Re: [PATCH] Apple USB Touchpad driver (new)

From: Stelian Pop
Date: Mon Jul 11 2005 - 05:10:23 EST


Le dimanche 10 juillet 2005 Ã 00:32 +0200, Peter Osterlund a Ãcrit :
> Stelian Pop <stelian@xxxxxxxxxx> writes:
>
> > +Synaptics re-detection problems:
> > +--------------------------------
> > +
> > +The synaptics X11 driver tries to re-open the touchpad input device file
> > +(/dev/input/eventX) each time you change from text mode back to X11. If the
> > +input device file does not exist at this precise moment, the synaptics driver
> > +will give up searching for a touchpad, permanently. You will need to restart
> > +X11 if you want to reissue a scan.
>
> I think this particular problem is fixed by the following patch to the
> X driver:
>
> --- synaptics.c.old 2005-07-10 00:09:02.000000000 +0200
> +++ synaptics.c 2005-07-10 00:09:12.000000000 +0200
> @@ -524,6 +524,11 @@
>
> local->fd = xf86OpenSerial(local->options);
> if (local->fd == -1) {
> + xf86ReplaceStrOption(local->options, "Device", "");
> + SetDeviceAndProtocol(local);
> + local->fd = xf86OpenSerial(local->options);
> + }
> + if (local->fd == -1) {
> xf86Msg(X_WARNING, "%s: cannot open input device\n", local->name);
> return !Success;
> }

It does indeed fix the problem.

I removed that section from the documentation, as I assume you will
integrate this patch in future synaptics releases (and it wasn't anyway
a big problem for users, just for developers).

>
> > +static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact) {
>
> I think this CodingStyle violation is quite annoying, because it
> prevents emacs from finding the beginning of the function. It should
> be written like this:

Indeed, that one slipped over, but this didn't prevent vim from finding
the beginning of the function :)

Thanks,

Stelian.
--
Stelian Pop <stelian@xxxxxxxxxx>

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