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Jiri Kosina
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Merge branch 'for-7.1/lenovo-v2' into for-linus
- new driver for Lenovo Legion Go / S devices (Derek J. Clark)
2 parents a3922c8 + 19acad7 commit 51cc1c4

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‎Documentation/ABI/testing/sysfs-driver-hid-lenovo-go‎

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‎Documentation/ABI/testing/sysfs-driver-hid-lenovo-go-s‎

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What: /sys/class/leds/go_s:rgb:joystick_rings/effect
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls the display effect of the RGB interface.
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Values are monocolor, breathe, chroma, or rainbow.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/class/leds/go_s:rgb:joystick_rings/effect_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the effect attribute.
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Values are monocolor, breathe, chroma, or rainbow.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/class/leds/go_s:rgb:joystick_rings/enabled
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls enabling or disabling the RGB interface.
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Values are true or false.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/class/leds/go_s:rgb:joystick_rings/enabled_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the enabled attribute.
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Values are true or false.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/class/leds/go_s:rgb:joystick_rings/mode
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls the operating mode of the RGB interface.
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Values are dynamic or custom. Custom allows setting the RGB effect and color.
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Dynamic is a Windows mode for syncing Lenovo RGB interfaces not currently
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supported under Linux.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/class/leds/go_s:rgb:joystick_rings/mode_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the mode attribute.
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Values are dynamic or custom.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/class/leds/go_s:rgb:joystick_rings/profile
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls selecting the configured RGB profile.
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Values are 1-3.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/class/leds/go_s:rgb:joystick_rings/profile_range
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the profile attribute.
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Values are 1-3.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/class/leds/go_s:rgb:joystick_rings/speed
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls the change rate for the breathe, chroma, and rainbow effects.
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Values are 0-100.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/class/leds/go_s:rgb:joystick_rings/speed_range
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the speed attribute.
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Values are 0-100.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/auto_sleep_time
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls the sleep timer due to inactivity for the built-in controller.
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Values are 0-255.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/auto_sleep_time_range
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the gamepad/auto_sleep_time attribute.
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Values are 0-255.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/dpad_mode
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls the operating mode of the built-in controllers D-pad.
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Values are 4-way or 8-way.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/dpad_mode_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the gamepad/dpad_mode attribute.
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Values are 4-way or 8-way.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/mode
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls the operating mode of the built-in controller.
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Values are xinput or dinput.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/mode_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the gamepad/mode attribute.
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Values are xinput or dinput.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/poll_rate
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls the poll rate in Hz of the built-in controller.
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Values are 125, 250, 500, or 1000.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/gamepad/poll_rate_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the gamepad/poll_rate attribute.
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Values are 125, 250, 500, or 1000.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/bypass_enabled
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls enabling or disabling the IMU bypass function. When enabled the IMU data is directly reported to the OS through
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an HIDRAW interface.
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Values are true or false.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/bypass_enabled_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the imu/bypass_enabled attribute.
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Values are true or false.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/manufacturer
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the manufacturer of the intertial measurment unit.
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Values are Bosch or ST.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/sensor_enabled
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls enabling or disabling the IMU.
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Values are true, false, or wake-2s.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/imu/sensor_enabled_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the imu/sensor_enabled attribute.
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Values are true, false, or wake-2s.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/mcu_id
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the MCU Identification Number
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/mouse/step
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls which value is used for the mouse sensitivity.
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Values are 1-127.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/mouse/step_range
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the mouse/step attribute.
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Values are 1-127.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/os_mode
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls which value is used for the touchpads operating mode.
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Values are windows or linux.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/os_mode_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the os_mode attribute.
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Values are windows or linux.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/enabled
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls enabling or disabling the built-in touchpad.
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Values are true or false.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/enabled_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the touchpad/enabled attribute.
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Values are true or false.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/linux_mode
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls behavior of the touchpad events when os_mode is set to linux.
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Values are absolute or relative.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/linux_mode_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the touchpad/linux_mode attribute.
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Values are absolute or relative.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/windows_mode
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This controls behavior of the touchpad events when os_mode is set to windows.
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Values are absolute or relative.
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Applies to Lenovo Legion Go S line of handheld devices.
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What: /sys/bus/usb/devices/<busnum>-<devnum>:<config num>.<interface num>/<hid-bus>:<vendor-id>:<product-id>.<num>/touchpad/windows_mode_index
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Date: April 2026
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Contact: linux-input@vger.kernel.org
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Description: This displays the available options for the touchpad/windows_mode attribute.
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Values are absolute or relative.
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Applies to Lenovo Legion Go S line of handheld devices.

