cat /var/log/Xorg.0.log |grep input   
[     3.642] (II) The server relies on udev to provide the list of input devices.
[     3.908] (II) config/udev: Adding input device Power Button (/dev/input/event4)
[     3.908] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[     3.908] (II) LoadModule: "libinput"
[     3.908] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[     3.912] (II) Module libinput: vendor="X.Org Foundation"
[     3.912] (II) Using input driver 'libinput' for 'Power Button'
[     3.912] (**) Option "Device" "/dev/input/event4"
[     3.930] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input5/event4"
[     3.930] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[     3.950] (II) config/udev: Adding input device Video Bus (/dev/input/event10)
[     3.950] (**) Video Bus: Applying InputClass "libinput keyboard catchall"
[     3.950] (II) Using input driver 'libinput' for 'Video Bus'
[     3.950] (**) Option "Device" "/dev/input/event10"
[     3.976] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input12/event10"
[     3.976] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 7)
[     3.977] (II) config/udev: Adding input device Power Button (/dev/input/event2)
[     3.977] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[     3.977] (II) Using input driver 'libinput' for 'Power Button'
[     3.977] (**) Option "Device" "/dev/input/event2"
[     3.990] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input3/event2"
[     3.990] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 8)
[     3.990] (II) config/udev: Adding input device Lid Switch (/dev/input/event1)
[     3.990] (II) No input driver specified, ignoring this device.
[     3.990] (II) config/udev: Adding input device Sleep Button (/dev/input/event3)
[     3.990] (**) Sleep Button: Applying InputClass "libinput keyboard catchall"
[     3.990] (II) Using input driver 'libinput' for 'Sleep Button'
[     3.991] (**) Option "Device" "/dev/input/event3"
[     4.006] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input4/event3"
[     4.006] (II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 9)
[     4.007] (II) config/udev: Adding input device Integrated_Webcam_HD: Integrate (/dev/input/event8)
[     4.007] (**) Integrated_Webcam_HD: Integrate: Applying InputClass "libinput keyboard catchall"
[     4.007] (II) Using input driver 'libinput' for 'Integrated_Webcam_HD: Integrate'
[     4.007] (**) Option "Device" "/dev/input/event8"
[     4.040] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/input/input10/event8"
[     4.040] (II) XINPUT: Adding extended input device "Integrated_Webcam_HD: Integrate" (type: KEYBOARD, id 10)
[     4.040] (II) config/udev: Adding input device ELAN Touchscreen (/dev/input/event12)
[     4.040] (**) ELAN Touchscreen: Applying InputClass "libinput touchscreen catchall"
[     4.040] (II) Using input driver 'libinput' for 'ELAN Touchscreen'
[     4.040] (**) Option "Device" "/dev/input/event12"
[     4.080] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/0003:04F3:2494.0004/input/input19/event12"
[     4.080] (II) XINPUT: Adding extended input device "ELAN Touchscreen" (type: TOUCHSCREEN, id 11)
[     4.080] (II) config/udev: Adding input device ELAN Touchscreen (/dev/input/mouse1)
[     4.080] (II) No input driver specified, ignoring this device.
[     4.080] (II) config/udev: Adding input device DELL0740:00 06CB:7E7E Touchpad (/dev/input/event11)
[     4.081] (**) DELL0740:00 06CB:7E7E Touchpad: Applying InputClass "libinput touchpad catchall"
[     4.081] (II) Using input driver 'libinput' for 'DELL0740:00 06CB:7E7E Touchpad'
[     4.081] (**) Option "Device" "/dev/input/event11"
[     4.116] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-0/i2c-DELL0740:00/0018:06CB:7E7E.0001/input/input14/event11"
[     4.116] (II) XINPUT: Adding extended input device "DELL0740:00 06CB:7E7E Touchpad" (type: TOUCHPAD, id 12)
[     4.117] (II) config/udev: Adding input device DELL0740:00 06CB:7E7E Touchpad (/dev/input/mouse0)
[     4.117] (II) No input driver specified, ignoring this device.
