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Subject: Re: [PATCH v2] Re: Battery class driver.
From: Richard Hughes <hughsient@gmail.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Shem Multinymous <multinymous@gmail.com>, Greg KH <greg@kroah.com>,
       David Zeuthen <davidz@redhat.com>,
       David Woodhouse <dwmw2@infradead.org>, Dan Williams <dcbw@redhat.com>,
       linux-kernel@vger.kernel.org, devel@laptop.org, sfr@canb.auug.org.au,
       len.brown@intel.com, benh@kernel.crashing.org,
       linux-thinkpad mailing list <linux-thinkpad@linux-thinkpad.org>,
       Jean Delvare <khali@linux-fr.org>
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Date: Wed, 01 Nov 2006 21:32:40 +0000
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On Wed, 2006-11-01 at 22:27 +0100, Pavel Machek wrote:
> > The drawback is that someone in userspace who doesn't care about
> units
> > but just wants to show a status report or compute the amount of
> > remaining fooergy divided by the amount of a fooergy when fully
> > charged, like your typical battery applet, will need to parse
> > filenames (or try out a fixed and possibly partial list) to find out
> > which attribute files contain the numbers.
> 
> That's okay, we want userspace to use common library, and doing
> 
> echo $[`cat capacity_remaining:*` / `cat capacity_total:*`]
> 
> is not exactly rocket science. If greg does not like units suffixes,
> that's okay, too, I'm sure handy wildcard match will be possible.

I'm guessing adding the new code to HAL will allow most stuff to keep
working without any changes. I think battstat-applet defaults to using
HAL, and I'm sure gnome-power-manager does. :-)

Richard.

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