[Bug 221065] ideapad_acpi: unexpected charge_types spam on Yoga Pro 7 14ASP9

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=221065

--- Comment #59 from Rong Zhang (i@rong.moe) ---
(In reply to george.stafilidis from comment #58)
> This also happens on my Lenovo IdeaPad 3 15ALC6 but all I did was change a
> file from 1 to 0 and then back to 1 again with a text editor and now I don't
> see the error anymore on my logs and preserver battery mode shows up on my
> settings. (I don't remember the file I opened I am on Fedora Workstation and
> Preverse battery mode did not show up on 6.19xxx kernels until I made this
> change.)

Then your device probably doesn't have the FW bug.

Seeing the warning message in this case is not a bug. It tells you that having
conservation mode and rapid charge enabled at the same time is out of spec.
Writing 1 to conservation_mode clears the rapid charge bit. As long as the
warning doesn't appear again after tuning charge_types or conservation_mode,
you can safely forget it.

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