Problem with sony dualshock via OTG

[Davy42]

Hello,

I try to connect a dualshock via OTG (i use it with a redrice MT6589T and it's working) and impossible to make working with my redrice1s .
I use it to play, here is a demo video that i do :

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It is working via bluetooth connection with sixaxis, but i prefer a connection otg to use Tincore Keymapper https://play.google.com/store/apps/details?id=com.tincore.and.keymapper&hl=fr_FR.

Someone can find me the issue?

Thanks!