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SubjectRe: PATCH - ALPS glidepoint/dualpoint driver for 2.5.7x
At first I tried posting this to linux.kernel, since I thought that was a
bidirectional gateway, but the post hasn't showed up. Apologies if you see
this twice.

Neil Brown <> wrote:

> Hi,
> The following adds support for the ALPS glidepoint/dualpoint pointing
> devices to the mouse driver in 2.5.7x

> It "works-for-me" but there are issues that probably need to be
> addressed.

Hi! Thank you for the patch. It looks interesting, but unfortunately it
doesn't work very well for me. I have an Acer Aspire laptop with a
four-button Alps touchpad (left,right and two up/down scroll buttons). The
"down" button functions as the middle mouse button, but I've never been
able to get the "up" button properly recognized under linux.

If I apply your patch to 2.5.73, none of the buttons work (except for
tapping for left-click), neither in X nor with gpm, but touchpad movement
works fine, with increased sensitivity compared to the standard driver.
Unpatched 2.5.73 works as expected.

gpm commandline: gpm -t ps/2 -m /dev/psaux


Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/psaux"
Option "Protocol" "GlidePointPS/2"
Option "Buttons" "4"

My C skills are pretty meager but if there's anything I can do in the way
of debugging, I'd be happy to.


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