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psm(4) doesn't recognize the Elantech touchpad

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Yuri

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May 26, 2018, 1:30:31 PM5/26/18
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FreeBSD is installed on Lenovo Ideapad 320-15AST. Based on several web
hits, this model contains the Elantech touchad.

There is hw.psm.elantech_support=1 in /boot/loader.conf. This is
supposed to make the psm(4) driver to pick it up and create /dev/psm0,
but this doesn't happen, and there is no /dev/psm* device.


How to troubleshoot this?


Yuri


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Johannes Lundberg

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May 26, 2018, 3:56:03 PM5/26/18
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Yuri writes:

> FreeBSD is installed on Lenovo Ideapad 320-15AST. Based on several web
> hits, this model contains the Elantech touchad.
>
> There is hw.psm.elantech_support=1 in /boot/loader.conf. This is
> supposed to make the psm(4) driver to pick it up and create /dev/psm0,
> but this doesn't happen, and there is no /dev/psm* device.
>
>
> How to troubleshoot this?
>

Hi!
Try with
hw.psm.synaptics_support=1
in /boot/loader.conf.

Worked for me to get a PS/2 trackpad working with evdev.
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