Re: [patch] IBM HDAPS accelerometer driver.

[Oliver Neukum]

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

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