The previous entries in dmesg was with @coolstar's patch and with the patch to elan_i2c_core.c, only applying @coolstar's patch for v4.13rc1 i see this in dmesg:
[ 8.995266] i2c_hid i2c-ELAN0651:00: i2c-ELAN0651:00 supply vdd not found, using dummy regulator [ 10.620352] i2c_hid i2c-ELAN0651:00: can't add hid device: -5 [ 10.620578] i2c_hid: probe of i2c-ELAN0651:00 failed with error -5 The kernel module seems to load: $ dmesg | grep -i intel_lpss_pci [ 8.994014] Modules linked in: intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc snd_hda_intel aesni_intel snd_hda_codec aes_x86_64 crypto_simd glue_helper snd_hda_core cryptd snd_hwdep uvcvideo intel_cstate snd_pcm videobuf2_vmalloc intel_rapl_perf videobuf2_memops videobuf2_v4l2 videobuf2_core snd_seq videodev input_leds media serio_raw snd_seq_device snd_timer btusb hci_uart btrtl btbcm snd serdev btqca btintel bluetooth mei_me idma64 virt_dma soundcore mei shpchp(+) processor_thermal_device intel_pch_thermal intel_soc_dts_iosf ecdh_generic intel_lpss_pci(+) nvidia_uvm(POE) ideapad_laptop int3403_thermal sparse_keymap int340x_thermal_zone wmi acpi_pad mac_hid tpm_crb int3400_thermal intel_lpss_acpi acpi_thermal_rel [ 8.994103] intel_lpss_pci_probe+0x84/0xb7 [intel_lpss_pci] [ 8.994123] intel_lpss_pci_driver_init+0x1e/0x1000 [intel_lpss_pci] but it doesn't look like it is getting used: $ sudo lsmod | grep intel_lpss_pci intel_lpss_pci 20480 0 intel_lpss 16384 2 intel_lpss_pci,intel_lpss_acpi -- 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/1700657 Title: Touchpad not detected in Lenovo X1 Yoga / Yoga 720-15IKB Status in Linux: Unknown Status in linux package in Ubuntu: Confirmed Bug description: Touchpad is not automatically detected in 14.04, 16.04 or 17.04. I tried in live mode and after full installation. I was able to connect an external mouse and a bluetooth mouse and both worked. I checked my xinput list and no sign: ⎡ Virtual core pointer id=2 [master pointer (3)] ⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)] ⎜ ↳ Wacom HID 50FE Finger touch id=12 [slave pointer (2)] ⎜ ↳ Wacom HID 50FE Pen stylus id=13 [slave pointer (2)] ⎜ ↳ Wacom HID 50FE Pen eraser id=16 [slave pointer (2)] ⎜ ↳ byron's trackpad id=17 [slave pointer (2)] ⎣ Virtual core keyboard id=3 [master keyboard (2)] ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)] ↳ Power Button id=6 [slave keyboard (3)] ↳ Video Bus id=7 [slave keyboard (3)] ↳ Video Bus id=8 [slave keyboard (3)] ↳ Power Button id=9 [slave keyboard (3)] ↳ Apple Inc. Magic Keyboard id=10 [slave keyboard (3)] ↳ EasyCamera id=11 [slave keyboard (3)] ↳ Ideapad extra buttons id=14 [slave keyboard (3)] ↳ AT Translated Set 2 keyboard id=15 [slave keyboard (3)] ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: linux-image-4.10.0-24-generic 4.10.0-24.28 ProcVersionSignature: Ubuntu 4.10.0-24.28-generic 4.10.15 Uname: Linux 4.10.0-24-generic x86_64 ApportVersion: 2.20.4-0ubuntu4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: byron 1794 F.... pulseaudio CurrentDesktop: Unity:Unity7 Date: Mon Jun 26 16:51:37 2017 InstallationDate: Installed on 2017-06-26 (0 days ago) InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412) MachineType: LENOVO 80X7 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-24-generic.efi.signed root=UUID=39280165-1a70-4b0d-b1fa-3b01e8bc1e25 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-4.10.0-24-generic N/A linux-backports-modules-4.10.0-24-generic N/A linux-firmware 1.164 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/12/2017 dmi.bios.vendor: LENOVO dmi.bios.version: 4MCN20WW(V1.06) dmi.board.asset.tag: NO Asset Tag dmi.board.name: Lenovo YOGA 720-15IKB dmi.board.vendor: LENOVO dmi.board.version: SDK0J40709 WIN dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 31 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo YOGA 720-15IKB dmi.modalias: dmi:bvnLENOVO:bvr4MCN20WW(V1.06):bd04/12/2017:svnLENOVO:pn80X7:pvrLenovoYOGA720-15IKB:rvnLENOVO:rnLenovoYOGA720-15IKB:rvrSDK0J40709WIN:cvnLENOVO:ct31:cvrLenovoYOGA720-15IKB: dmi.product.name: 80X7 dmi.product.version: Lenovo YOGA 720-15IKB dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1700657/+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
