Re: [patch] IBM HDAPS accelerometer driver.

Oliver Neukum
2005-08-28T09:21:32Z

Am Sonntag, 28. August 2005 10:09 schrieb Pavel Machek:
>
> > >>Of late I have been working on a driver for the IBM Hard Drive Active
> > >>Protection System (HDAPS), which provides a two-axis accelerometer and
> > >>some other misc. data. The hardware is found on recent IBM ThinkPad
> > >>laptops.
> > >>
> > >>The following patch adds the driver to 2.6.13-rc6-mm2. It is
> > >>self-contained and fairly simple.
> > >
> > >Do we really need input interface *and* sysfs interface? Input should be
> > >enough.
> >
> > I think he doesn't need to export it at all and he should write code to
> > park and disable hard disk instead.
> > (in userspace it's unsolvable --- i.e. you can't enable hard disk when
> > detected stable condition if the daemon is swapped out on that hard disk)
>
> man mlockall() :-).

If you need that, it belongs into the kernel.

Regards
Oliver