Thread (30 messages) 30 messages, 6 authors, 2015-04-09

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

From: Yves-Alexis Perez <hidden>
Date: 2015-03-19 16:49:50
Also in: lkml

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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:
quoted
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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