How to force controller input when not using big picture mode ?

[taker1988]

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Hi,
I use Linux Mint 22 and the latest Sunshine and Moonshine version. (no flatpak)
Moonshine runs on my ShieldTV.

With Windows 11 everything runs perfectly, but with Linux I have problems.
As I read, there are problems with Linux and the Steam Big Picture mode. Everything is very, very laggy. So I tried to integrate my Steam games directly into Sunshine, which works.

However, I now have the problem that my X-Box Series X controller connected to the Shield is not recognized, or not for every game. With some it works.

Is there a command that I can add to Sunshine to force the controller input?

I think the problem is that I start the game via steam directly and without the big picture mode. But I am not sure.

I hope someone can help me or has an idea how I could do this. :)

Thank you very much