Lenovo ThinkPad X1 Yoga 2nd Generation

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Hardware

Stock Device

root #lspci -nnk
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers [8086:5904] (rev 02)
        Subsystem: Lenovo Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers [17aa:224e]
        Kernel driver in use: skl_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 620 [8086:5916] (rev 02)
        Subsystem: Lenovo HD Graphics 620 [17aa:224e]
        Kernel driver in use: i915
        Kernel modules: i915
00:08.0 System peripheral [0880]: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model [8086:1911]
        Subsystem: Lenovo Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model [17aa:224e]
00:13.0 Non-VGA unclassified device [0000]: Intel Corporation Sunrise Point-LP Integrated Sensor Hub [8086:9d35] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP Integrated Sensor Hub [17aa:224e]
        Kernel driver in use: intel_ish_ipc
00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller [8086:9d2f] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP USB 3.0 xHCI Controller [17aa:224e]
        Kernel driver in use: xhci_hcd
00:14.2 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Thermal subsystem [8086:9d31] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP Thermal subsystem [17aa:224e]
00:15.0 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 [8086:9d60] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP Serial IO I2C Controller [17aa:224e]
00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-LP CSME HECI #1 [8086:9d3a] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP CSME HECI [17aa:224e]
        Kernel driver in use: mei_me
00:1c.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #1 [8086:9d10] (rev f1)
        Kernel driver in use: pcieport
00:1c.2 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #3 [8086:9d12] (rev f1)
        Kernel driver in use: pcieport
00:1c.4 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 [8086:9d14] (rev f1)
        Kernel driver in use: pcieport
00:1d.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 [8086:9d18] (rev f1)
        Kernel driver in use: pcieport
00:1f.0 ISA bridge [0601]: Intel Corporation Sunrise Point LPC Controller/eSPI Controller [8086:9d4e] (rev 21)
        Subsystem: Lenovo Sunrise Point LPC Controller/eSPI Controller [17aa:224e]
00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-LP PMC [8086:9d21] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP PMC [17aa:224e]
00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d71] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP HD Audio [17aa:224e]
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-LP SMBus [8086:9d23] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP SMBus [17aa:224e]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801
00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (4) I219-LM [8086:15d7] (rev 21)
        Subsystem: Lenovo Ethernet Connection (4) I219-LM [17aa:224e]
        Kernel driver in use: e1000e
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader [10ec:525a] (rev 01)
        Subsystem: Lenovo RTS525A PCI Express Card Reader [17aa:224e]
        Kernel driver in use: rtsx_pci
04:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275 [8086:24fd] (rev 88)
        Subsystem: Intel Corporation Wireless 8265 / 8275 [8086:0130]
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi
05:00.0 Non-Volatile memory controller [0108]: Lenovo Device [17aa:0004]
        Subsystem: Lenovo Device [17aa:1004]
        Kernel driver in use: nvme
root #lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 138a:0097 Validity Sensors, Inc. 
Bus 001 Device 004: ID 04f2:b5ce Chicony Electronics Co., Ltd Integrated Camera
Bus 001 Device 003: ID 8087:0a2b Intel Corp. 
Bus 001 Device 007: ID 1199:9079 Sierra Wireless, Inc. 
Bus 001 Device 006: ID 056a:50b8 Wacom Co., Ltd 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
root #lsusb
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
    |__ Port 6: Dev 7, If 12, Class=Communications, Driver=cdc_mbim, 480M
    |__ Port 6: Dev 7, If 13, Class=CDC Data, Driver=cdc_mbim, 480M
    |__ Port 7: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
    |__ Port 7: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
    |__ Port 8: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M
    |__ Port 8: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M
    |__ Port 9: Dev 5, If 0, Class=Vendor Specific Class, Driver=, 12M
    |__ Port 10: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 10: Dev 6, If 1, Class=Human Interface Device, Driver=usbhid, 12M


