Thinkpad t480s elantech touchpad device is not recognized: unknown touchpad firmware (firmware v.0x7f3001)

[Vladimir Kondratyev]

On 30.05.2019 01:17, Vladimir Kondratyev wrote:
> I.e. after that simple modification system started to recognize fw
>>> version:
>>>
>>> ===
>>> [silent at beastie][/usr/src]dmesg | egrep psm
>>> psm0: <PS/2 Mouse> irq 12 on atkbdc0
>>> psm0: [GIANT-LOCKED]
>>> psm0: model Elantech Touchpad, device ID 0
>>> ===
>>>
>>> and all expected touchpad features (multi-tap gestures and scrolling,
>>> whatsoever) started to function properly under xorg+evdev. I'm happy
>>> with a touchpad now however trackpoint stopped to work. In particular
>>> attempt to use trackpoint causes strange flickering of the mice
>>> cursor (which lasts few fractions of the second) after which cursor
>>> jumps to the left-upper corner of the screen and it's impossible to
>>> move it (via trackpoint) anymore (though swiping touchpad surface
>>> moves cursor as expected). Also I found in Xorg.log messages emerging
>>> when a palm touches the surface of a touchpad:
> Andrey, please fill bugzilla PR and send me link to it. I believe
> Elantech's trackpoint support has never been tested yet.
>
Hi Andrey,

Could you try attached patch? It is only compile-tested.


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