Comment 1 for bug 2085812

Found the cause: https://github.com/linrunner/TLP/issues/768#issuecomment-2443358201

It is due to the UCSI driver, which TLP is interpreting as a power source. Since it sees no other AC sources, it assumes the system is on battery.

This would be fixable by setting `TLP_PS_IGNORE="USB"` in the config file, but I am wondering if there is some way the logic could be adjusted to handle this correctly by default. It would be easily for someone to accidentally end up in this state, leading to performance problems plaguing them with no clear cause.

Anyone running Mate on a PC that happens to have a UCSI driver loaded will experience this by default, as Oracular's `ubuntu-mate-desktop` appears to install TLP by default.