With Dock

root #lspci -nnk
00:00.0 Host bridge [0600]: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers [8086:5904] (rev 02)
        Subsystem: Lenovo Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers [17aa:224e]
        Kernel driver in use: skl_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 620 [8086:5916] (rev 02)
        Subsystem: Lenovo HD Graphics 620 [17aa:224e]
        Kernel driver in use: i915
        Kernel modules: i915
00:08.0 System peripheral [0880]: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model [8086:1911]
        Subsystem: Lenovo Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model [17aa:224e]
00:13.0 Non-VGA unclassified device [0000]: Intel Corporation Sunrise Point-LP Integrated Sensor Hub [8086:9d35] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP Integrated Sensor Hub [17aa:224e]
        Kernel driver in use: intel_ish_ipc
00:14.0 USB controller [0c03]: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller [8086:9d2f] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP USB 3.0 xHCI Controller [17aa:224e]
        Kernel driver in use: xhci_hcd
00:14.2 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Thermal subsystem [8086:9d31] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP Thermal subsystem [17aa:224e]
00:15.0 Signal processing controller [1180]: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 [8086:9d60] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP Serial IO I2C Controller [17aa:224e]
00:16.0 Communication controller [0780]: Intel Corporation Sunrise Point-LP CSME HECI #1 [8086:9d3a] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP CSME HECI [17aa:224e]
        Kernel driver in use: mei_me
00:1c.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #1 [8086:9d10] (rev f1)
        Kernel driver in use: pcieport
00:1c.2 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #3 [8086:9d12] (rev f1)
        Kernel driver in use: pcieport
00:1c.4 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #5 [8086:9d14] (rev f1)
        Kernel driver in use: pcieport
00:1d.0 PCI bridge [0604]: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 [8086:9d18] (rev f1)
        Kernel driver in use: pcieport
00:1f.0 ISA bridge [0601]: Intel Corporation Sunrise Point LPC Controller/eSPI Controller [8086:9d4e] (rev 21)
        Subsystem: Lenovo Sunrise Point LPC Controller/eSPI Controller [17aa:224e]
00:1f.2 Memory controller [0580]: Intel Corporation Sunrise Point-LP PMC [8086:9d21] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP PMC [17aa:224e]
00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio [8086:9d71] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP HD Audio [17aa:224e]
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
00:1f.4 SMBus [0c05]: Intel Corporation Sunrise Point-LP SMBus [8086:9d23] (rev 21)
        Subsystem: Lenovo Sunrise Point-LP SMBus [17aa:224e]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801
00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (4) I219-LM [8086:15d7] (rev 21)
        Subsystem: Lenovo Ethernet Connection (4) I219-LM [17aa:224e]
        Kernel driver in use: e1000e
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader [10ec:525a] (rev 01)
        Subsystem: Lenovo RTS525A PCI Express Card Reader [17aa:224e]
        Kernel driver in use: rtsx_pci
04:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275 [8086:24fd] (rev 88)
        Subsystem: Intel Corporation Wireless 8265 / 8275 [8086:0130]
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi
05:00.0 Non-Volatile memory controller [0108]: Lenovo Device [17aa:0004]
        Subsystem: Lenovo Device [17aa:1004]
        Kernel driver in use: nvme
06:00.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
07:00.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
07:01.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
07:02.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
07:04.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
08:00.0 System peripheral [0880]: Intel Corporation JHL6540 Thunderbolt 3 NHI (C step) [Alpine Ridge 4C 2016] [8086:15d2] (rev 02)
        Subsystem: Device [2222:1111]
        Kernel driver in use: thunderbolt
09:00.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
0a:00.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
0a:01.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
0a:02.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
0a:03.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
0a:04.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02)
        Kernel driver in use: pcieport
0b:00.0 USB controller [0c03]: Fresco Logic FL1100 USB 3.0 Host Controller [1b73:1100] (rev 10)
        Subsystem: Device [17ef:3067]
        Kernel driver in use: xhci_hcd
0d:00.0 USB controller [0c03]: Fresco Logic FL1100 USB 3.0 Host Controller [1b73:1100] (rev 10)
        Subsystem: Device [17ef:3068]
        Kernel driver in use: xhci_hcd
root #lsusb
Bus 006 Device 002: ID 17ef:3069 Lenovo 
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 17ef:3066 Lenovo 
Bus 003 Device 002: ID 17ef:306a Lenovo 
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 138a:0097 Validity Sensors, Inc. 
Bus 001 Device 004: ID 04f2:b5ce Chicony Electronics Co., Ltd Integrated Camera
Bus 001 Device 003: ID 8087:0a2b Intel Corp. 
Bus 001 Device 007: ID 1199:9079 Sierra Wireless, Inc. 
Bus 001 Device 006: ID 056a:50b8 Wacom Co., Ltd 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
root #lsusb -t
/:  Bus 06.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
    |__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=r8152, 5000M
/:  Bus 05.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 5000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/4p, 480M
    |__ Port 1: Dev 2, If 2, Class=Audio, Driver=snd-usb-audio, 12M
    |__ Port 1: Dev 2, If 0, Class=Audio, Driver=snd-usb-audio, 12M
    |__ Port 1: Dev 2, If 3, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 1: Dev 2, If 1, Class=Audio, Driver=snd-usb-audio, 12M
    |__ Port 4: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 12M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
    |__ Port 6: Dev 7, If 12, Class=Communications, Driver=cdc_mbim, 480M
    |__ Port 6: Dev 7, If 13, Class=CDC Data, Driver=cdc_mbim, 480M
    |__ Port 7: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
    |__ Port 7: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
    |__ Port 8: Dev 4, If 1, Class=Video, Driver=uvcvideo, 480M
    |__ Port 8: Dev 4, If 0, Class=Video, Driver=uvcvideo, 480M
    |__ Port 9: Dev 5, If 0, Class=Vendor Specific Class, Driver=, 12M
    |__ Port 10: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 12M
    |__ Port 10: Dev 6, If 1, Class=Human Interface Device, Driver=usbhid, 12M

