こんにちはまさきさん (Hi Mr Masaki) just in case above is wrong!As the title says, with help from Benjamin Tissoires, the issue seems to be that the touchpad reoports its ID being 0x120D which hid-alps.c does not handle.
For more info, please see this thread, full of info: https://gitlab.freedesktop.org/libinput/libinput/issues/318
Kind regardsPS: Original message was rejected as it contained HTML, this is the plain text version.