Message-ID: <A0BE9899-12F4-42E4-B022-50F75CEE5B9F@gmail.com>
Date: Tue, 18 Mar 2025 16:48:51 -1000
From: "Derek J. Clark" <derekjohn.clark@...il.com>
To: Hans de Goede <hdegoede@...hat.com>,
 Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
CC: Armin Wolf <W_Armin@....de>, Jonathan Corbet <corbet@....net>,
 Mario Limonciello <superm1@...nel.org>, Luke Jones <luke@...nes.dev>,
 Xino Ni <nijs1@...ovo.com>, Zhixin Zhang <zhangzx36@...ovo.com>,
 Mia Shao <shaohz1@...ovo.com>, Mark Pearson <mpearson-lenovo@...ebb.ca>,
 "Pierre-Loup A . Griffais" <pgriffais@...vesoftware.com>,
 "Cody T . -H . Chiu" <codyit@...il.com>, John Martens <johnfanv2@...il.com>,
 platform-driver-x86@...r.kernel.org, linux-doc@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/6 RESEND] platform/x86: Add lenovo-wmi-* driver Documentation



On March 17, 2025 4:43:21 AM HST, "Derek J. Clark" <derekjohn.clark@...il.com> wrote:
>Adds documentation for new lenovo-wmi drivers.
>
>Signed-off-by: Derek J. Clark <derekjohn.clark@...il.com>
>---
>v4:
> - Fixed MOF formatting issues.
> - Fixed spelling mistakes.
> - Updated description of balanced-performance profile for Gamezone.
> - Updated description of thermal mode event GUID for Gamezone.
>v3:
>- Split documentation into multiple files, one for each parent
>  driver for the Gamezone and Other Mode WMI interfaces.
>- Add MOF data for all parent and child interfaces.
>- Remove lenovo-wmi-camera.c driver from v2 documentation.
>v2:
>- Update description of Custom Profile to include the need to manually
>  set it.
>- Remove all references to Legion hardware.
>- Add section for lenovo-wmi-camera.c driver as it follows the same
>  naming convention.
>---
> .../wmi/devices/lenovo-wmi-gamezone.rst       | 203 ++++++++++++++++++
> .../wmi/devices/lenovo-wmi-other-method.rst   | 108 ++++++++++
> MAINTAINERS                                   |   7 +
> 3 files changed, 318 insertions(+)
> create mode 100644 Documentation/wmi/devices/lenovo-wmi-gamezone.rst
> create mode 100644 Documentation/wmi/devices/lenovo-wmi-other-method.rst
>
>diff --git a/Documentation/wmi/devices/lenovo-wmi-gamezone.rst b/Documentation/wmi/devices/lenovo-wmi-gamezone.rst
>new file mode 100644
>index 000000000000..bde63dde285d
>--- /dev/null
>+++ b/Documentation/wmi/devices/lenovo-wmi-gamezone.rst
>@@ -0,0 +1,203 @@
>+.. SPDX-License-Identifier: GPL-2.0-or-later
>+==========================================================
>+Lenovo WMI Interface Gamezone Driver (lenovo-wmi-gamezone)
>+==========================================================
>+
>+Introduction
>+============
>+The Lenovo WMI gamezone interface is broken up into multiple GUIDs,
>+The priamry "Gamezone" GUID provides advanced features such as fan
>+profiles and overclocking. It is paired with multiple event GUIDs
>+and data block GUIDs that provide context for the various methods.
>+
>+Gamezone Data
>+-------------
>+
>+WMI GUID "887B54E3-DDDC-4B2C-8B88-68A26A8835D0"
>+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>+
>+The Gamezone Data WMI interface provides platform-profile and fan curve
>+settings for devices that fall under the "Gaming Series" of Lenovo devices.
>+It uses a notifier chain to inform other Lenovo WMI interface drivers of the
>+current platform profile when it changes.
