linux-kernel - Re: Generic battery interface

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Message-ID: <d120d5000607280525x447e6821t734a735197481c18@mail.gmail.com>
Date:	Fri, 28 Jul 2006 08:25:35 -0400
From:	"Dmitry Torokhov" <dmitry.torokhov@...il.com>
To:	"Vojtech Pavlik" <vojtech@...e.cz>
Cc:	"Shem Multinymous" <multinymous@...il.com>,
	"Brown, Len" <len.brown@...el.com>, "Pavel Machek" <pavel@...e.cz>,
	"Matthew Garrett" <mjg59@...f.ucam.org>,
	"kernel list" <linux-kernel@...r.kernel.org>,
	linux-thinkpad@...ux-thinkpad.org, linux-acpi@...r.kernel.org
Subject: Re: Generic battery interface

On 7/28/06, Vojtech Pavlik <vojtech@...e.cz> wrote:
> On Fri, Jul 28, 2006 at 03:27:00AM +0300, Shem Multinymous wrote:
> >
> > "Generic interface for accelerometers (AMS, HDAPS, ...)" on LKML, a
> > few weeks ago, about moving accelerator-based hard disk parking from
> > sysfs polling to the the input infrastructure. One unresolved issue
> > was how to find which input device happens to be the relevant
> > accelerometer.
>
> The current well known methods are:
>
>        1) udev/hotplug. It can create device nodes and symlinks based on the
>                capabilities and IDs of an input device.
>        1a) HAL. It has all the info from hotplug as well.
>        2) open them all and do the capability checks / IDs yourself.
>        3) (obsolete, deprecated) parse /proc/bus/input/devices, which
>                lists all the input devices
>

4) sysfs - all capabilities, IDs, etc for input devices exported there as well.

-- 
Dmitry
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