[PATCH libinput 0/3] Fix Lenovo X230 series touchpad

Giulio Camuffo giuliocamuffo at gmail.com
Thu Apr 9 11:29:49 PDT 2015

2015-04-09 21:23 GMT+03:00 Benjamin Tissoires <benjamin.tissoires at gmail.com>:
> On Thu, Apr 9, 2015 at 2:17 PM, Giulio Camuffo <giuliocamuffo at gmail.com> wrote:
>> 2015-04-09 20:30 GMT+03:00 Benjamin Tissoires <benjamin.tissoires at gmail.com>:
>>> Hi,
>>> Here is a series to try making the touchpad found on the Lenovo
>>> X230 working. This touchpad has a very bad hardware resolution and by
>>> default, libinput jumps the cursor for 10 pixels at least whenever the
>>> user moves the finger.
>>> This series adds a special tag for such hardware and provides a separate
>>> acceleration profile for them. As mentioned in the documentation, nobody
>>> but X230 owners should use this tag.
>>> The fourth patch of the series is not required per se, given that we should
>>> push this through hwdb and not have a custom fix in libinput. With it, the
>>> touchpad felt a little bit better, but that's maybe just me.
>>> It's up to the libinput maintainer to decide to take it or not (thus the 4/3).
>>> Final note. I tested it on a X230t (t for tablet). I'd like to get some
>>> feedbacks from the non-tablet users too.
>> Hi,
>> This sounds very interesting. I have a X230, without the t, but i'm
>> faling to find a way to get the patches from the gmail webclient. Do
>> you have a branch somewhere?
> There you go:
> https://github.com/bentiss/libinput branch x230


> As for gmail, for small series you can simply hit the "more" option
> (the little triangle pointing down), click "show original" and save
> the resulting page.

That's what i usually do but this time it encoded the actual patch and
i didn't manage to build it back.

> For bigger series, thunderbird or any other mail client works better.
> Cheers,
> Benjamin

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