[     4.117] (II) config/udev: Adding input device Intel Virtual Button driver (/dev/input/event6)
[     4.117] (**) Intel Virtual Button driver: Applying InputClass "libinput keyboard catchall"
[     4.117] (II) Using input driver 'libinput' for 'Intel Virtual Button driver'
[     4.117] (**) Option "Device" "/dev/input/event6"
[     4.136] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/INT33D6:00/input/input7/event6"
[     4.136] (II) XINPUT: Adding extended input device "Intel Virtual Button driver" (type: KEYBOARD, id 13)
[     4.137] (II) config/udev: Adding input device Intel HID events (/dev/input/event5)
[     4.137] (**) Intel HID events: Applying InputClass "libinput keyboard catchall"
[     4.137] (II) Using input driver 'libinput' for 'Intel HID events'
[     4.137] (**) Option "Device" "/dev/input/event5"
[     4.156] (**) Option "config_info" "udev:/sys/devices/platform/INT33D5:00/input/input6/event5"
[     4.156] (II) XINPUT: Adding extended input device "Intel HID events" (type: KEYBOARD, id 14)
[     4.157] (II) config/udev: Adding input device Dell WMI hotkeys (/dev/input/event9)
[     4.157] (**) Dell WMI hotkeys: Applying InputClass "libinput keyboard catchall"
[     4.157] (II) Using input driver 'libinput' for 'Dell WMI hotkeys'
[     4.157] (**) Option "Device" "/dev/input/event9"
[     4.173] (**) Option "config_info" "udev:/sys/devices/platform/PNP0C14:00/wmi_bus/wmi_bus-PNP0C14:00/9DBB5994-A997-11DA-B012-B622A1EF5492/input/input11/event9"
[     4.173] (II) XINPUT: Adding extended input device "Dell WMI hotkeys" (type: KEYBOARD, id 15)
[     4.174] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event0)
[     4.174] (**) AT Translated Set 2 keyboard: Applying InputClass "libinput keyboard catchall"
[     4.174] (II) Using input driver 'libinput' for 'AT Translated Set 2 keyboard'
[     4.174] (**) Option "Device" "/dev/input/event0"
[     4.186] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input0/event0"
[     4.186] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 16)
[     4.187] (II) config/udev: Adding input device PC Speaker (/dev/input/event7)
[     4.187] (II) No input driver specified, ignoring this device.
[     5.246] (II) UnloadModule: "libinput"
[     5.246] (II) config/udev: Adding input device Intel Virtual Button driver (/dev/input/event6)
[     5.246] (**) Intel Virtual Button driver: Applying InputClass "libinput keyboard catchall"
[     5.246] (II) Using input driver 'libinput' for 'Intel Virtual Button driver'
[     5.246] (**) Option "Device" "/dev/input/event6"
[     5.263] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/INT33D6:00/input/input7/event6"
[     5.263] (II) XINPUT: Adding extended input device "Intel Virtual Button driver" (type: KEYBOARD, id 13)
[     5.276] (II) UnloadModule: "libinput"
[     5.276] (II) config/udev: Adding input device Intel HID events (/dev/input/event5)
[     5.277] (**) Intel HID events: Applying InputClass "libinput keyboard catchall"
[     5.277] (II) Using input driver 'libinput' for 'Intel HID events'
[     5.277] (**) Option "Device" "/dev/input/event5"
[     5.296] (**) Option "config_info" "udev:/sys/devices/platform/INT33D5:00/input/input6/event5"
[     5.296] (II) XINPUT: Adding extended input device "Intel HID events" (type: KEYBOARD, id 14)
[     5.313] (II) UnloadModule: "libinput"
[     5.313] (II) config/udev: Adding input device Sleep Button (/dev/input/event3)
[     5.313] (**) Sleep Button: Applying InputClass "libinput keyboard catchall"
[     5.313] (II) Using input driver 'libinput' for 'Sleep Button'
[     5.313] (**) Option "Device" "/dev/input/event3"
[     5.326] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input4/event3"
[     5.326] (II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 9)
[     5.340] (II) UnloadModule: "libinput"
[     5.340] (II) config/udev: Adding input device Power Button (/dev/input/event4)
[     5.340] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[     5.340] (II) Using input driver 'libinput' for 'Power Button'
[     5.340] (**) Option "Device" "/dev/input/event4"
[     5.360] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input5/event4"
[     5.360] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[     5.373] (II) UnloadModule: "libinput"
[     5.373] (II) config/udev: Adding input device Power Button (/dev/input/event2)
[     5.373] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[     5.373] (II) Using input driver 'libinput' for 'Power Button'
[     5.373] (**) Option "Device" "/dev/input/event2"
[     5.390] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input3/event2"
[     5.390] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 8)
[     5.390] (II) config/udev: Adding input device PC Speaker (/dev/input/event7)
[     5.390] (II) No input driver specified, ignoring this device.
[     5.410] (II) UnloadModule: "libinput"
[     5.410] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event0)
[     5.410] (**) AT Translated Set 2 keyboard: Applying InputClass "libinput keyboard catchall"
[     5.410] (II) Using input driver 'libinput' for 'AT Translated Set 2 keyboard'
[     5.410] (**) Option "Device" "/dev/input/event0"
[     5.423] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input0/event0"
[     5.423] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 16)
[     5.424] (II) config/udev: Adding input device Lid Switch (/dev/input/event1)
[     5.424] (II) No input driver specified, ignoring this device.