Device Table

Device Make/model Status Vendor ID / Product ID Kernel driver(s) Notes
VGA compatible controller Intel Corporation HD Graphics 620 Works — i915 —
Ethernet network controller Intel Corporation Ethernet Connection (4) I219-LM (rev 21) Works 8086:15d7 e1000e —
Wireless network controller Intel Corporation Wireless 8265 / 8275 (rev 88) Works 8086:24fd iwlwifi —
Bluetooth Intel Corporation Wireless Works 8087:0a2b btusb —
Touchscreen Wacom Serial Pen and Multitouch Sensor Works 056a:50b8 usbhid —
Card Reader Realtek RTS525A PCI Express Card Reader Works 10ec:525a rtsx_pci —
Audio device Intel Corporation Sunrise Point-LP HD Audio Works — snd_hda_intel —
Integrated Webcam Chicony Electronics Co.,Ltd. Webcam Works 04f2:b5ce uvcvideo —
Thunderbolt Intel Corporation JHL6540 Thunderbolt 3 NHI Works 2222:1111 thunderbolt —
NVME Disk Lenovo Device Works — nvme —
Fingerprint reader Validity Sensors, Inc. Fingerprint Sensor Not tested 138a:0097 — —
WWAN & GPS Sierra Wireless EM7455 Qualcomm Snapdragon X7 LTE-A Works 1199:9079 cdc_mbim —
NFC Foxconn T77H747 NXP NPC300 (PN548) Not tested — nxp_nci_i2c connected through i2c (listed in ACPI DSDT as NFC1 NXP1001)
Thunderbolt 3 Dock Ethernet Realtek RTL8152 USB Ethernet Adapter Works 17ef:3069 r8152 —
Thunderbolt 3 Dock Audio ThinkPad Thunderbolt 3 Dock USB Audio Works 17ef:306a snd_usb_audio —

Installation

Apply the additional lines below to the make.conf file of Portage.

