MCS_WR_RTYPE
MCS_WRREQ, MCS_WR_RTYPE,
MCS_WR_RTYPE, 0x0300 | mcr_data, MODEM_CONTROL_REGISTER, NULL,
MCS_WR_RTYPE, val, reg, NULL, 0,
MCS_WR_RTYPE, val, reg, NULL, 0,
dr->bRequestType = MCS_WR_RTYPE;
usb_control_msg(dev, usb_sndctrlpipe(dev, 0), MCS_WRREQ, MCS_WR_RTYPE,