[PATCH v3 0/4] Fix Lenovo X230 series touchpad

Vasily Khoruzhick anarsoul at gmail.com
Thu Apr 16 23:47:36 PDT 2015

Hi Benjamin,

On Thu, Apr 16, 2015 at 9:41 PM, Benjamin Tissoires
<benjamin.tissoires at gmail.com> wrote:
> So here is a v2 (well v3 to keep things incrementing) of the x230 touchpad
> series.
> The touchpad seems almost as fast as any other by multiplying again the
> incline parameter by TP_MAGIC_LOW_RES_FACTOR. I am sure there is an explanation
> here, but I won't give it.

New settings are unusable on my x230. Difference between slow and fast
movement is too high, it's hard to position cursor on some small
button, etc.

> I also did not felt now that the scroll was too laggy. If you scroll slow, then
> yes you have a 2 lines scroll for the whole height of the touchpad. But at
> normal speed, I found it OK.

Scroll _IS_ laggy. Just compare it with normal touchpad. Moving finger
through half of touchpad height to scroll for a single line is not OK,
and I can't get it scrolling for exactly one line with faster

> Again, like in v1, I am not sure we should take the 4/4. A fix should go in
> hwdb more likely and there is not so much difference with or without it.
> Maybe other users would be more picky and prefer to have it.
> Cheers,
> Benjamin


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