Why does laptop battery show < 100% charge

[Jatin K]

On 09/18/2009 01:33 PM, Richard Hughes wrote:
> 2009/9/17 Matthew Saltzman<mjs at clemson.edu>:
>    
>> OK What's the best way to request that?  Would it get generated as a
>> consequence of the power manager RFE?  Or should I file it separately?
>> Anything special about kernel feature requests?
>>      
> Well, you can file a kernel bug if you want, but it's a fair chunk of
> new functionality and it's functionality that is very vendor specific
> as it's not in the ACPI standards. For IBM thinkpads, see
> http://www.thinkwiki.org/wiki/Tp_smapi
>
> Be aware that tpm-smapi was refused entry to the upstream kernel, and
> probably won't be accepted by the fedora kernel as a result. Consult
> the kernel.org archives for the full discussion.
>
> Richard.
>
>    
well...  I'm using tp_smapi on my IBM ThinkPad R51 .. with fedora 11 and 
it works fine for me .....

  ( stop charging threshold is not working as well ...... if I  set 
St.Char.Tresh to 80% it stops charging on 70% or 75% )