Bug (?) in ACPI info reporting

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I just stuck an HP ev089aa battery into a dv6000 family laptop. Here is
the content of /proc/acpi/battery/BAT0/info:

> present:                 yes
> design capacity:         6000 mAh
> last full capacity:      8384 mAh
> battery technology:      rechargeable
> design voltage:          14800 mV
> design capacity warning: 422 mAh
> design capacity low:     254 mAh
> capacity granularity 1:  10 mAh
> capacity granularity 2:  25 mAh
> model number:            Primary
> serial number:            
> battery type:            LION
> OEM info:                Hewlett-Packard


Note the reported design capacity is (a) lower than last full capacity,
which is clearly nonsensical, and (b) probably wrong, since manufacturer
spec on this battery is 8800mAh, per

 http://h20141.www2.hp.com/hpparts/Search_Results.asp?mscssid=AQNAGTTMERA38MKXNF2TN094B2SU9LUB&SearchInc=PartNumber

Anybody have an idea what is going on here? I haven't had a chance to
check the blacklist yet. I'm wondering if there may be a bug in the
multiple capacity granularity handling?


shap

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