SDL2: Fallback controller not working with SDL2, and interupts the keyboard

[davidhedlund]

Description

I am experiencing an issue with RetroArch where the fallback controller does not work properly when using SDL2. Here are the steps to reproduce the issue:

1. Delete all files in autoconfig/sdl2/:

   • This ensures that no pre-existing autoconfig files are present.

2. Start RetroArch:

   • Upon starting RetroArch, I receive the message "[Controller name] not configured, using fallback".

3. Fallback Gamepad Does Not Work:

   • The fallback gamepad configuration does not function at all, no buttons are responding. The controller inputs are not recognized.

4. Keyboard Does Not Work:

   • Additionally, the keyboard inputs are not recognized either.

5. Navigation with Mouse:

   • The only way to navigate through the menus is by using the mouse.

Controller Tested:

• Sony DualSense
• Sony DualShock 4 v2

RetroArch Version:

• 1.19.1

Note:

• This issue does not occur when using udev.
• This issue does not occur when using sdl2 with Flatpak.