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Date:	Mon, 20 Feb 2012 20:24:23 -0500
From:	Ted Ts'o <tytso@....edu>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	Ext4 Developers List <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH] e2fsck: check new sysfs interface to determine if we
 are on battery

On Mon, Feb 20, 2012 at 06:17:38PM -0600, Eric Sandeen wrote:
> > You need to enumerate through all power supply devices with the
> > "type" = "Mains" attribute, and check if any of them have the
> > "online" attribute as "1".  If so you have AC power. If don't find
> > any power supply of "type" = "Mains" then you are on AC power
> > too. Only if you have one or more power supplies of "type" =
> > "Mains" and all of them have "online" = "0" then you are on
> > battery.

*Ugh*.  Why is it that the new interfaces are always more complicated.  :-(

> If your patch fixes the general case, I say go for it! :)

All's the world a Thinkpad, right?  :-)

							- Ted
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