PCAN_USBPRO_SETBUSACT
case PCAN_USBPRO_SETBUSACT:
pcan_msg_add_rec(&um, PCAN_USBPRO_SETBUSACT, dev->ctrl_idx, onoff);
pcan_msg_add_rec(&um, PCAN_USBPRO_SETBUSACT, dev->ctrl_idx, 1);
[PCAN_USBPRO_SETBUSACT] = sizeof(struct pcan_usb_pro_busact),