>+
>+The following platform profiles are supported:
>+ - low-power
>+ - balanced
>+ - balanced-performance*
>+ - performance
>+ - custom
>+
>+Balanced-Performance
>+~~~~~~~~~~~~~~~~~~~~
>+Some newer Lenovo "Gaming Series" laptops have an "Extreme Mode" profile
>+enabled in their BIOS. For these devices, the performance platform profile
>+will correspond to the BIOS Extreme Mode, while the balanced-performance
>+platform profile will correspond to the BIOS Performance mode. For legacy
>+devices, the performance platform profile will correspond with the BIOS
>+Performance mode. For some newer devices the "Extreme Mode" profile is
>+incomplete in the BIOS and setting it will cause undefined behavior. A
>+BIOS bug quirk table is provided to ensure these devices cannot set
>+"Extreme Mode" from the driver.
>+
>+Custom Profile
>+~~~~~~~~~~~~~~
>+The custom profile represents a hardware mode on Lenovo devices that enables
>+user modifications to Package Power Tracking (PPT) and fan curve settings.
>+When an attribute exposed by the Other Mode WMI interface is to be modified,
>+the Gamezone driver must first be switched to the "custom" profile manually,
>+or the setting will have no effect. If another profile is set from the list
>+of supported profiles, the BIOS will override any user PPT settings when
>+switching to that profile.
>+
>+Gamezone Thermal Mode Event
>+---------------------------
>+
>+WMI GUID "D320289E-8FEA-41E0-86F9-911D83151B5F"
>+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>+
>+The Gamezone Thermal Mode Event interface notifies the system when the platform
>+profile has changed, either through the hardware event (Fn+Q for laptops or
>+Legion + Y for Go Series), or through the Gamezone WMI interface. This event is
>+implemented in the Lenovo WMI Events driver (lenovo-wmi-events).
>+
>+
>+WMI interface description
>+=========================
>+
>+The WMI interface description can be decoded from the embedded binary MOF (bmof)
>+data using the `bmfdec <https://github.com/pali/bmfdec>`_ utility:
>+
>+::
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO_GAMEZONE_DATA class"), guid("{887B54E3-DDDC-4B2C-8B88-68A26A8835D0}")]
>+  class LENOVO_GAMEZONE_DATA {
>+  	[key, read] string InstanceName;
>+  	[read] boolean Active;

When applying as a backport with git am I found I missed two spaces before the above lines. Will fix for next version.

- Derek

>+    [WmiMethodId(4), Implemented, Description("Is SupportGpu OverClock")] void IsSupportGpuOC([out, Description("Is SupportGpu OverClock")] uint32 Data);
>+    [WmiMethodId(11), Implemented, Description("Get AslCode Version")] void GetVersion ([out, Description("AslCode version")] UINT32 Data);
>+    [WmiMethodId(12), Implemented, Description("Fan cooling capability")] void IsSupportFanCooling([out, Description("Fan cooling capability")] UINT32 Data);
>+    [WmiMethodId(13), Implemented, Description("Set Fan cooling on/off")] void SetFanCooling ([in, Description("Set Fan cooling on/off")] UINT32 Data);
>+    [WmiMethodId(14), Implemented, Description("cpu oc capability")] void IsSupportCpuOC ([out, Description("cpu oc capability")] UINT32 Data);
>+    [WmiMethodId(15), Implemented, Description("bios has overclock capability")] void IsBIOSSupportOC ([out, Description("bios has overclock capability")] UINT32 Data);
>+    [WmiMethodId(16), Implemented, Description("enable or disable overclock in bios")] void SetBIOSOC ([in, Description("enable or disable overclock in bios")] UINT32 Data);
>+    [WmiMethodId(18), Implemented, Description("Get CPU temperature")] void GetCPUTemp ([out, Description("Get CPU temperature")] UINT32 Data);
>+    [WmiMethodId(19), Implemented, Description("Get GPU temperature")] void GetGPUTemp ([out, Description("Get GPU temperature")] UINT32 Data);
