Although above the fix is released in 5.8.0-20.21, today I upgraded to
Groovy, 5.8.0-22-generic #23-Ubuntu and still have no working touchpad.
$ cat /sys/bus/acpi/devices/ELAN0632:00/status
15
$ cat /sys/bus/acpi/devices/{ELAN,SYNA,CRQ}*/status
0
15
0
0
$ cat /sys/bus/i2c/devices/*/name
SMBus I801 adapter at efa0
Synopsys DesignWare I2C adapter
i915 gmbus dpb
i915 gmbus dpc
i915 gmbus misc
i915 gmbus dpd
AUX A/port A
AUX B/port B
DPMST
ELAN0632:00
Using the patched kernel from Kai on Focal did fix the issue. Any idea
why the touchpad is no longer working?
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https://bugs.launchpad.net/bugs/1853277
Title:
Lenovo ThinkBook 14-IML Touchpad not showing up in
/proc/bus/input/devices
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