Can't make Wii U pro controller work with CEMU

Using CEMU with windows PC.
Using Wii U pro controller with Mayflash in Xinput mode.

Works flawlessly with Citra, Yuzu, Retroarch and any pc game.

Doesn't work on CEMU, not detected, doesn't let me map the buttons, tried changing to directinput same story.

Settings are grayed out (the ones next for Controller API)

Anyone faced the same issues and was able to solve it?

Thanks