[     5.443] (II) UnloadModule: "libinput"
[     5.443] (II) config/udev: Adding input device Dell WMI hotkeys (/dev/input/event9)
[     5.443] (**) Dell WMI hotkeys: Applying InputClass "libinput keyboard catchall"
[     5.443] (II) Using input driver 'libinput' for 'Dell WMI hotkeys'
[     5.443] (**) Option "Device" "/dev/input/event9"
[     5.456] (**) Option "config_info" "udev:/sys/devices/platform/PNP0C14:00/wmi_bus/wmi_bus-PNP0C14:00/9DBB5994-A997-11DA-B012-B622A1EF5492/input/input11/event9"
[     5.456] (II) XINPUT: Adding extended input device "Dell WMI hotkeys" (type: KEYBOARD, id 15)
[     5.473] (II) UnloadModule: "libinput"
[     5.473] (II) config/udev: Adding input device Video Bus (/dev/input/event10)
[     5.473] (**) Video Bus: Applying InputClass "libinput keyboard catchall"
[     5.473] (II) Using input driver 'libinput' for 'Video Bus'
[     5.473] (**) Option "Device" "/dev/input/event10"
[     5.496] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input12/event10"
[     5.496] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 7)
[     5.533] (II) UnloadModule: "libinput"
[     5.533] (II) config/udev: Adding input device Integrated_Webcam_HD: Integrate (/dev/input/event8)
[     5.533] (**) Integrated_Webcam_HD: Integrate: Applying InputClass "libinput keyboard catchall"
[     5.533] (II) Using input driver 'libinput' for 'Integrated_Webcam_HD: Integrate'
[     5.533] (**) Option "Device" "/dev/input/event8"
[     5.573] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/input/input10/event8"
[     5.573] (II) XINPUT: Adding extended input device "Integrated_Webcam_HD: Integrate" (type: KEYBOARD, id 10)
[     5.613] (II) UnloadModule: "libinput"
[     5.614] (II) config/udev: Adding input device DELL0740:00 06CB:7E7E Touchpad (/dev/input/event11)
[     5.614] (**) DELL0740:00 06CB:7E7E Touchpad: Applying InputClass "libinput touchpad catchall"
[     5.614] (II) Using input driver 'libinput' for 'DELL0740:00 06CB:7E7E Touchpad'
[     5.614] (**) Option "Device" "/dev/input/event11"
[     5.756] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:15.0/i2c_designware.0/i2c-0/i2c-DELL0740:00/0018:06CB:7E7E.0001/input/input14/event11"
[     5.756] (II) XINPUT: Adding extended input device "DELL0740:00 06CB:7E7E Touchpad" (type: TOUCHPAD, id 12)
[     5.757] (II) config/udev: Adding input device DELL0740:00 06CB:7E7E Touchpad (/dev/input/mouse0)
[     5.757] (II) No input driver specified, ignoring this device.
[     5.796] (II) UnloadModule: "libinput"
[     5.796] (II) config/udev: Adding input device ELAN Touchscreen (/dev/input/event12)
[     5.796] (**) ELAN Touchscreen: Applying InputClass "libinput touchscreen catchall"
[     5.796] (II) Using input driver 'libinput' for 'ELAN Touchscreen'
[     5.796] (**) Option "Device" "/dev/input/event12"
[     5.830] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:14.0/usb1/1-7/1-7:1.0/0003:04F3:2494.0004/input/input19/event12"
[     5.830] (II) XINPUT: Adding extended input device "ELAN Touchscreen" (type: TOUCHSCREEN, id 11)
[     5.830] (II) config/udev: Adding input device ELAN Touchscreen (/dev/input/mouse1)
[     5.830] (II) No input driver specified, ignoring this device.
[     5.831] (II) config/udev: Adding input device HDA Intel PCH Headphone Mic (/dev/input/event13)
[     5.831] (II) No input driver specified, ignoring this device.
[     5.831] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=9 (/dev/input/event17)
[     5.831] (II) No input driver specified, ignoring this device.
[     5.831] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=7 (/dev/input/event15)
[     5.831] (II) No input driver specified, ignoring this device.
[     5.831] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=8 (/dev/input/event16)
[     5.831] (II) No input driver specified, ignoring this device.
[     5.832] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=10 (/dev/input/event18)
[     5.832] (II) No input driver specified, ignoring this device.
[     5.832] (II) config/udev: Adding input device HDA Intel PCH HDMI/DP,pcm=3 (/dev/input/event14)
[     5.832] (II) No input driver specified, ignoring this device.
[     9.117] (II) config/udev: Adding input device PS/2 Synaptics TouchPad (/dev/input/mouse2)
[     9.117] (II) No input driver specified, ignoring this device.
[     9.144] (II) config/udev: Adding input device PS/2 Synaptics TouchPad (/dev/input/event19)
[     9.144] (**) PS/2 Synaptics TouchPad: Applying InputClass "libinput pointer catchall"
[     9.144] (II) Using input driver 'libinput' for 'PS/2 Synaptics TouchPad'
[     9.144] (**) Option "Device" "/dev/input/event19"
[     9.210] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio1/input/input9/event19"
[     9.210] (II) XINPUT: Adding extended input device "PS/2 Synaptics TouchPad" (type: MOUSE, id 17)
[   426.056] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"
[   426.057] (II) UnloadModule: "libinput"