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# SPDX-License-Identifier: GPL-2.0-only
#
# Lenovo X86 Platform Specific Drivers
#
config IDEAPAD_LAPTOP
tristate "Lenovo IdeaPad Laptop Extras"
depends on ACPI
depends on ACPI_BATTERY
depends on RFKILL && INPUT
depends on SERIO_I8042
depends on BACKLIGHT_CLASS_DEVICE
depends on ACPI_VIDEO || ACPI_VIDEO = n
depends on ACPI_WMI || ACPI_WMI = n
select ACPI_PLATFORM_PROFILE
select INPUT_SPARSEKMAP
select NEW_LEDS
select LEDS_CLASS
help
This is a driver for Lenovo IdeaPad netbooks contains drivers for
rfkill switch, hotkey, fan control and backlight control.
config LENOVO_WMI_HOTKEY_UTILITIES
tristate "Lenovo Hotkey Utility WMI extras driver"
depends on ACPI_WMI
select NEW_LEDS
select LEDS_CLASS
imply IDEAPAD_LAPTOP
help
This driver provides WMI support for Lenovo customized hotkeys function,
such as LED control for audio/mic mute event for Ideapad, YOGA, XiaoXin,
Gaming, ThinkBook and so on.
config LENOVO_WMI_CAMERA
tristate "Lenovo WMI Camera Button driver"
depends on ACPI_WMI
depends on INPUT
help
This driver provides support for Lenovo camera button. The Camera
button is a GPIO device. This driver receives ACPI notifications when
the camera button is switched on/off.
To compile this driver as a module, choose M here: the module
will be called lenovo-wmi-camera.
config LENOVO_YMC
tristate "Lenovo Yoga Tablet Mode Control"
depends on ACPI_WMI
depends on INPUT
depends on IDEAPAD_LAPTOP
select INPUT_SPARSEKMAP
help
This driver maps the Tablet Mode Control switch to SW_TABLET_MODE input
events for Lenovo Yoga notebooks.
config THINKPAD_ACPI
tristate "ThinkPad ACPI Laptop Extras"
depends on ACPI_EC
depends on ACPI_BATTERY
depends on INPUT
depends on RFKILL || RFKILL = n
depends on ACPI_VIDEO || ACPI_VIDEO = n
depends on BACKLIGHT_CLASS_DEVICE
depends on I2C
depends on DRM
select ACPI_PLATFORM_PROFILE
select DRM_PRIVACY_SCREEN
select HWMON
select NVRAM
select NEW_LEDS
select LEDS_CLASS
select INPUT_SPARSEKMAP
help
This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
support for Fn-Fx key combinations, Bluetooth control, video
output switching, ThinkLight control, UltraBay eject and more.
For more information about this driver see
<file:Documentation/admin-guide/laptops/thinkpad-acpi.rst> and
<http://ibm-acpi.sf.net/> .
This driver was formerly known as ibm-acpi.
Extra functionality will be available if the rfkill (CONFIG_RFKILL)
and/or ALSA (CONFIG_SND) subsystems are available in the kernel.
Note that if you want ThinkPad-ACPI to be built-in instead of
modular, ALSA and rfkill will also have to be built-in.
If you have an IBM or Lenovo ThinkPad laptop, say Y or M here.
config THINKPAD_ACPI_ALSA_SUPPORT
bool "Console audio control ALSA interface"
depends on THINKPAD_ACPI
depends on SND
depends on SND = y || THINKPAD_ACPI = SND
default y
help
Enables monitoring of the built-in console audio output control
(headphone and speakers), which is operated by the mute and (in
some ThinkPad models) volume hotkeys.
If this option is enabled, ThinkPad-ACPI will export an ALSA card
with a single read-only mixer control, which should be used for
on-screen-display feedback purposes by the Desktop Environment.
Optionally, the driver will also allow software control (the
ALSA mixer will be made read-write). Please refer to the driver
documentation for details.
All IBM models have both volume and mute control. Newer Lenovo
models only have mute control (the volume hotkeys are just normal
keys and volume control is done through the main HDA mixer).
config THINKPAD_ACPI_DEBUGFACILITIES
bool "Maintainer debug facilities"
depends on THINKPAD_ACPI
help
Enables extra stuff in the thinkpad-acpi which is completely useless
for normal use. Read the driver source to find out what it does.
Say N here, unless you were told by a kernel maintainer to do
otherwise.
config THINKPAD_ACPI_DEBUG
bool "Verbose debug mode"
depends on THINKPAD_ACPI
help
Enables extra debugging information, at the expense of a slightly
increase in driver size.
