Openmoko Bug #1158: Charging stops even while connected

Openmoko Public Trac bugs at docs.openmoko.org
Tue Dec 16 20:14:37 CET 2008


#1158: Charging stops even while connected
---------------------------------+------------------------------------------
    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         |  
---------------------------------+------------------------------------------

Comment(by balajirrao):

 Replying to [comment:41 lindi]:
 > [Still connected to PC and not ac adapter.]
 > I again saw that charging stops and current is > 0:

 Ok, that is interesting again! Can You please post the reg dump ? It's in
 the pcf50633 /sys folder..

 > {{{
 > 2008-12-16T20:50:05+0200 1229453405 Battery Charging 4165000 -21562
 1003348 298 Li-ion 1 3932100 0 100 1 0.07
 > 2008-12-16T20:52:06+0200 1229453526 Battery Charging 4165000 -22500
 1003348 298 Li-ion 1 3932100 0 100 1 0.10
 > 2008-12-16T20:54:08+0200 1229453648 Battery Not_charging 4163000 20250
 1003348 298 Li-ion 1 187320 3932100 100 1 0.08
 > 2008-12-16T20:56:09+0200 1229453769 Battery Not_charging 4160000 10312
 1003348 298 Li-ion 1 367740 3932100 100 1 0.10
 > 2008-12-16T20:58:10+0200 1229453890 Battery Not_charging 4160000 9750
 1003348 298 Li-ion 1 388740 3932100 100 1 0.08
 > }}}
 >
 > To me it seems that USB is providing 500mA but the phone still draws
 10-20mA from the battery as can be seen above.
 > {{{
 > lindi at ginger:~$ cat /sys/class/i2c-
 adapter/i2c-0/0-0073/pcf50633-mbc/chgmode
 > bat-full 10
 > lindi at ginger:~$ cat /sys/class/i2c-
 adapter/i2c-0/0-0073/pcf50633-mbc/usb_curlim
 > 500
 > }}}

 Hmmm..

 I'll let me phone charge through the night.. Let me see..

-- 
Ticket URL: <https://docs.openmoko.org/trac/ticket/1158#comment:43>
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