Hi all. I have a ThinkBook 14 IML 20RV with BIOS CJCN27WW and kernel 5.3.0-59. If I add "i2c_designware_core.dyndbg=+p i2c-hid.debug=1" to the boot parameters then this appears in dmesg:
[ 78.109188] i2c_designware i2c_designware.0: Standard Mode HCNT:LCNT = 926:1079 [ 78.109190] i2c_designware i2c_designware.0: Fast Mode HCNT:LCNT = 191:345 [ 78.109192] i2c_designware i2c_designware.0: SDA Hold Time TX:RX = 50:1 [ 78.109193] i2c_designware i2c_designware.0: Bus speed: Standard Mode [ 78.110181] i2c_hid i2c-ELAN0632:00: i2c-ELAN0632:00 supply vdd not found, using dummy regulator [ 78.110190] i2c_hid i2c-ELAN0632:00: i2c-ELAN0632:00 supply vddl not found, using dummy regulator [ 78.110208] i2c_designware i2c_designware.0: i2c_dw_xfer: msgs: 1 [ 78.110226] i2c_designware i2c_designware.0: enabled=0x1 stat=0x10 [ 78.110331] i2c_designware i2c_designware.0: enabled=0x1 stat=0x750 [ 78.110337] i2c_designware i2c_designware.0: i2c_dw_handle_tx_abort: slave address not acknowledged (7bit mode) [ 78.110899] elan_i2c i2c-ELAN0632:00: i2c-ELAN0632:00 supply vcc not found, using dummy regulator [ 78.110906] i2c_designware i2c_designware.0: i2c_dw_xfer: msgs: 1 [ 78.110923] i2c_designware i2c_designware.0: enabled=0x1 stat=0x10 [ 78.111029] i2c_designware i2c_designware.0: enabled=0x1 stat=0x750 [ 78.111036] i2c_designware i2c_designware.0: i2c_dw_handle_tx_abort: slave address not acknowledged (7bit mode) Hope this is relevant information -- 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/1853277 Title: Lenovo ThinkBook 14-IML Touchpad not showing up in /proc/bus/input/devices Status in linux package in Ubuntu: Confirmed Bug description: This is happening on a ThinkBook 14 IML 20RV. ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-18-generic 5.3.0-18.19+1 ProcVersionSignature: Ubuntu 5.3.0-18.19-generic 5.3.1 Uname: Linux 5.3.0-18-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu8 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ubuntu 1848 F.... pulseaudio CasperVersion: 1.427 CurrentDesktop: ubuntu:GNOME Date: Wed Nov 20 11:10:52 2019 LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: LENOVO 20RV ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=C.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/username.seed quiet splash --- RelatedPackageVersions: linux-restricted-modules-5.3.0-18-generic N/A linux-backports-modules-5.3.0-18-generic N/A linux-firmware 1.183 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/10/2019 dmi.bios.vendor: LENOVO dmi.bios.version: CJCN21WW dmi.board.name: LVA/LVAB dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.modalias: dmi:bvnLENOVO:bvrCJCN21WW:bd10/10/2019:svnLENOVO:pn20RV:pvrLenovoThinkBook14-IML:rvnLENOVO:rnLVA/LVAB:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvr: dmi.product.family: ThinkBook 14-IML dmi.product.name: 20RV dmi.product.sku: LENOVO_MT_20RV_BU_idea_FM_ThinkBook 14-IML dmi.product.version: Lenovo ThinkBook 14-IML dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853277/+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
