After struggling for some time, I found out that my wiimote was not being detected because Apparmor was stopping bluetooth. I'm using Ubuntu 20.10
After that, bluetooth worked for me. You can double check by looking in /var/log/syslog
tarek : )
Code:
cd /etc/apparmor.d/disable
sudo ln -s /var/lib/snapd/apparmor/profiles/snap.dolphin-emulator.dolphin-emu
sudo apparmor_parser -R /var/lib/snapd/apparmor/profiles/snap.dolphin-emulator.dolphin-emu
After that, bluetooth worked for me. You can double check by looking in /var/log/syslog
tarek : )