Openmoko Bug #1158: Charging stops even while connected
Openmoko Public Trac
bugs at docs.openmoko.org
Tue Dec 16 20:10:23 CET 2008
#1158: Charging stops even while connected
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Reporter: plr@… | Owner: openmoko-devel
Type: defect | Status: reopened
Priority: high | Milestone: Om2008.10
Component: System Software | Version: unspecified
Severity: blocker | Resolution:
Keywords: power management | Haspatch: 0
Blockedby: | Estimated:
Patchreview: | Blocking:
Reproducible: sometimes |
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Comment(by balajirrao):
Replying to [comment:40 lindi]:
> Replying to [comment:37 balajirrao]:
> > Battery starts discharging when connected to usb/adapter without the
battery reaching 100% ? How long does the battery charge before this
happens , and at what percentage (roughly) ?
>
> I connected phone to usb port of my PC and the capacity was around 90%.
Then the capacity went to 100% and slowly started to decrease.
>
Possible reason could be the auto_restart bit is 0. So charging does not
resume once battery voltage falls below a threshold..
When this happens next (does it happen always ?), if you can get me
dump_reg of pcf50633 it'll be awesome..
> > Does the battery start discharging after capacity 100% and current 0
and before charger is unplugged and then discharges completely without
charging being restarted ?
>
> I did not witness current of 0 this time like I did with
9b2a35dd616a9fbe.
OK.. That's interesting.. But in between the ~ 30 mA values in the logs we
see a current consumption of some 190 mA. Typical of idle system. I wonder
from where does it come.. Andy, any ideas ?
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/1158#comment:42>
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