linux-kernel - Re: [PATCH v2] Re: Battery class driver.

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Message-ID: <41840b750610251639t637cd590w1605d5fc8e10cd4d@mail.gmail.com>
Date:	Thu, 26 Oct 2006 01:39:00 +0200
From:	"Shem Multinymous" <multinymous@...il.com>
To:	"David Woodhouse" <dwmw2@...radead.org>
Cc:	"Richard Hughes" <hughsient@...il.com>,
	"Dan Williams" <dcbw@...hat.com>, linux-kernel@...r.kernel.org,
	devel@...top.org, sfr@...b.auug.org.au, len.brown@...el.com,
	greg@...ah.com, benh@...nel.crashing.org,
	"David Zeuthen" <davidz@...hat.com>,
	"linux-thinkpad mailing list" <linux-thinkpad@...ux-thinkpad.org>
Subject: Re: [PATCH v2] Re: Battery class driver.

Hi,

On 10/26/06, David Woodhouse <dwmw2@...radead.org> wrote:
> Ok, thanks for the feedback -- I think I've done all that. It wasn't in
> 'diff -u' form so I may have misapplied it. Please confirm.

Looks perfect. And I agree that current_{,now} etc. is better than my
suggestion of current_{avg,now}.

(I used free text instead of diff -u so I can give the rationale;
should have included both, I guess).

> > I take it you don't want to deal with battery control actions for now.
>
> They're simple enough to add. We can do it when the tp driver gets
> converted over.

Sure. But It will require some thought. For example, the interface
will need to encompass the non-symmetric pair of force commands on
ThinkPads:
"discharge the battery until further notice" vs.
"don't charge the battery for N minutes".

Also, ThinkPads express  the start/stop charging thresholds in
percent, whereas I imagine some other hardware will represent it as
capacity.

What other examples do we have of machines with battery control commands?

  Shem
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