>+    [WmiMethodId(20), Implemented, Description("Get Fan cooling on/off status")] void GetFanCoolingStatus ([out, Description("Get Fan cooling on/off status")] UINT32 Data);
>+    [WmiMethodId(21), Implemented, Description("EC support disable windows key capability")] void IsSupportDisableWinKey ([out, Description("EC support disable windows key capability")] UINT32 Data);
>+    [WmiMethodId(22), Implemented, Description("Set windows key disable/enable")] void SetWinKeyStatus ([in, Description("Set windows key disable/enable")] UINT32 Data);
>+    [WmiMethodId(23), Implemented, Description("Get windows key disable/enable status")] void GetWinKeyStatus ([out, Description("Get windows key disable/enable status")] UINT32 Data);
>+    [WmiMethodId(24), Implemented, Description("EC support disable touchpad capability")] void IsSupportDisableTP ([out, Description("EC support disable touchpad capability")] UINT32 Data);
>+    [WmiMethodId(25), Implemented, Description("Set touchpad disable/enable")] void SetTPStatus ([in, Description("Set touchpad disable/enable")] UINT32 Data);
>+    [WmiMethodId(26), Implemented, Description("Get touchpad disable/enable status")] void GetTPStatus ([out, Description("Get touchpad disable/enable status")] UINT32 Data);
>+    [WmiMethodId(30), Implemented, Description("Get Keyboard feature list")] void GetKeyboardfeaturelist ([out, Description("Get Keyboard feature list")] UINT32 Data);
>+    [WmiMethodId(31), Implemented, Description("Get Memory OC Information")] void GetMemoryOCInfo ([out, Description("Get Memory OC Information")] UINT32 Data);
>+    [WmiMethodId(32), Implemented, Description("Water Cooling feature capability")] void IsSupportWaterCooling ([out, Description("Water Cooling feature capability")] UINT32 Data);
>+    [WmiMethodId(33), Implemented, Description("Set Water Cooling status")] void SetWaterCoolingStatus ([in, Description("Set Water Cooling status")] UINT32 Data);
>+    [WmiMethodId(34), Implemented, Description("Get Water Cooling status")] void GetWaterCoolingStatus ([out, Description("Get Water Cooling status")] UINT32 Data);
>+    [WmiMethodId(35), Implemented, Description("Lighting feature capability")] void IsSupportLightingFeature ([out, Description("Lighting feature capability")] UINT32 Data);
>+    [WmiMethodId(36), Implemented, Description("Set keyboard light off or on to max")] void SetKeyboardLight ([in, Description("keyboard light off or on switch")] UINT32 Data);
>+    [WmiMethodId(37), Implemented, Description("Get keyboard light on/off status")] void GetKeyboardLight ([out, Description("Get keyboard light on/off status")] UINT32 Data);
>+    [WmiMethodId(38), Implemented, Description("Get Macrokey scan code")] void GetMacrokeyScancode ([in, Description("Macrokey index")] UINT32 idx, [out, Description("Scan code")] UINT32 scancode);
>+    [WmiMethodId(39), Implemented, Description("Get Macrokey count")] void GetMacrokeyCount ([out, Description("Macrokey count")] UINT32 Data);
>+    [WmiMethodId(40), Implemented, Description("Support G-Sync feature")] void IsSupportGSync ([out, Description("Support G-Sync feature")] UINT32 Data);
>+    [WmiMethodId(41), Implemented, Description("Get G-Sync Status")] void GetGSyncStatus ([out, Description("Get G-Sync Status")] UINT32 Data);
>+    [WmiMethodId(42), Implemented, Description("Set G-Sync Status")] void SetGSyncStatus ([in, Description("Set G-Sync Status")] UINT32 Data);
>+    [WmiMethodId(43), Implemented, Description("Support Smart Fan feature")] void IsSupportSmartFan ([out, Description("Support Smart Fan feature")] UINT32 Data);
>+    [WmiMethodId(44), Implemented, Description("Set Smart Fan Mode")] void SetSmartFanMode ([in, Description("Set Smart Fan Mode")] UINT32 Data);
