Reguarding Retroarch snap with the use of the Steam Controller through the application SC-Controller to emulate an Xbox360 controller:
As recommended the snap is connectet with joystick and raw-usb
Retroarch should detect the steam controller as xbox controller and allow to be configured as such.
The controller doesn’t get detected. However i can switch through the SC-Controller app to a desktop-layout which allows keyboard and mouse input with the controller (but that’s not practical).
Retroarch added via PPA and apt or flatpak detects the steam controller as xbox controller with no problem.
Why can’t retroarch snap access the steam controller?