Hello @kaihengfeng, We add i2c-hid.dyndbg=+p to kernel parameter and attach dmesg.
More information: All laptops whit the touchpad have same "Unique ID" slimbook@slimbook:$ hwinfo --mouse 33: PS/2 00.0: 10500 PS/2 Mouse [Created at input.249] Unique ID: AH6Q.bGO0sOimOM3 Hardware Class: mouse Model: "ImExPS/2 Generic Explorer Mouse" Vendor: 0x0002 Device: 0x0006 "ImExPS/2 Generic Explorer Mouse" Compatible to: int 0x0210 0x0025 Device File: /dev/input/mice (/dev/input/mouse1) Device Files: /dev/input/mice, /dev/input/mouse1, /dev/input/event7 Device Number: char 13:63 (char 13:33) Driver Info #0: Buttons: 5 Wheels: 2 XFree86 Protocol: explorerps/2 GPM Protocol: exps2 Config Status: cfg=new, avail=yes, need=no, active=unknown -- 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/1688625 Title: Linux does not recognize the Hantick touchpad as a touchpad and does not enable all the functions Status in linux package in Ubuntu: Confirmed Bug description: Hello, We have laptops with touchpad Hantick, that on Miscrosft Windows work with Elan driver. Linux does not recognize the Hantick touchpad as a touchpad and does not enable all the functions of evdev or libinput. Thanks -------- ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.4.0-77-generic 4.4.0-77.98 ProcVersionSignature: Ubuntu 4.4.0-77.98-generic 4.4.59 Uname: Linux 4.4.0-77-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: slimbook 1720 F.... pulseaudio CurrentDesktop: Unity Date: Fri May 5 20:01:33 2017 HibernationDevice: RESUME=UUID=eef047d2-92ea-4166-a300-7a4de6af1448 InstallationDate: Installed on 2017-05-05 (0 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 090c:037c Silicon Motion, Inc. - Taiwan (formerly Feiya Technology Corp.) 300k Pixel Camera Bus 001 Device 003: ID 8087:0a2a Intel Corp. Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: SLIMBOOK KATANA ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-77-generic.efi.signed root=UUID=00a6febb-4980-4147-a2e8-29930aed3d30 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.4.0-77-generic N/A linux-backports-modules-4.4.0-77-generic N/A linux-firmware 1.157.8 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/25/2016 dmi.bios.vendor: INSYDE Corp. dmi.bios.version: 16L dmi.board.asset.tag: Type2 - Board Asset Tag dmi.board.name: KATANA dmi.board.vendor: SLIMBOOK dmi.board.version: Type2 - Board Version dmi.chassis.asset.tag: Chassis Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: SLIMBOOK dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnINSYDECorp.:bvr16L:bd07/25/2016:svnSLIMBOOK:pnKATANA:pvrTBDbyOEM:rvnSLIMBOOK:rnKATANA:rvrType2-BoardVersion:cvnSLIMBOOK:ct10:cvrChassisVersion: dmi.product.name: KATANA dmi.product.version: TBD by OEM dmi.sys.vendor: SLIMBOOK To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1688625/+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