>+    [WmiMethodId(45), Implemented, Description("Get Smart Fan Mode")] void GetSmartFanMode ([out, Description("Get Smart Fan Mode")] UINT32 Data);
>+    [WmiMethodId(46), Implemented, Description("Get Smart Fan Setting Mode")] void GetSmartFanSetting ([out, Description("Get Smart Setting Mode")] UINT32 Data);
>+    [WmiMethodId(47), Implemented, Description("Get Power Charge Mode")] void GetPowerChargeMode ([out, Description("Get Power Charge Mode")] UINT32 Data);
>+    [WmiMethodId(48), Implemented, Description("Get Gaming Product Info")] void GetProductInfo ([out, Description("Get Gaming Product Info")] UINT32 Data);
>+    [WmiMethodId(49), Implemented, Description("Over Drive feature capability")] void IsSupportOD ([out, Description("Over Drive feature capability")] UINT32 Data);
>+    [WmiMethodId(50), Implemented, Description("Get Over Drive status")] void GetODStatus ([out, Description("Get Over Drive status")] UINT32 Data);
>+    [WmiMethodId(51), Implemented, Description("Set Over Drive status")] void SetODStatus ([in, Description("Set Over Drive status")] UINT32 Data);
>+    [WmiMethodId(52), Implemented, Description("Set Light Control Owner")] void SetLightControlOwner ([in, Description("Set Light Control Owner")] UINT32 Data);
>+    [WmiMethodId(53), Implemented, Description("Set DDS Control Owner")] void SetDDSControlOwner ([in, Description("Set DDS Control Owner")] UINT32 Data);
>+    [WmiMethodId(54), Implemented, Description("Get the flag of restore OC value")] void IsRestoreOCValue ([in, Description("Clean this flag")] UINT32 idx, [out, Description("Restore oc value flag")] UINT32 Data);
>+    [WmiMethodId(55), Implemented, Description("Get Real Thremal Mode")] void GetThermalMode ([out, Description("Real Thremal Mode")] UINT32 Data);
>+    [WmiMethodId(56), Implemented, Description("Get the OC switch status in BIOS")] void GetBIOSOCMode ([out, Description("OC Mode")] UINT32 Data);
>+    [WmiMethodId(59), Implemented, Description("Get hardware info support version")] void GetHardwareInfoSupportVersion ([out, Description("version")] UINT32 Data);
>+    [WmiMethodId(60), Implemented, Description("Get Cpu core 0 max frequency")] void GetCpuFrequency ([out, Description("frequency")] UINT32 Data);
>+    [WmiMethodId(62), Implemented, Description("Check the Adapter type fit for OC")] void IsACFitForOC ([out, Description("AC check result")] UINT32 Data);
>+    [WmiMethodId(63), Implemented, Description("Is support IGPU mode")] void IsSupportIGPUMode ([out, Description("IGPU modes")] UINT32 Data);
>+    [WmiMethodId(64), Implemented, Description("Get IGPU Mode Status")] void GetIGPUModeStatus([out, Description("IGPU Mode Status")] UINT32 Data);
>+    [WmiMethodId(65), Implemented, Description("Set IGPU Mode")] void SetIGPUModeStatus([in, Description("IGPU Mode")] UINT32 mode, [out, Description("return code")] UINT32 Data);
>+    [WmiMethodId(66), Implemented, Description("Notify DGPU Status")] void NotifyDGPUStatus([in, Description("DGPU status")] UINT32 status, [out, Description("return code")] UINT32 Data);
>+    [WmiMethodId(67), Implemented, Description("Is changed Y log")] void IsChangedYLog([out, Description("Is changed Y Log")] UINT32 Data);
>+    [WmiMethodId(68), Implemented, Description("Get DGPU Hardwawre ID")] void GetDGPUHWId([out, Description("Get DGPU Hardware ID")] string Data);
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Definition of CPU OC parameter list"), guid("{B7F3CA0A-ACDC-42D2-9217-77C6C628FBD2}")]
>+  class LENOVO_GAMEZONE_CPU_OC_DATA {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description("OC tune id.")] uint32 Tuneid;
>+    [WmiDataId(2), read, Description("Default value.")] uint32 DefaultValue;
>+    [WmiDataId(3), read, Description("OC Value.")] uint32 OCValue;
