data *private = mixer->private_data;  in fcp_hwdep_release()  local
863 	if (!private)  in fcp_hwdep_release()
866 	private->file = NULL;  in fcp_hwdep_release()
907 	struct fcp_data *private = mixer->private_data;  in fcp_private_free()  local
911 	kfree(private->meter_level_map);  in fcp_private_free()
912 	kfree(private->meter_levels);  in fcp_private_free()
913 	kfree(private->meter_labels_tlv);  in fcp_private_free()
914 	kfree(private);  in fcp_private_free()
928 	struct fcp_data *private = mixer->private_data;  in fcp_notify()  local
940 		complete(&private->cmd_done);  in fcp_notify()
945 		scoped_guard(spinlock_irqsave, &private->notify.lock) {  in fcp_notify()
946 			private->notify.event |= data;  in fcp_notify()
949 		wake_up_interruptible(&private->notify.queue);  in fcp_notify()
959 		complete(&private->cmd_done);  in fcp_notify()
967 	struct fcp_data *private = mixer->private_data;  in fcp_init_notify()  local
968 	unsigned int pipe = usb_rcvintpipe(dev, private->bEndpointAddress);  in fcp_init_notify()
983 	transfer_buffer = kmalloc(private->wMaxPacketSize, GFP_KERNEL);  in fcp_init_notify()
991 			 transfer_buffer, private->wMaxPacketSize,  in fcp_init_notify()
992 			 fcp_notify, mixer, private->bInterval);  in fcp_init_notify()
994 	init_completion(&private->cmd_done);  in fcp_init_notify()
1014 	struct fcp_data *private = mixer->private_data;  in fcp_init()  local
1021 		0, private->bInterfaceNumber,  in fcp_init()
1022 		step0_resp, private->step0_resp_size);  in fcp_init()
1030 	private->seq = 0;  in fcp_init()
1031 	private->init = 1;  in fcp_init()
1033 	err = fcp_usb(mixer, private->init1_opcode, NULL, 0, NULL, 0);  in fcp_init()
1037 	err = fcp_usb(mixer, private->init2_opcode,  in fcp_init()
1038 		      NULL, 0, step2_resp, private->step2_resp_size);  in fcp_init()
1047 	struct fcp_data *private =  in fcp_init_private()  local
1050 	if (!private)  in fcp_init_private()
1053 	mutex_init(&private->mutex);  in fcp_init_private()
1054 	init_waitqueue_head(&private->notify.queue);  in fcp_init_private()
1055 	spin_lock_init(&private->notify.lock);  in fcp_init_private()
1057 	mixer->private_data = private;  in fcp_init_private()
1061 	private->mixer = mixer;  in fcp_init_private()
1069  * in private
1074 	struct fcp_data *private = mixer->private_data;  in fcp_find_fc_interface()  local
1088 		private->bInterfaceNumber = desc->bInterfaceNumber;  in fcp_find_fc_interface()
1089 		private->bEndpointAddress = usb_endpoint_num(epd);  in fcp_find_fc_interface()
1090 		private->wMaxPacketSize = le16_to_cpu(epd->wMaxPacketSize);  in fcp_find_fc_interface()
1091 		private->bInterval = epd->bInterval;  in fcp_find_fc_interface()