Steven Langasek wrote:
> What does 'sudo lsinput' show on this system when the dock is connected?

I append the output.

My X61 is docked in an UltraBase X6 whose Ultrabay Slim contains a DVD burner.  Connected to the UltraBase's USB ports are a Microsoft curve keyboard and a Logitech trackball.

jdthood@triffid:~$ sudo lsinput
[sudo] password for jdthood: 
/dev/input/event0
   bustype : BUS_HOST
   vendor  : 0x0
   product : 0x1
   version : 0
   name    : "Power Button"
   phys    : "LNXPWRBN/button/input0"
   bits ev : EV_SYN EV_KEY

/dev/input/event1
   bustype : BUS_HOST
   vendor  : 0x0
   product : 0x5
   version : 0
   name    : "Lid Switch"
   phys    : "PNP0C0D/button/input0"
   bits ev : EV_SYN EV_SW

/dev/input/event2
   bustype : BUS_HOST
   vendor  : 0x0
   product : 0x3
   version : 0
   name    : "Sleep Button"
   phys    : "PNP0C0E/button/input0"
   bits ev : EV_SYN EV_KEY

/dev/input/event3
   bustype : BUS_ADB
   vendor  : 0x1
   product : 0x1
   version : 256
   name    : "Macintosh mouse button emulation"
   bits ev : EV_SYN EV_KEY EV_REL

/dev/input/event4
   bustype : BUS_I8042
   vendor  : 0x1
   product : 0x1
   version : 43860
   name    : "AT Translated Set 2 keyboard"
   phys    : "isa0060/serio0/input0"
   bits ev : EV_SYN EV_KEY EV_MSC EV_LED EV_REP

/dev/input/event5
   bustype : BUS_USB
   vendor  : 0x45e
   product : 0xdd
   version : 273
   name    : "Microsoft Comfort Curve Keyboard"
   phys    : "usb-0000:00:1a.7-4.1/input0"
   uniq    : ""
   bits ev : EV_SYN EV_KEY EV_MSC EV_LED EV_REP

/dev/input/event6
   bustype : BUS_HOST
   vendor  : 0x0
   product : 0x6
   version : 0
   name    : "Video Bus"
   phys    : "/video/input0"
   bits ev : EV_SYN EV_KEY

/dev/input/event7
   bustype : BUS_USB
   vendor  : 0x45e
   product : 0xdd
   version : 273
   name    : "Microsoft Comfort Curve Keyboard"
   phys    : "usb-0000:00:1a.7-4.1/input1"
   uniq    : ""
   bits ev : EV_SYN EV_KEY EV_REL EV_ABS EV_MSC EV_REP

/dev/input/event8
   bustype : BUS_USB
   vendor  : 0x46d
   product : 0xc402
   version : 272
   name    : "Logitech Trackball"
   phys    : "usb-0000:00:1a.7-4.2/input0"
   uniq    : ""
   bits ev : EV_SYN EV_KEY EV_REL EV_MSC

/dev/input/event9
   bustype : BUS_HOST
   vendor  : 0x1014
   product : 0x5054
   version : 26625
   name    : "ThinkPad HDAPS joystick emulatio"
   phys    : "hdaps/input0"
   bits ev : EV_SYN EV_ABS

/dev/input/event10
   bustype : BUS_HOST
   vendor  : 0x1014
   product : 0x5054
   version : 18433
   name    : "ThinkPad HDAPS accelerometer dat"
   phys    : "hdaps/input1"
   bits ev : EV_SYN EV_ABS

/dev/input/event11
   bustype : BUS_HOST
   vendor  : 0x17aa
   product : 0x5054
   version : 16641
   name    : "ThinkPad Extra Buttons"
   phys    : "thinkpad_acpi/input0"
   bits ev : EV_SYN EV_KEY EV_MSC EV_SW

/dev/input/event12
   bustype : BUS_I8042
   vendor  : 0x2
   product : 0xa
   version : 0
   name    : "TPPS/2 IBM TrackPoint"
   phys    : "isa0060/serio1/input0"
   bits ev : EV_SYN EV_KEY EV_REL

/dev/input/event13
   bustype : BUS_PCI
   vendor  : 0x11d4
   product : 0x1984
   version : 1
   name    : "HDA Digital PCBeep"
   phys    : "card0/codec#0/beep0"
   bits ev : EV_SYN EV_SND