no device found on older thinkpad
I have an older Lenovo Thinkpad E525. on this the keyboard and touchpad are attached to the serial bus. libinput-1.12.3 does not find any devices, so I am now unable to use this notebook.
I found the following info from dmesg.
[ 0.808606] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 0.808671] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 2.196208] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input6
[ 3.224476] psmouse serio1: synaptics: queried max coordinates: x [..5752], y [..4912]
[ 3.335635] psmouse serio1: synaptics: Touchpad model: 1, fw: 7.5, id: 0x1e0b1, caps: 0xd000b3/0x340000/0xa0400/0x0, board id: 1715, fw id: 758851
[ 3.335650] psmouse serio1: synaptics: serio: Synaptics pass-through port at isa0060/serio1/input0
[ 3.405066] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input9
[ 4.218883] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 4.529466] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input18
/dev/input shows these devices.