546 			u8 request, u8 * registers, u16 start, size_t size)  in write_packet()  argument
548 	if (!registers || size <= 0)  in write_packet()
557 			       registers,	/* buffer */  in write_packet()
568 		       u8 request, u8 * registers, u16 start, size_t size)  in read_packet()  argument
570 	if (!registers || size <= 0)  in read_packet()
579 			       registers,	/* buffer */  in read_packet()
590 			   void *registers,  in cpia2_usb_transfer_cmd()  argument
601 	if (!registers) {  in cpia2_usb_transfer_cmd()
607 		err = read_packet(udev, request, (u8 *)registers, start, count);  in cpia2_usb_transfer_cmd()
611 		err =write_packet(udev, request, (u8 *)registers, start, count);  in cpia2_usb_transfer_cmd()
617 			    count, ((unsigned char *) registers)[0]);  in cpia2_usb_transfer_cmd()