Public bug reported:
Elantech touchpad on Lenovo laptops L480/580 report it's version as 15,
and current kernel can not support this hw_version, so driver didn't
support horizontal,vertical and multi-touch.
error log:
kernel: psmouse serio1: elantech: unknown hardware version, aborting...
** Affects: linux (Ubuntu)
Importance: Critical
Assignee: AaronMa (mapengyu)
Status: New
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https://bugs.launchpad.net/bugs/1733605
Title:
elantech touchpad of Lenovo L480/580 failed to detect hw_version
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