On my Dell Latitude, same problem, ALPS trackpad is detected as PS/2 device:
[ 10.326] (II) config/udev: Adding input device ImPS/2 ALPS GlidePoint (/dev/input/event7) [ 10.326] (**) ImPS/2 ALPS GlidePoint: Applying InputClass "evdev pointer catchall" [ 10.326] (II) Using input driver 'evdev' for 'ImPS/2 ALPS GlidePoint' [ 10.326] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so [ 10.326] (**) ImPS/2 ALPS GlidePoint: always reports core events [ 10.326] (**) ImPS/2 ALPS GlidePoint: Device: "/dev/input/event7" [ 10.326] (--) ImPS/2 ALPS GlidePoint: Found 3 mouse buttons [ 10.326] (--) ImPS/2 ALPS GlidePoint: Found scroll wheel(s) [ 10.326] (--) ImPS/2 ALPS GlidePoint: Found relative axes [ 10.326] (--) ImPS/2 ALPS GlidePoint: Found x and y relative axes [ 10.326] (II) ImPS/2 ALPS GlidePoint: Configuring as mouse [ 10.326] (II) ImPS/2 ALPS GlidePoint: Adding scrollwheel support [ 10.326] (**) ImPS/2 ALPS GlidePoint: YAxisMapping: buttons 4 and 5 [ 10.326] (**) ImPS/2 ALPS GlidePoint: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200 [ 10.326] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input7/event7" [ 10.326] (II) XINPUT: Adding extended input device "ImPS/2 ALPS GlidePoint" (type: MOUSE) [ 10.326] (II) ImPS/2 ALPS GlidePoint: initialized for relative axes. [ 10.326] (**) ImPS/2 ALPS GlidePoint: (accel) keeping acceleration scheme 1 [ 10.326] (**) ImPS/2 ALPS GlidePoint: (accel) acceleration profile 0 [ 10.326] (**) ImPS/2 ALPS GlidePoint: (accel) acceleration factor: 2.000 [ 10.326] (**) ImPS/2 ALPS GlidePoint: (accel) acceleration threshold: 4 [ 10.326] (II) config/udev: Adding input device ImPS/2 ALPS GlidePoint (/dev/input/mouse0) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/725233 Title: Alps touchpad improperly detect as PS2 Generic Mouse. No scroll function at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/725233/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
