Comment # 7 on bug 1223194 from Axel Braun

Hello Takashi

(In reply to Takashi Iwai from comment #6)
> So it seems that BAT0 reports a wrong value from the beginning even before
> the suspend.  And it's a generic ACPI battery stuff, the most suspected is a
> BIOS firmware bug. 

Well, the BIOS did not change.....

> But you can try to report to the upstream, e.g. bugzilla.kernel.org.

Done:
https://bugzilla.kernel.org/show_bug.cgi?id=218915

> Also, it might be worth to check whether it's a kernel regression.  You can
> try older kernels in my OBS repos, e.g. home:tiwai:kernel:6.6 for 6.6.x
> kernel

Currently running your 6.6.11 kernel and did not see the behaviour so far.