Note
To get up-to-date CPU_FLAGS_X86, discover the flags for your CPU with cpuid2cpuflags!
FILE /etc/portage/make.conf
# for i7-7600U
CPU_FLAGS_X86="aes avx avx2 fma3 mmx mmxext pclmul popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3"

# for i5-7300U
CPU_FLAGS_X86="aes avx avx2 f16c fma3 mmx mmxext pclmul popcnt sse sse2 sse3 sse4_1 sse4_2 ssse3"

INPUT_DEVICES="libinput wacom"
VIDEO_CARDS="intel i965"
GRUB_PLATFORMS="efi-64"

Then you should update the world to recompile all installed packages with the new flags.

root #emerge --ask --changed-use --deep @world

Firmware

Install the package sys-kernel/linux-firmware which contains the wifi device driver.

root #emerge --ask sys-kernel/linux-firmware

Kernel

KERNEL NVME SSD
Device Drivers  --->
   <*>  NVM Express block device
KERNEL ACPI
Generic Driver Options  --->
   [*] X86 Platform Specific Device Drivers  --->
      <*>   ThinkPad ACPI Laptop Extras
      [*]     Console audio control ALSA interface
      [ ]     Maintainer debug facilities
      [ ]     Verbose debug mode
      [ ]     Allow control of important LEDs (unsafe)
      [*]     Video output control support
      [*]     Support NVRAM polling for hot keys

Device Drivers  --->
   Pin controllers (PINCTRL [=y])  --->
      Intel pinctrl drivers  --->
         <*> Intel Sunrisepoint pinctrl and GPIO driver
KERNEL Ethernet controller
Generic Driver Options  --->
   [*] Network device support  ---
      [*]   Ethernet driver support  --->
         [*]   Intel devices
         <*>     Intel(R) PRO/1000 PCI-Express Gigabit Ethernet support


Building the following device driver as module may be appropriate as it requires firmware during initialization.

KERNEL Wireless network controller
Generic Driver Options  --->
   [*] Network device support  ---
      [*]   Wireless LAN  --->
         [*]   Intel devices
         <M>     Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi)
         <M>       Intel Wireless WiFi MVM Firmware support
KERNEL Audio device
Generic Driver Options  --->
   <*> Sound card support  --->
      <*>   Advanced Linux Sound Architecture  --->
         [*]   PCI sound devices  --->
               HD-Audio  --->
                  <*> HD Audio PCI
                  <*> Build Conexant HD-audio codec support
KERNEL Bluetooth
-*- Networking support  --->
   <*>   Bluetooth subsystem support  --->
            Bluetooth device drivers  --->
               <*> HCI USB driver
               [*]   Broadcom protocol support
KERNEL Touchscreen
No special options needed.
KERNEL USB 3.0 & USB-C
USB_PCI=y
USB_OTG=y
USB_XHCI_HCD=y
USB_STORAGE=y
TYPEC=y
TYPEC_UCSI=y
KERNEL PCIe Card reader
MISC_RTSX_PCI=y
MMC_REALTEK_PCI=y
MMC_SDHCI=y
KERNEL Integrated Sensor Hub
INTEL_ISH_HID=y
KERNEL Thunderbolt Dock
THUNDERBOLT=y
THUNDERBOLT_NET=y
HOTPLUG_PCI_PCIE=y
HOTPLUG_PCI=y
HOTPLUG_PCI_ACPI=y
USB_USBNET=y         # dock's network card
USB_NET_CDCETHER=y   # "
USB_RTL8152=y        # "
SND_USB_AUDIO=y      # dock's usb-audio

Emerge

Fingerprint reader is recognized by the following library.

root #emerge --ask sys-auth/libfprint

Configuration

(Explain any additional configuration or special customization for this hardware platform. Could be anything from BIOS settings to assigning proper media key functionality.)

Finger/Pen Input

For X11 to work with finger/pen input, pull in x11-drivers/xf86-input-wacom by inserting wacom argument into the indicated variable in the file shown below and run the following command for the configuration to emerge.

