You can now map you gamepad buttons there. Check 'Generic Gamepad Configuration support' and pick your connected gamepad in the list.
You can check if you have the same problem by running /usr/bin/steam in the terminal and see if you get missing radeon driver errors. If you run into the known issue that Steam appears in the taskbar but then disappears (crashes without error) like I did follow the recommended solution in this Tutorial to fix this and leave a thumbs up for the author. (It refers to Ubuntu 12.04 but it works anyways)
To install the native Steam client follow the official tutorial by Valve. Yes we will be running two different Steam instances simulateously, one for Cuphead and one to handle the gamepad inputs.
You have requested vibmod 3.1.4.1.rar (85 KB).XBox 360 controller Emu for. From Torcache.Download File x360ce vibmod 3.1.4.1.rar. From (0MB ) x360ce vibmod 3.1.4.1 GTA IV and MAFIA 2.rar.
2.Then run the program and check if your racing wheel is recognize by the programm.