Official GameCube Controller Adapter for Wii U As of, Dolphin has built in support for the, the only official USB GameCube adapter available. With Dolphin's implementation, the GameCube controller is auto-configured and calibrated, with full rumble support. Wireless controllers and bongos are supported. This guide is primarily for the official adapter, but third-party adapters that are compatible with Super Smash Bros.
For Wii U generally also work. If your adapter has a switch for choosing between PC mode and Wii U mode, set it to Wii U mode before following these instructions.
Real GameCube Controller (GameCube Adapter) To use the actual GameCube Controllers using an Official GameCube Controller Adapter for Wii U (and its clones), see How to use the Official GameCube Controller Adapter for Wii U in Dolphin. It does not require any button configuration. May 16, 2018 - Service is running and I tried 'modprobe uinput' and running dolphin as root, but the adapter in Wii U or PC mode (Mayflash 4-port) is not.