>+    [WmiDataId(4), read, Description("Min Value.")] uint32 MinValue;
>+    [WmiDataId(5), read, Description("Max Value.")] uint32 MaxValue;
>+    [WmiDataId(6), read, Description("Scale Value.")] uint32 ScaleValue;
>+    [WmiDataId(7), read, Description("OC Order id.")] uint32 OCOrderid;
>+    [WmiDataId(8), read, Description("NON-OC Order id.")] uint32 NOCOrderid;
>+    [WmiDataId(9), read, Description("Delay time in ms.")] uint32 Interval;
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Definition of GPU OC parameter list"), guid("{887B54E2-DDDC-4B2C-8B88-68A26A8835D0}")]
>+  class LENOVO_GAMEZONE_GPU_OC_DATA {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description("P-State ID.")] uint32 PStateID;
>+    [WmiDataId(2), read, Description("CLOCK ID.")] uint32 ClockID;
>+    [WmiDataId(3), read, Description("Default value.")] uint32 defaultvalue;
>+    [WmiDataId(4), read, Description("OC Offset freqency.")] uint32 OCOffsetFreq;
>+    [WmiDataId(5), read, Description("OC Min offset value.")] uint32 OCMinOffset;
>+    [WmiDataId(6), read, Description("OC Max offset value.")] uint32 OCMaxOffset;
>+    [WmiDataId(7), read, Description("OC Offset Scale.")] uint32 OCOffsetScale;
>+    [WmiDataId(8), read, Description("OC Order id.")] uint32 OCOrderid;
>+    [WmiDataId(9), read, Description("NON-OC Order id.")] uint32 NOCOrderid;
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Fancooling finish event"), guid("{BC72A435-E8C1-4275-B3E2-D8B8074ABA59}")]
>+  class LENOVO_GAMEZONE_FAN_COOLING_EVENT: WMIEvent {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description("Fancooling clean finish event")] uint32 EventId;
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Smart Fan mode change event"), guid("{D320289E-8FEA-41E0-86F9-611D83151B5F}")]
>+  class LENOVO_GAMEZONE_SMART_FAN_MODE_EVENT: WMIEvent {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description("Smart Fan Mode change event")] uint32 mode;
>+    [WmiDataId(2), read, Description("version of FN+Q")] uint32 version;
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Smart Fan setting mode change event"), guid("{D320289E-8FEA-41E1-86F9-611D83151B5F}")]
>+  class LENOVO_GAMEZONE_SMART_FAN_SETTING_EVENT: WMIEvent {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description("Smart Fan Setting mode change event")] uint32 mode;
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("POWER CHARGE MODE Change EVENT"), guid("{D320289E-8FEA-41E0-86F9-711D83151B5F}")]
>+  class LENOVO_GAMEZONE_POWER_CHARGE_MODE_EVENT: WMIEvent {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description("POWER CHARGE MODE Change EVENT")] uint32 mode;
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Thermal Mode Real Mode change event"), guid("{D320289E-8FEA-41E0-86F9-911D83151B5F}")]
>+  class LENOVO_GAMEZONE_THERMAL_MODE_EVENT: WMIEvent {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description("Thermal Mode Real Mode")] uint32 mode;
>+  };
>diff --git a/Documentation/wmi/devices/lenovo-wmi-other-method.rst b/Documentation/wmi/devices/lenovo-wmi-other-method.rst
>new file mode 100644
>index 000000000000..b48832726311
>--- /dev/null
>+++ b/Documentation/wmi/devices/lenovo-wmi-other-method.rst
>@@ -0,0 +1,108 @@
>+.. SPDX-License-Identifier: GPL-2.0-or-later
>+===========================================================
>+Lenovo WMI Interface Other Mode Driver (lenovo-wmi-other)
>+===========================================================
>+
>+Introduction
>+============
>+Lenovo WMI Other Mode interface is broken up into multiple GUIDs,
>+The primary Other Mode interface provides advanced power tuning features
>+such as Package Power Tracking (PPT). It is paired with multiple data block
>+GUIDs that provide context for the various methods.
