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Subject: RE: [ACPI] ACPI battery issue - Dell Inspiron 4150 - 2.6.1-rc1-mm2
From: Dax Kelson <dax@gurulabs.com>
To: "Yu, Luming" <luming.yu@intel.com>
Cc: linux-kernel@vger.kernel.org, acpi-devel@lists.sourceforge.net,
       "Brown, Len" <len.brown@intel.com>
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Date: Mon, 05 Jan 2004 19:27:38 -0700
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On Mon, 2004-01-05 at 18:03, Yu, Luming wrote:
> >Subject: [ACPI] ACPI battery issue - Dell Inspiron 4150 - 2.6.1-rc1-mm2
> >
> >Found at boot: 
> >ACPI: Battery Slot [BAT0] (battery present)
> >ACPI: Battery Slot [BAT1] (battery present)
> >But no run-time information:
> 
> Some DELL battery issues in recent kernel are solved by
> patch filed at http://bugzilla.kernel.org/show_bug.cgi?id=1766 .
> 
> Is it worthy to have it a try?

Seems to work ... is it normal to have the "unknown" values below when
plugged in?

$ cat /proc/acpi/battery/BAT0/state
present:                 yes
capacity state:          ok
charging state:          unknown
present rate:            unknown
remaining capacity:      66000 mWh
present voltage:         16501 mV

$ cat /proc/acpi/battery/BAT1/info
present:                 yes
design capacity:         65120 mWh
last full capacity:      54980 mWh
battery technology:      rechargeable
design voltage:          14800 mV
design capacity warning: 3000 mWh
design capacity low:     1000 mWh
capacity granularity 1:  200 mWh
capacity granularity 2:  200 mWh
model number:            LIP8120DL
serial number:           5122
battery type:            LION
OEM info:                Sony C

When unplugged:

$ cat /proc/acpi/battery/BAT0/state
present:                 yes
capacity state:          ok
charging state:          discharging
present rate:            2743 mW
remaining capacity:      52340 mWh
present voltage:         16526 mV