Re: [PATCH v2 0/7] New Lenovos 2015 touchpads: party time!

[Yves-Alexis Perez <corsac@debian.org>]

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On Thu, Mar 19, 2015 at 11:58:31AM -0400, Benjamin Tissoires wrote:
> On Mar 19 2015 or thereabouts, Yves-Alexis Perez wrote:
> > Am I right? Thanks for the information, I'll also try to point our
> > kernel maintainers to that thread and ask them if it's possible to
> > backport them to the 3.16 kernel for Jessie.
> 
> Yes, please do. For the record, they are already in Fedora.
> 
Ok, will do.

> Again, sorry, I thought I answered it. With the kernel patches applied:
> - disabled in the bios without psmouse.proto=imps -> touchpad still
>   enabled, trackstick + buttons working
> - disabling in the bios + psmouse.proto=imps -> touchpad disabled,
>   trackstick + buttons working
> - enabled in the bios + psmouse.proto=imps -> touchpad barely usable,
>   trackstick + buttons working
> 
> That should cover all the cases :)
> 
Actually, one is missing: “touchpad enabled / without
psmouse.proto=imps”, but it doesn't really matter for me since I'm not
using the touchpad anyway.

But that also means if I want a disabled touchpad (without using xinput
disable) I'm forced to use psmouse.proto=imps. It does work fine but I
then lose the speed and sensitivity attributes (in
/sys/devices/platform/i8042/...) and the Trackpoint device itself is
gone from the input subsystem (everything goes to the touchpad one).

I find that a bit confusing, and think it'd be best if the touchpad
disabling could be handled even when IMPS/2 is not used, but maybe it's
impossible to do?

Sorry for the ~user-related questions.

Regards,
- -- 
Yves-Alexis
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