‎MAINTAINERS‎

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@@ -14469,6 +14469,17 @@ L: platform-driver-x86@vger.kernel.org
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S: Maintained
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F: drivers/platform/x86/lenovo/wmi-hotkey-utilities.c
1447114471

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LENOVO HID drivers
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M: Derek J. Clark <derekjohn.clark@gmail.com>
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M: Mark Pearson <mpearson-lenovo@squebb.ca>
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L: linux-input@vger.kernel.org
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S: Maintained
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F: Documentation/ABI/testing/sysfs-driver-hid-lenovo-go
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F: Documentation/ABI/testing/sysfs-driver-hid-lenovo-go-s
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F: drivers/hid/hid-lenovo-go-s.c
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F: drivers/hid/hid-lenovo-go.c
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F: drivers/hid/hid-lenovo.c
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1447214483
LETSKETCH HID TABLET DRIVER
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M: Hans de Goede <hansg@kernel.org>
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L: linux-input@vger.kernel.org

‎drivers/hid/Kconfig‎

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config HID_LENOVO
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tristate "Lenovo / Thinkpad devices"
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select NEW_LEDS
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select LEDS_CLASS
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depends on LEDS_CLASS
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help
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Support for IBM/Lenovo devices that are not fully compliant with HID standard.
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@@ -614,6 +613,28 @@ config HID_LENOVO
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- ThinkPad Compact Bluetooth Keyboard with TrackPoint (supports Fn keys)
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- ThinkPad Compact USB Keyboard with TrackPoint (supports Fn keys)
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config HID_LENOVO_GO
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tristate "HID Driver for Lenovo Legion Go Series Controllers"
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depends on USB_HID
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depends on LEDS_CLASS_MULTICOLOR
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help
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Support for Lenovo Legion Go devices with detachable controllers.
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Say Y here to include configuration interface support for the Lenovo Legion Go
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and Legion Go 2 Handheld Console Controllers. Say M here to compile this
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driver as a module. The module will be called hid-lenovo-go.
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config HID_LENOVO_GO_S
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tristate "HID Driver for Lenovo Legion Go S Controller"
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depends on USB_HID
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depends on LEDS_CLASS_MULTICOLOR
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help
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Support for Lenovo Legion Go S Handheld Console Controller.
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Say Y here to include configuration interface support for the Lenovo Legion Go
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S. Say M here to compile this driver as a module. The module will be called
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hid-lenovo-go-s.
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config HID_LETSKETCH
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tristate "Letsketch WP9620N tablets"
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depends on USB_HID

‎drivers/hid/Makefile‎

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@@ -76,6 +76,8 @@ obj-$(CONFIG_HID_KYE) += hid-kye.o
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obj-$(CONFIG_HID_KYSONA) += hid-kysona.o
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obj-$(CONFIG_HID_LCPOWER) += hid-lcpower.o
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obj-$(CONFIG_HID_LENOVO) += hid-lenovo.o
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obj-$(CONFIG_HID_LENOVO_GO) += hid-lenovo-go.o
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obj-$(CONFIG_HID_LENOVO_GO_S) += hid-lenovo-go-s.o
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obj-$(CONFIG_HID_LETSKETCH) += hid-letsketch.o
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obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o
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obj-$(CONFIG_HID_LOGITECH) += hid-lg-g15.o

‎drivers/hid/hid-core.c‎

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if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
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hdev->bus, hdev->group, hdev->vendor, hdev->product))
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return -ENOMEM;
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if (hdev->firmware_version) {
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if (add_uevent_var(env, "HID_FIRMWARE_VERSION=0x%04llX",
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hdev->firmware_version))
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return -ENOMEM;
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}
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return 0;
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}

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