[ltp] Re: Generic battery interface

Vojtech Pavlik linux-thinkpad@linux-thinkpad.org
Fri, 28 Jul 2006 15:44:08 +0200


On Fri, Jul 28, 2006 at 08:25:35AM -0400, Dmitry Torokhov wrote:
> 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.
 
Oh, of course. I don't know how I could forget sysfs here - I had it in
mind when I started writing the list ...

-- 
Vojtech Pavlik
Director SuSE Labs