Comment 0 for bug 1806695

Laptop Model: Lenovo ideapad 330-15ARR
Model Name: 81D2

Ubuntu Version: 18.04 LTS
cat /proc/version_signature > version.log
Ubuntu 4.15.0-42.45-generic 4.15.18

The touchpad didn't worked from the beginning and seems to be not detected.
/proc/bus/input/devices doesn't show it.

Dmesg output:
~$ dmesg | grep -i i2c
[ 1.268675] i2c /dev entries driver
[ 1.454039] i2c_hid i2c-ELAN061E:00: i2c-ELAN061E:00 supply vdd not found, using dummy regulator

~$ dmesg | grep -i i8042
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-42-generic root=UUID=014f4a02-c22c-4497-beef-d038781a3158 ro quiet splash i8042.reset i8042.nomux=1 i8042.nopnp i8042.noloop vt.handoff=1
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.15.0-42-generic root=UUID=014f4a02-c22c-4497-beef-d038781a3158 ro quiet splash i8042.reset i8042.nomux=1 i8042.nopnp i8042.noloop vt.handoff=1
[ 1.252982] i8042: PNP detection disabled
[ 1.267585] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 1.267589] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 1.278595] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3

and lspci -vnvn attached