Say Y here if you have a Zhen Hua PPM-4CH transmitter which is
supplied with a ready to fly micro electric indoor helicopters
such as EasyCopter, Lama, MiniCopter, DragonFly or Jabo and want
to use it via serial cable as a joystick.

To compile this driver as a module, choose M here: the
module will be called zhenhua.