19490402000000000000504944564944,Amazon Gamepad,a:b0,b:b1,x:b2,y:b3,back:b4,start:b6,guide:b5,leftshoulder:b7,rightshoulder:b8,leftstick:b9,rightstick:b10,leftx:a0,lefty:a1,rightx:a2,righty:a3,lefttrigger:b11,righttrigger:b12,dpup:h0.1,dpdown:h0.4,dpleft:h0.8,dpright:h0.2,platform:Linux, Use code with caution. Implementing the Mapping

The first part of the string is 1949 . According to the USB Implementers Forum database, this Vendor ID is officially registered to Lab126, Inc. , a wholly-owned subsidiary of Amazon.com, Inc. responsible for the development of Kindle e-readers and Fire tablets. This is a key piece of the puzzle.

On Ubuntu and Steam Deck, the controller is immediately recognized in RetroArch, PCSX2, and native Steam games (after enabling Generic Controller configuration in Steam Settings).

Add the following text line to force the subsystem to treat it strictly as a joystick peripheral:

Then check input events:

If your game or engine is misreading your buttons, you can inject the community-verified SDL2 / Gamepad API Remap String for this exact hardware profile: