USB_CDC_MBIM_NDP16_IPS_SIGN
__le32 sign = cpu_to_le32(USB_CDC_MBIM_NDP16_IPS_SIGN);
case cpu_to_le32(USB_CDC_MBIM_NDP16_IPS_SIGN):
ndp16->dwSignature = cpu_to_le32(USB_CDC_MBIM_NDP16_IPS_SIGN | (session << 24));
!= cpu_to_le32(USB_CDC_MBIM_NDP16_IPS_SIGN)) {