FILE /etc/portage/make.conf
INPUT_DEVICES="... wacom"
root #emerge --ask --deep --newuse @world

Trackpoint scrolling

Add the following Xorg configuration file so that the driver is selected for the devices we want.

FILE /etc/X11/xorg.conf.d/90-libinput.conf
Section "InputClass"
        Identifier "libinput pointer catchall"
        MatchIsPointer "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
EndSection

Section "InputClass"
        Identifier "libinput touchpad catchall"
        MatchIsTouchpad "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
EndSection

After a reboot/xorg-server restart, trackpoint scrolling should work.

Hotkeys

Most of the hotkeys are available and can be configured by an X hotkey daemon like x11-misc/sxhkd.

Note
The Audio example functions only work if using PulseAudio.
Function key Function name Macro Example function Notes
F1 Mute audio XF86AudioMute pactl set-sink-mute 0 toggle The LED works as well.
F2, F3 Volume -/+ XF86AudioLowerVolume, XF86AudioRaiseVolume pactl set-sink-volume 0 -/+5% —
F4 Mute microphone XF86AudioMicMute pactl set-source-mute 1 toggle The LED works as well.
F5, F6 Brightness -/+ XF86MonBrightnessDown, XF86MonBrightnessUp xbacklight -dec 5 / xbacklight -inc 5 —
F7 Recognize Monitors XF86Display xrandr --output HDMI1 --auto --below eDP1 —
F8 Enable/Disable Wifi XF86WLAN — Works without any additional config.
F9 Settings / Tools XF86Tools — —
F10 Enable/Disable Bluetooth XF86Bluetooth — Works without any additional config.
F11 Switch Keyboard layout Not working — —
F12 Set Bookmark Not Working — —

Updates

fwupd

Firmware of the X1 Yoga 2nd can be updated with fwupd: https://fwupd.org/lvfs/device/9ca89fa5-ce05-47ac-bdf3-5b0b6f21d07a

You need to build fwupd with the uefi useflag (and boot with UEFI).

BIOS/UEFI

You can use fwupd to update the BIOS and other firmware. As an alternative, you can update the X1 Yoga BIOS/UEFI from Linux with an USB drive.

user $geteltorito -o image.bin downloaded.iso
  • Flash the raw image to USB drive, make sure it's the right device...
root #dd if=image.bin of=/dev/sdx
  • Boot from the USB drive and install the update

Thunderbolt Firmware

You can update the Lenovo Thunderbolt Firmware right from Linux very easily!

View the current firmware version:

root #cat /sys/bus/thunderbolt/devices/0-0/nvm_version
15.0

Upload the update:

root #dd if=/tmp/Thunderbolt/TBT.bin of=/sys/bus/thunderbolt/devices/0-0/nvm_non_active0/nvmem
496+0 records in
496+0 records out
253952 bytes (254 kB, 248 KiB) copied, 0.00235085 s, 108 MB/s

Trigger the update:

root #echo 1 > /sys/bus/thunderbolt/devices/0-0/nvm_authenticate


The screen may flicker and hang, just wait a bit (<20s). Now you should have a newer version!



root #cat /sys/bus/thunderbolt/devices/0-0/nvm_version
27.0







Thunderbolt Dock Firmware


From Linux, you can update the firmware of the USB-C Dock itself with Wine!




user $wine thinkpad_usb_c_dock_firmware.exe

              ThinkPad USB-C Dock FW Utility v3.7
   Package including(BB:0.1.0.23 HX3:1.14.7.183 DK:1.3.40 DP:3.12.005)
======================================================================== 
Update date:Sat 04/22/2017 
Update time:02:36 PM

Checking current Dock FW version  
BillBoard Version: 0.1.0.23 
Hx3 Version: 1.14.7.183 
CCG4 Version: 1.3.40 
DP Hub FW: 3.12.005

Current Dock FW is newer, no need to update.








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