The output of 'cat /proc/bus/input/devices' command does not contain any mentions of touchpads.
I: Bus=0019 Vendor=0000 Product=0005 Version=0000
N: Name="Lid Switch"
P: Phys=PNP0C0D/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0
U: Uniq=
H: Handlers=event0 
B: PROP=0
B: EV=21
B: SW=1

I: Bus=0019 Vendor=0000 Product=0001 Version=0000
N: Name="Power Button"
P: Phys=PNP0C0C/button/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1
U: Uniq=
H: Handlers=kbd event1 
B: PROP=0
B: EV=3
B: KEY=10000000000000 0

I: Bus=0011 Vendor=0001 Product=0001 Version=ab83
N: Name="AT Translated Set 2 keyboard"
P: Phys=isa0060/serio0/input0
S: Sysfs=/devices/platform/i8042/serio0/input/input2
U: Uniq=
H: Handlers=sysrq kbd event2 leds 
B: PROP=0
B: EV=120013
B: KEY=402000000 3803078f800d001 feffffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=7

I: Bus=0019 Vendor=0000 Product=0006 Version=0000
N: Name="Video Bus"
P: Phys=LNXVIDEO/video/input0
S: Sysfs=/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:00/LNXVIDEO:00/input/input3
U: Uniq=
H: Handlers=kbd event3 
B: PROP=0
B: EV=3
B: KEY=3e000b00000000 0 0 0

I: Bus=0003 Vendor=048d Product=c100 Version=0110
N: Name="ITE Tech. Inc. ITE Device(8910) Keyboard"
P: Phys=usb-0000:00:14.0-9/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:048D:C100.0001/input/input4
U: Uniq=
H: Handlers=sysrq kbd event4 leds 
B: PROP=0
B: EV=120013
B: KEY=1000000000007 ff9f207ac14057ff febeffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=1f

I: Bus=0003 Vendor=048d Product=c100 Version=0110
N: Name="ITE Tech. Inc. ITE Device(8910) Consumer Control"
P: Phys=usb-0000:00:14.0-9/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:048D:C100.0001/input/input5
U: Uniq=
H: Handlers=kbd event5 
B: PROP=0
B: EV=1f
B: KEY=302ff 0 0 483ffff17aff32d bfd4444600000000 1 130c730b17c000 267bfad9415fed 9e168000004400 10000002
B: REL=1040
B: ABS=100000000
B: MSC=10

I: Bus=0003 Vendor=048d Product=c100 Version=0110
N: Name="ITE Tech. Inc. ITE Device(8910) System Control"
P: Phys=usb-0000:00:14.0-9/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-9/1-9:1.0/0003:048D:C100.0001/input/input6
U: Uniq=
H: Handlers=kbd event6 
B: PROP=0
B: EV=13
B: KEY=c000 10000000000000 0
B: MSC=10

I: Bus=0019 Vendor=0000 Product=0000 Version=0000
N: Name="Ideapad extra buttons"
P: Phys=ideapad/input0
S: Sysfs=/devices/pci0000:00/0000:00:1f.0/PNP0C09:00/VPC2004:00/input/input7
U: Uniq=
H: Handlers=rfkill kbd event7 
B: PROP=0
B: EV=13
B: KEY=81000800100c03 4400000000300000 0 2
B: MSC=10

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH Mic"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input8
U: Uniq=
H: Handlers=event8 
B: PROP=0
B: EV=21
B: SW=10

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA Intel PCH Headphone"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:1f.3/sound/card0/input9
U: Uniq=
H: Handlers=event9 
B: PROP=0
B: EV=21
B: SW=4

I: Bus=0003 Vendor=04f2 Product=b6d9 Version=2699
N: Name="Integrated Camera: Integrated C"
P: Phys=usb-0000:00:14.0-6/button
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-6/1-6:1.0/input/input10
U: Uniq=
H: Handlers=kbd event10 
B: PROP=0
B: EV=3
B: KEY=100000 0 0 0

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=3"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input11
U: Uniq=
H: Handlers=event11 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=7"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input12
U: Uniq=
H: Handlers=event12 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=8"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input13
U: Uniq=
H: Handlers=event13 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=9"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input14
U: Uniq=
H: Handlers=event14 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=10"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input15
U: Uniq=
H: Handlers=event15 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0000 Vendor=0000 Product=0000 Version=0000
N: Name="HDA NVidia HDMI/DP,pcm=11"
P: Phys=ALSA
S: Sysfs=/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1/input16
U: Uniq=
H: Handlers=event16 
B: PROP=0
B: EV=21
B: SW=140

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device"
P: Phys=usb-0000:00:14.0-1/input0
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.0/0003:09DA:1717.0005/input/input23
U: Uniq=
H: Handlers=sysrq kbd event17 leds 
B: PROP=0
B: EV=120013
B: KEY=1000000000007 ff800000000007ff febeffdfffefffff fffffffffffffffe
B: MSC=10
B: LED=1f

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device"
P: Phys=usb-0000:00:14.0-1/input1
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.1/0003:09DA:1717.0006/input/input24
U: Uniq=
H: Handlers=mouse0 event18 
B: PROP=0
B: EV=17
B: KEY=ff0000 0 0 0 0
B: REL=903
B: MSC=10

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device Keyboard"
P: Phys=usb-0000:00:14.0-1/input2
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:1717.0007/input/input25
U: Uniq=
H: Handlers=sysrq kbd event19 
B: PROP=0
B: EV=100013
B: KEY=1000000000007 ff800000000007ff febeffdfffefffff fffffffffffffffe
B: MSC=10

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device System Control"
P: Phys=usb-0000:00:14.0-1/input2
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:1717.0007/input/input26
U: Uniq=
H: Handlers=kbd event20 
B: PROP=0
B: EV=1b
B: KEY=40000001000000 1200000000 0 800000000 40000010cc00 10168000000000 0
B: ABS=10000000000
B: MSC=10

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device Consumer Control"
P: Phys=usb-0000:00:14.0-1/input2
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:1717.0007/input/input27
U: Uniq=
H: Handlers=kbd event21 
B: PROP=0
B: EV=1f
B: KEY=302ff 0 0 483ffff17aff32d bfd4444600000000 1 130c730b17c000 267bfad9415fed 9e168000004400 10000002
B: REL=1040
B: ABS=100000000
B: MSC=10

I: Bus=0003 Vendor=09da Product=1717 Version=0111
N: Name="COMPANY USB Device"
P: Phys=usb-0000:00:14.0-1/input2
S: Sysfs=/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1:1.2/0003:09DA:1717.0007/input/input28
U: Uniq=
H: Handlers=event22 
B: PROP=0
B: EV=9
B: ABS=10000000000