Linux 无法检测 Lenovo V580 笔记本电脑上的 Fn + F6（切换触摸板）组合

Question

虽然我的笔记本电脑的 F6 按钮上有“切换触摸板”辅助功能，但目前此快捷方式不起作用。

xbindkeys -mk当我按 Fn + F6 时，命令不显示任何信息。

我在BIOS中找不到相关选项（禁用/启用该功能）。

$ cat /proc/bus/input/devices
...
I: Bus=0011 Vendor=0002 Product=0007 Version=01b1
N: Name="SynPS/2 Synaptics TouchPad"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input5
U: Uniq=
H: Handlers=mouse1 event5 
B: PROP=5
B: EV=b
B: KEY=e520 10000 0 0 0 0
B: ABS=660800011000003
...

$ xev
...
KeyPress event, serial 37, synthetic NO, window 0x5800001,
    root 0xfa, subw 0x0, time 191258998, (90,247), root:(675,546),
    state 0x10, keycode 151 (keysym 0x1008ff2b, XF86WakeUp), same_screen YES,
    XLookupString gives 0 bytes: 
    XmbLookupString gives 0 bytes: 
    XFilterEvent returns: False

KeyRelease event, serial 37, synthetic NO, window 0x5800001,
    root 0xfa, subw 0x0, time 191259362, (90,247), root:(675,546),
    state 0x10, keycode 151 (keysym 0x1008ff2b, XF86WakeUp), same_screen YES,
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False
...

Linux Mint 17.3 x86_64 肉桂