On Mon 2011-05-09 12:29:41, Henrique de Moraes Holschuh wrote: > On Mon, 09 May 2011, Andrew Lutomirski wrote: > > > The SBS interface exposes more data about the battery, including > > > per-cell-group voltage and pack microcontroller aging counters, alarms, and > > > the "needs to get through the fuel-gaugue reset procedure" semasphore. > > > > If I'm feeling really motivated, I'll look at that. I'm currently > > more interested in the charging thresholds, though, which I think is > > independent of the choice of SBS vs ACPI to access the battery state. > > (From a quick glance at the SBS spec, you can inhibit charging > > entirely but you can't ask for thresholds. I assume that the EC takes > > care of that. If I'm wrong, please tell me, but SMAPI seems like a > > fine way to access the thresholds.) > > Yeah, SMAPI is the safest way to deal with all this. It is an interface > layer that Lenovo is not fond of breaking (or touches very rarely. Amounts > to the same in the end). > > SBS does not take care of thresholds, indeed. The EC does (and I know how > to program the threshold in a few models, if you do want to test it in your > X220, I can send you the information. It is safe to test if you use it > together with SMAPI to cross-check). Hmm, I jave a battery pack with reasonably good cells, but firmware killed it. IOW available for testing. (And who know, perhaps recalibrate command would bring it back to life?) -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
