Skylander under lubuntu whith screen when portal access

[estariel]

hello,
i use dolphin 5.0.12460 under lubuntu 20.04.
my power portal is connect to wired USB.

i dont create a rules file in /etc/udev/rules.d/

in dolphin -> menu "Config" -> section "Wii" :
i add 1430:0150 Skylander portal in "whitelisted usb passthough Devices".

i run skylanders spyro adventure and the same probleme than this post :

https://forums.dolphin-emu.org/Thread-skylanders-giants-white-screen?highlight=portal

white screen when i use A button.

i tested in windows 10 with dolphin 5.0.12247 : same problem

can you help me ?