An USB adapter for Gamecube controller is required for this function !
- Connect your Gamecube adapter to your Recalbox
- Open the file:
/recalbox/share/system/recalbox.conf.
- In the controllers section, look for the following line:
gamecube.realgamecubepads=0
gamecube.realgamecubepads=1
- Your Gamecube controller is now working in Dolphin.