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# Lenovo ThinkPad X1 Yoga (Gen 1)

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Reason: Needs IDs in hardware table (Discuss in Talk:Lenovo ThinkPad X1 Yoga (Gen 1))

Hardware | PCI/USB ID | Working?
--- | --- | ---
Touchpad |  | Yes
TrackPoint |  | Yes
Keyboard |  | Yes
Video | `8086:1916` | Yes
Webcam | `04f2:b5c1` | Yes
Bluetooth | `8087:0a2b` | Yes
Wireless | `1199:9079` | Yes
Audio | `8086:9d70` | Yes
Active pen | `056a:5087` | Yes
Multitouch | `056a:5087` | Yes
SD card reader | `10EC:525a` | Yes
Fingerprint reader | `138a:0090` | Yes
Mobile broadband | `1199:9079` | Yes
Oled "backlight" |  | No

## Fingerprint reader

See Lenovo ThinkPad T460p#Fingerprint reader; the X1 Yoga gen 1 and the T460p share the same fingerprint reader.

## Brightness control on the OLED version

OLED screens do not have a built in backlight, since they have their own light. Thus, they are usually controlled by PWM. Currently, a very small amount of OLED screens are supported by the kernel, and unfortunately, as of Sept. 2021, the X1 Yoga gen 1 is not one of them. Currently, the workaround is, to use some color filter on your screen, like on xorg: `xrandr --brightness` .

## Function keys

Key | Visible?1 | Marked?2 | Effect
--- | --- | --- | ---
`Fn+Esc` | Yes | Yes | Enables Fn lock
`Fn+F1` | Yes | Yes | `XF86AudioMute`
`Fn+F2` | Yes | Yes | `XF86AudioLowerVolume`
`Fn+F3` | Yes | Yes | `XF86AudioRaiseVolume`
`Fn+F4` | Yes | Yes | `XF86AudioMicMute`
`Fn+F5` | Yes | Yes | `XF86MonBrightnessDown`
`Fn+F6` | Yes | Yes | `XF86MonBrightnessUp`
`Fn+F7` | Yes | Yes | `XF86Display`
`Fn+F8` | Yes | Yes | `XF86WLAN`, will hard-block wifi. Press again to disable
`Fn+F9` | Yes | Yes | `XF86Tools`
`Fn+F10` | Yes | Yes | `XF86Search`
`Fn+F11` | Yes | Yes | `XF86LaunchA`
`Fn+F12` | Yes | Yes | `XF86Explorer`
`Fn+Space` | No | Yes | Enables/disables keyboard backlight

1. The key is visible to `xev` and similar tools
2. The physical key has a symbol on it, which describes its function

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