Hi, On Mon, May 24, 2021 at 01:38:06PM +0200, Nico Schottelius wrote: > > Hello, > > since migrating to Linux 5.12, the Elan touchpad stopped working for > me. I created a bug report on > https://bugzilla.kernel.org/show_bug.cgi?id=213093 > 2but I am not sure whether that reached anyone here. > > The symptom is that when running 5.12, the touchpad does not show up. > > I tested so far with 5.12.3, 5.12.4 and 5.12.6, all behave the same, > latest dmesg output on 5.12.6 does not show the touchpad driver loading, > only the one for the trackpoint: > > [13:35] nb3:~% dmesg| grep -i elan > [ 11.845386] psmouse serio1: trackpoint: Elan TrackPoint firmware: 0x62, buttons: 3/3 > [ 11.857853] input: TPPS/2 Elan TrackPoint as /devices/platform/i8042/serio1/input/input23 > [13:35] nb3:~% > > The hardware I am using is an Lenovo X1 nano, however other people also > reported this problem before. > > If there is anything I can do to debug this, any pointer would be > appreciated. Do you have i2c-hid-acpi module enabled? Thanks. -- Dmitry
