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SubjectRe: HP accelerometer: free fall detection working, testers wanted
Hi!

> > I got free fall detection to work -- apparently BIOS does all the
> > important stuff itself.
> >
> > Now... I'd like some testers. (Don't comment on code... yet. Yes, it
> > has some issues).
> >
> Hi Pavel,
> I'll try to test this weekend.
>
> Out of curiosity, what did you change compared to the original version
> of the driver? Did you just disable the set up code?

Disable all the writes, yes.

> Also, how do you try free fall? Did you try also with the lid
> opened?

With the lid opened, too, yes. I just took the machine, then tried to
let go and catch it meter below that. (Of course I did not really let
go, but released the grip and followed...)

> > hp3dg script should do all the important things.
> :
> > --- /dev/null
> > +++ b/Documentation/hwmon/hp3dg
> :
> > +while true; do
> > + ./readaccel foo
> > + unload 2
> > + if cat /proc/acpi/button/lid/LID/state | grep open && cat /proc/acpi/ac_adapter/AC0/state | grep off-line; then
> > + unload 20
> > + fi
> > +done
> Why a special case if the lid is opened and the laptop unplugged? Is it
> a special behaviour of the hardware, or simply some kind of basic user
> behaviour guess?

Behaviour guess, HP asked for those values. Idea is that if the user
is walking with machine, park as much as possible because machine is
in danger :-).
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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