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 10:46:27AM -0400, Benjamin Tissoires wrote:
> On Mar 19 2015 or thereabouts, Yves-Alexis Perez wrote:
> > 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.
> 
> > - 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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