[ltp] Re: Generic battery interface

Dmitry Torokhov linux-thinkpad@linux-thinkpad.org
Fri, 28 Jul 2006 08:25:35 -0400


On 7/28/06, Vojtech Pavlik <vojtech@suse.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