Hi, On Fri, Feb 09, 2018 at 08:45:30AM -0200, Henrique de Moraes Holschuh wrote: > On Wed, 07 Feb 2018, Ognjen Galic wrote: > > The EC/ACPI firmware on Lenovo ThinkPads used to report a status > > of "Unknown" when the battery is between the charge start and > > charge stop thresholds. On Windows, it reports "Not Charging" > > so the quirk has been added to also report correctly. > > > > Now the "status" attribute returns "Not Charging" when the > > battery on ThinkPads is not physicaly charging. > > > > Reviewed-by: Andy Shevchenko <andy.shevche...@gmail.com> > > Signed-off-by: Ognjen Galic <smclt...@gmail.com> > > AFAIK, This behavior goes back to the initial SBS implementation in the > IBM era ECs of the Thinkpads... We've always called it "idle" in the > linux-thinkpad community. The behavior comes from SBS > (http://smartbattery.org/specs/), the EC was reporting its status > (charging/not charging *THIS* battery) in one bit, and the battery's > status (discharging/not discharging *THIS* battery) in a different bit. > > It was rather simple to observe the behavior of those bits in a > two-battery system. > > Would that apply to these newer Lenovo models? If so, you might want to > consider using "idle", instead. "not charging" does _not_ imply "neither > charging nor discharging", while "idle" does.
I agree, that "Idle" is a better term than "Not Charging", but the power supply property exists with this name since it has been introduced. This is exposed to userspace and cannot be changed easily. -- Sebastian
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