Messages in this thread | | | Date | Tue, 15 Jan 2013 17:44:43 -0800 | From | Anton Vorontsov <> | Subject | Re: [PATCH 06/18] power: ab8500_bm: Recharge condition not optimal for battery |
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On Fri, Jan 11, 2013 at 01:12:54PM +0000, Lee Jones wrote: > From: Marcus Cooper <marcus.xm.cooper@stericsson.com> > > Today the battery recharge is determined with a voltage threshold. This > voltage threshold is only valid when the battery is relaxed. In charging > algorithm the voltage read is the loaded battery voltage and no > compensation is done to get the relaxed voltage. When maintenance > charging is not selected, this makes the recharging condition to almost > immediately activate when there is a discharge present on the battery. > > Depending on which vendor the battery comes from this behavior can wear > out the battery much faster than normal. > > The fuelgauge driver is responsible to monitor the actual battery > capacity and is able to estimate the remaining capacity. It is better to > use the remaining capacity as a limit to determine when battery should > be recharged. > > Signed-off-by: Lee Jones <lee.jones@linaro.org> > Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com> > Reviewed-by: Hakan BERG <hakan.berg@stericsson.com> > Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com> > --- > + .maint_thres = 95, > .user_cap_limit = 15, > .maint_thres = 97, > };
95 or 97? These are both specified. I removed 97, assuming it was a merge error on your side. But please double check, it could be that you really want 97 here.
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