If you are not sure, say N here.
config THINKPAD_ACPI_UNSAFE_LEDS
bool "Allow control of important LEDs (unsafe)"
depends on THINKPAD_ACPI
help
Overriding LED state on ThinkPads can mask important
firmware alerts (like critical battery condition), or misled
the user into damaging the hardware (undocking or ejecting
the bay while buses are still active), etc.
LED control on the ThinkPad is write-only (with very few
exceptions on very ancient models), which makes it
impossible to know beforehand if important information will
be lost when one changes LED state.
Users that know what they are doing can enable this option
and the driver will allow control of every LED, including
the ones on the dock stations.
Never enable this option on a distribution kernel.
Say N here, unless you are building a kernel for your own
use, and need to control the important firmware LEDs.
config THINKPAD_ACPI_VIDEO
bool "Video output control support"
depends on THINKPAD_ACPI
default y
help
Allows the thinkpad_acpi driver to provide an interface to control
the various video output ports.
This feature often won't work well, depending on ThinkPad model,
display state, video output devices in use, whether there is a X
server running, phase of the moon, and the current mood of
Schroedinger's cat. If you can use X.org's RandR to control
your ThinkPad's video output ports instead of this feature,
don't think twice: do it and say N here to save memory and avoid
bad interactions with X.org.
NOTE: access to this feature is limited to processes with the
CAP_SYS_ADMIN capability, to avoid local DoS issues in platforms
where it interacts badly with X.org.
If you are not sure, say Y here but do try to check if you could
be using X.org RandR instead.
config THINKPAD_ACPI_HOTKEY_POLL
bool "Support NVRAM polling for hot keys"
depends on THINKPAD_ACPI
default y
help
Some thinkpad models benefit from NVRAM polling to detect a few of
the hot key press events. If you know your ThinkPad model does not
need to do NVRAM polling to support any of the hot keys you use,
unselecting this option will save about 1kB of memory.
ThinkPads T40 and newer, R52 and newer, and X31 and newer are
unlikely to need NVRAM polling in their latest BIOS versions.
NVRAM polling can detect at most the following keys: ThinkPad/Access
IBM, Zoom, Switch Display (fn+F7), ThinkLight, Volume up/down/mute,
Brightness up/down, Display Expand (fn+F8), Hibernate (fn+F12).
If you are not sure, say Y here. The driver enables polling only if
it is strictly necessary to do so.
config THINKPAD_LMI
tristate "Lenovo WMI-based systems management driver"
depends on ACPI_WMI
depends on DMI
select FW_ATTR_CLASS
help
This driver allows changing BIOS settings on Lenovo machines whose
BIOS support the WMI interface.
To compile this driver as a module, choose M here: the module will
be called think-lmi.
config YOGABOOK
tristate "Lenovo Yoga Book tablet key driver"
depends on ACPI_WMI
depends on INPUT
depends on I2C
select LEDS_CLASS
select NEW_LEDS
help
Say Y here if you want to support the 'Pen' key and keyboard backlight
control on the Lenovo Yoga Book tablets.
To compile this driver as a module, choose M here: the module will
be called lenovo-yogabook.
config YT2_1380
tristate "Lenovo Yoga Tablet 2 1380 fast charge driver"
depends on SERIAL_DEV_BUS
depends on EXTCON
depends on ACPI
help
Say Y here to enable support for the custom fast charging protocol
found on the Lenovo Yoga Tablet 2 1380F / 1380L models.
To compile this driver as a module, choose M here: the module will
be called lenovo-yogabook.
config LENOVO_WMI_DATA01
tristate
depends on ACPI_WMI
config LENOVO_WMI_EVENTS
tristate
depends on ACPI_WMI
config LENOVO_WMI_HELPERS
tristate
depends on ACPI_WMI
config LENOVO_WMI_GAMEZONE
tristate "Lenovo GameZone WMI Driver"
depends on ACPI_WMI
depends on DMI
select ACPI_PLATFORM_PROFILE
select LENOVO_WMI_EVENTS
select LENOVO_WMI_HELPERS
select LENOVO_WMI_TUNING
help
Say Y here if you have a WMI aware Lenovo Legion device and would like to use the
platform-profile firmware interface to manage power usage.
To compile this driver as a module, choose M here: the module will
be called lenovo-wmi-gamezone.
config LENOVO_WMI_TUNING
tristate "Lenovo Other Mode WMI Driver"
depends on ACPI_WMI
select FW_ATTR_CLASS
select LENOVO_WMI_DATA01
select LENOVO_WMI_EVENTS
select LENOVO_WMI_HELPERS
help
Say Y here if you have a WMI aware Lenovo Legion device and would like to use the
firmware_attributes API to control various tunable settings typically exposed by
Lenovo software in Windows.
To compile this driver as a module, choose M here: the module will
be called lenovo-wmi-other.
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