On Windows, the GameCube controller adapter will need a custom driver to let Dolphin detect it and use it, Zadig can help you with it. When using a Gamecube controller with the adapter in PC mode, analog sticks don't work, plain and simple. Head back to the Mesozoic and rumble with the dinosaurs! Dolphin Gamecube Controller Driver Not Detected Windows 10. Otherwise the thing would be fully functional.
Only one GAMECUBE Controller is supported on the POKKEN TOURNAMENT controller mode. Mayflash gamecube adapter driver dolphin Drivers will automatically install.