Comment 121 for bug 1853277

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?