linux-kernel - Re: [Kernel-discuss] Re: [PATCH 3/7] [RFC] Battery monitoring class

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Message-ID: <20070412185630.GC27804@khazad-dum.debian.net>
Date:	Thu, 12 Apr 2007 15:56:30 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Paul Sokolovsky <pmiscml@...il.com>
Cc:	Matthew Garrett <mjg59@...f.ucam.org>,
	Anton Vorontsov <cbou@...l.ru>, dwmw2@...radead.org,
	linux-kernel@...r.kernel.org, kernel-discuss@...dhelds.org
Subject: Re: [Kernel-discuss] Re: [PATCH 3/7] [RFC] Battery monitoring class

On Thu, 12 Apr 2007, Paul Sokolovsky wrote:
>   Yes, that's apparently the way to go. We just should consider
> if mAh and mWh are enough, or we go wider and allow whole collection of
> units. Btw, original handhelds.org code used Joules ;-).

FWIW, SBS only mentions mAh and mWh.  AFAIK, all other (meaningful) units
should be able to be converted to either Ah or Wh, assuming enough precision
on the math.  I never heard of any other way to fuel-gauge batteries than
these two main modes (current-based or capacity-based), but I don't work on
the battery field.

That said, you may need to use uWh and uAh instead of mAh and mWh, though.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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