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 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1940778 Title: Touchpad does not work on Linux Ubuntu 20.04 LTS, but it does work on Windows 10 Status in linux package in Ubuntu: Confirmed Bug description: Lenovo Legion Y540-15IRH, model name 81SX, MTM: 81SX00A3RK. Touchpad works on Windows 10, but does not work on Linux Ubuntu Budgie 20.04.2 LTS. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-81-generic 5.4.0-81.91 ProcVersionSignature: Ubuntu 5.4.0-81.91-generic 5.4.128 Uname: Linux 5.4.0-81-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu27.18 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: raylend 1659 F.... pulseaudio /dev/snd/controlC0: raylend 1659 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: Budgie:GNOME Date: Sun Aug 22 20:41:40 2021 InstallationDate: Installed on 2020-05-17 (462 days ago) InstallationMedia: Ubuntu-Budgie 20.04 LTS "Focal Fossa" - Release amd64 (20200423) MachineType: LENOVO 81SX ProcFB: 0 EFI VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-81-generic root=UUID=4f63cec8-75a6-45ed-b628-e808c54fe158 ro quiet splash acpi_osi= vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.4.0-81-generic N/A linux-backports-modules-5.4.0-81-generic N/A linux-firmware 1.187.16 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/30/2020 dmi.bios.vendor: LENOVO dmi.bios.version: BHCN41WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: NO DPK dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: Legion Y540-15IRH dmi.modalias: dmi:bvnLENOVO:bvrBHCN41WW:bd11/30/2020:svnLENOVO:pn81SX:pvrLegionY540-15IRH:rvnLENOVO:rnLNVNB161216:rvrNODPK:cvnLENOVO:ct10:cvrLegionY540-15IRH: dmi.product.family: Legion Y540-15IRH dmi.product.name: 81SX dmi.product.sku: LENOVO_MT_81SX_BU_idea_FM_Legion Y540-15IRH dmi.product.version: Legion Y540-15IRH dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1940778/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
