The touchpad/touchpad driver in question is ELAN0634. A possible fix
would be to add {"ELAN0634", 0} to /include/linux/input/elan-i2c-ids.h
(refer to
https://github.com/ihasdapie/linux/commit/a7ac88d20464b502027c0b313469a277f15da304)Attempting to apply patches found in Bug#1853277, 1861610: -> Changing dsdt.dsl does not work: no "Name (_HID, 'XXXX0000')" Found https://github.com/realnickel/lenovo_thinkbook_iml15_touchpad_acpi_fix/commit/de0ca637f7d8de2164c787801b4af9d4ff586d67 Here is part of dsdt.dsl that may be relevant Device (TPD2) { Name (_ADR, Zero) // _ADR: Address Name (IDAD, Zero) Name (HID2, Zero) Name (_HID, "_HIDELAN0634") // _HID: Hardware ID Name (_CID, "PNP0C50" /* HID Protocol Device (I2C bus) */) // _CID: Compatible ID Name (_UID, One) // _UID: Unique ID Method (_DSM, 4, NotSerialized) // _DSM: Device-Specific Method { What is "HIDELAN0634?" I have also tried changing grub options e.g. i8042.nomux..which do not work. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874374 Title: thinkbook 14-iil elan touchpad does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1874374/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
