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 Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1700657 Title: Touchpad not detected in Lenovo X1 Yoga / Yoga 720-15IKB To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1700657/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
