@Brian : The scrolling has always worked for me even with the generic
PS/2 driver. It must be that the firmware inside the ALPS works with
generic PS/2 multi-button mice so the touchpad firmware is
pre-programmed to set the right edge of the touchpad to buttons 4 and
5, ie. scroll wheel up and down.

@Bill : Your narrow is the best we've got. Now where in the kernel
should I look for differences in code?

@Chris Roggers : The TOUCHPAD variable? Are you talking about the
kernel drivers?

@Gursimran : Oops... my bad again. :S

On Wed, Aug 25, 2010 at 9:49 PM, Brian McNicholas
<565...@bugs.launchpad.net> wrote:
> Well the scroll feature just randomly started working. Still not showing
> a touchpad, still says generic PS/2 wheel mouse, and no touchpad tab
> under mouse settings. But the vertical scrolling works! I'm so confused!
>
> --
> Alps touchpad detected as ImPS/2 Generic Wheel Mouse(in VAIO E series) after 
> the kernel upgrade
> https://bugs.launchpad.net/bugs/565543
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in “linux” package in Ubuntu: Triaged
>
> Bug description:
> Initially the ALPS touchpad was detected by the kernel but does not support 
> horizontal and vertical support but after the kernel upgrade to 10.04 
> vertical scroll is working but horizontal scroll is not working. And the 
> kernel is not detecting the ALPS touchpad and the cat /proc/bus/input/devices 
> says it is a  PS2 mouse ..
>
> This is seen in sony vaio E series in particular ...
>
> Also Bill in Comment #52 says
> Acer Aspire One 532h (Alps touchpad).
> I booted the distribution from a thumb drive, but once I installed from the 
> thumb drive and updated Ubuntu (10.04), I lost the touchpad (works as a 
> mouse) ..
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/565543/+subscribe
>

-- 
Alps touchpad detected as ImPS/2 Generic Wheel Mouse(in VAIO E series) after 
the kernel upgrade
https://bugs.launchpad.net/bugs/565543
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.

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