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

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On Thu, Mar 19, 2015 at 10:46:27AM -0400, Benjamin Tissoires wrote:

On Mar 19 2015 or thereabouts, Yves-Alexis Perez wrote:

quoted

So I have two questions/remarks about this:

- if I don't use the touchpad, do I need xf86-input-synaptics at all?

Wether you use it or not, with the current kernel patch set, there will
be no modifications to do in xf86-input-synaptics. Legacy versions will
work just fine and the trackstick/touchpads are seen like they were in
the past (lik ein the thinkpads t410 .. t430).

So I would advice to just revert to whatever Xorg / xf86-input-synaptics
/ configuration you had from your distribution, apply the patches (or
wait for 4.0-rc5), and you are done.

So to summarize: both patchsets are enough for complete
touchpad+trackpoint operations, having both is not useful but not
harmful either, and it's better to have the kernel one.

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.

quoted

- how can I have the BIOS setting respected by the psmouse/synaptics
  kernel module (like when using psmouse)

I was confused at first so I double checked. If you use the
psmouse.proto=imps boot parameter, then the bios setting is respected.

If the trackpad is enabled, it is barely usable, but that's what you get
:)

Oh ok. I didn't try to boot with touchpad enabled in BIOS and
psmouse.proto=imps, so I missed that.

But that doesn't really answer my question. Can the BIOS setting be
handled correctly, so I don't have to disable the touchpad from xinput
or something?

Regards,
- -- 
Yves-Alexis
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