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# Lenovo Yoga 7i

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Hardware | PCI/USB ID | Working?
--- | --- | ---
GPU | `8086:9a49` | Yes
`8086:46a6` | Yes
Wi-Fi | `8086:a0f0` | Yes
`8086:51f0` | Yes
Bluetooth | `8087:0026` | Yes
`8087:0033` | Yes
Audio | `8086:a0c8` | Yes
`8086:51c8` | Yes
Webcam | `5986:212a` | Yes
`5986:2146` | Yes
Keyboard |  | Yes
Touchpad |  | Yes
Touchscreen |  | Yes
Active pen |  | Yes
Fingerprint reader | `27c6:55b4` | Yes

This page provides information for the Gen 6 and Gen 7 version of the Intel-equipped Yoga 7 laptops.

Many of these points mentioned here should also be applicable to Gen 8 versions. See Lenovo Yoga 7i Gen 8 (16IRL8) for details on one specific Yoga 7i Gen 8 model.

## Installation

If you see `Possibly missing firmware for module xhci_pci` when you run mkinitcpio, you can safely ignore the message as this laptop does not have a Renesas USB3 controller. See Mkinitcpio#Possibly missing firmware for module XXXX for details.

## Accessibility

The speakers do not work out of the box (see below), so in particular speech-aided installation is not possible.

## Power management

### Control Power Saving Modes

Install power-profiles-daemon and then enable/start `power-profiles-daemon.service`.

Desktop environments will then detect support for it.

### Activating S3 sleep

In order to support "Windows Modern Standby", the BIOS does not advertise S3 sleep (suspend to RAM), as discussed in detail in this forum post.

Follow DSDT#Recompiling it yourself to patch the DSDT table with the following patch:

    --- dsdt.dsl
    +++ dsdt.dsl
    @@ -18,7 +18,7 @@
      *     Compiler ID      "INTL"
      *     Compiler Version 0x20210105 (539033861)
      */
    -DefinitionBlock ("", "DSDT", 2, "LENOVO", "CB-01   ", 0x00000002)
    +DefinitionBlock ("", "DSDT", 2, "LENOVO", "CB-01   ", 0x00000003)
     {
         External (_GPE.AL6F, MethodObj)    // 0 Arguments
         External (_GPE.P0L6, MethodObj)    // 0 Arguments
    @@ -516,7 +516,7 @@

         Name (SS1, Zero)
         Name (SS2, Zero)
    -    Name (SS3, Zero)
    +    Name (SS3, One)
         Name (SS4, One)
         OperationRegion (GNVS, SystemMemory, 0x45AB8018, 0x0A9B)
         Field (GNVS, AnyAcc, Lock, Preserve)

See Power management/Suspend and hibernate#Changing suspend method for more details on the general context.

### Battery conservation mode

See Laptop/Lenovo#Battery conservation mode.

## Function keys

Key | Visible?1 | Marked?2 | Effect
--- | --- | --- | ---
`Fn+Esc` | No | Yes | Enables Fn lock
`F1` | Yes | Yes | `XF86AudioMute`
`F2` | Yes | Yes | `XF86AudioLowerVolume`
`F3` | Yes | Yes | `XF86AudioRaiseVolume`
`F4` | Yes | Yes | `XF86AudioMicMute`
`F5` | Yes | Yes | `XF86MonBrightnessDown`, see below
`F6` | Yes | Yes | `XF86MonBrightnessUp`, see below
`F7` | Yes | Yes | `Super+p`
`F8` | Yes3 | Yes | `XF86RFKill`, toggles soft-block Wi-Fi and bluetooth
`F9` | Yes | Yes | `Super+i`
`F10` | Yes | Yes | `Super+l`
`F11` | Yes | Yes | `Ctrl+Alt+Tab`
`F12` | Yes | Yes | `XF86Calculator`
`Ins` | No | Yes | Opens Lenovo Vantage on Windows, not usable on Linux
`Print` | Yes | Yes | `Mod+Shift+s`
`Fn+Space` | No | Yes | Change keyboard backlight level

1. The key is visible to `xev` and similar tools
2. The physical key has a symbol on it, which describes its function
3. systemd-logind handles this by default

### Brightness keys

The brightness hotkeys only emit signals after resuming from suspend-to-RAM or hibernation, but not after (re)booting. This is because they depend on initialization by an ACPI method which is called when resuming from a sleep state but not on boot.

This should be fixed in kernel 6.2.x: https://bugzilla.kernel.org/show_bug.cgi?id=214899

## Speaker audio

Install all the packages listed by Sound Open Firmware.

If your speakers sound tinny due to ALSA only using the tweeters, use the `snd-sof-intel-hda-common hda_model=alc287-yoga9-bass-spk-pin` kernel module parameter.

On more recent kernels (>=6.11.0 at least), use `snd-sof-intel-hda-generic hda_model=alc287-yoga9-bass-spk-pin` instead.

## Tablet PC

Install iio-sensor-proxy to get the accelerometer working and enable support for screen rotation in Destop Environments such as GNOME or KDE.

Check out Tablet PC for more information.

### GNOME Screen Rotation

See Tablet PC#With GNOME 2.

## Fingerprint reader

There is experimental support for the Goodix 55b4 fingerprint reader this laptop ships with. Thanks to the Goodix Fingerprint Discord.

Note If you are dual-booting, Windows will reflash the reader every time you boot Windows and then it will not work in Linux until you flash it again (but this does not clear enrolled fingerprints). So it's best to pick one OS to use the fingerprint reader in. You can disable the reader in Device Manager in Windows to prevent reflashing.

To get it working:

1. Install fprintd and libfprint-goodixtls-55x4AUR
2. Follow the instructions at https://github.com/goodix-fp-linux-dev/goodix-fp-dump#how-to-use-it to reflash the firmware of the fingerprint reader
3. Start the fprintd service for the first time and enroll fingerprints in your DE or following instructions in fprint

There is a known issue with this experimental driver where sometimes after a long sleep mode period you will need to restart the fprintd service to get it working again.

## Screen flickering

If you see screen flickering or stuttering, follow the instructions at Intel graphics#Screen flickering.

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Lenovo Yoga 7i
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