>+
>+
>+Other Mode
>+----------
>+
>+WMI GUID "DC2A8805-3A8C-41BA-A6F7-092E0089CD3B"
>+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>+
>+The Other Mode WMI interface uses the firmware_attributes class to expose
>+various WMI attributes provided by the interface in the sysfs. This enables
>+CPU and GPU power limit tuning as well as various other attributes for
>+devices that fall under the "Gaming Series" of Lenovo devices. Each
>+attribute exposed by the Other Mode interface has corresponding
>+capability data blocks which allow the driver to probe details about the
>+attribute. Each attribute has multiple pages, one for each of the platform
>+profiles managed by the Gamezone interface. Attributes are exposed in sysfs
>+under the following path:
>+
>+::
>+/sys/class/firmware-attributes/lenovo-wmi-other/attributes/<attribute>/
>+
>+LENOVO_CAPABILITY_DATA_01
>+-------------------------
>+
>+WMI GUID "7A8F5407-CB67-4D6E-B547-39B3BE018154"
>+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>+
>+The LENOVO_CAPABILITY_DATA_01 interface provides information on various
>+power limits of integrated CPU and GPU components.
>+
>+Each attribute has the following properties:
>+ - current_value
>+ - default_value
>+ - display_name
>+ - max_value
>+ - min_value
>+ - scalar_increment
>+ - type
>+
>+The following attributes are implemented:
>+ - ppt_pl1_spl: Platform Profile Tracking Sustained Power Limit
>+ - ppt_pl2_sppt: Platform Profile Tracking Slow Package Power Tracking
>+ - ppt_pl3_fppt: Platform Profile Tracking Fast Package Power Tracking
>+
>+
>+WMI interface description
>+=========================
>+
>+The WMI interface description can be decoded from the embedded binary MOF (bmof)
>+data using the `bmfdec <https://github.com/pali/bmfdec>`_ utility:
>+
>+::
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO_OTHER_METHOD class"), guid("{dc2a8805-3a8c-41ba-a6f7-092e0089cd3b}")]
>+  class LENOVO_OTHER_METHOD {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiMethodId(17), Implemented, Description("Get Feature Value ")] void GetFeatureValue([in] uint32 IDs, [out] uint32 value);
>+    [WmiMethodId(18), Implemented, Description("Set Feature Value ")] void SetFeatureValue([in] uint32 IDs, [in] uint32 value);
>+    [WmiMethodId(19), Implemented, Description("Get Data By Command ")] void GetDataByCommand([in] uint32 IDs, [in] uint32 Command, [out] uint32 DataSize, [out, WmiSizeIs("DataSize")] uint32 Data[]);
>+    [WmiMethodId(99), Implemented, Description("Get Data By Package for TAC")] void GetDataByPackage([in, Max(40)] uint8 Input[], [out] uint32 DataSize, [out, WmiSizeIs("DataSize")] uint8 Data[]);
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO CAPABILITY DATA 00"), guid("{362a3afe-3d96-4665-8530-96dad5bb300e}")]
>+  class LENOVO_CAPABILITY_DATA_00 {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description(" IDs.")] uint32 IDs;
>+    [WmiDataId(2), read, Description("Capability.")] uint32 Capability;
>+    [WmiDataId(3), read, Description("Capability Default Value.")] uint32 DefaultValue;
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO CAPABILITY DATA 01"), guid("{7a8f5407-cb67-4d6e-b547-39b3be018154}")]
>+  class LENOVO_CAPABILITY_DATA_01 {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description(" IDs.")] uint32 IDs;
>+    [WmiDataId(2), read, Description("Capability.")] uint32 Capability;
>+    [WmiDataId(3), read, Description("Default Value.")] uint32 DefaultValue;
>+    [WmiDataId(4), read, Description("Step.")] uint32 Step;
>+    [WmiDataId(5), read, Description("Minimum Value.")] uint32 MinValue;
>+    [WmiDataId(6), read, Description("Maximum Value.")] uint32 MaxValue;
>+  };
>+
>+  [WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO CAPABILITY DATA 02"), guid("{bbf1f790-6c2f-422b-bc8c-4e7369c7f6ab}")]
>+  class LENOVO_CAPABILITY_DATA_02 {
>+    [key, read] string InstanceName;
>+    [read] boolean Active;
>+
>+    [WmiDataId(1), read, Description(" IDs.")] uint32 IDs;
>+    [WmiDataId(2), read, Description("Capability.")] uint32 Capability;
>+    [WmiDataId(3), read, Description("Data Size.")] uint32 DataSize;
>+    [WmiDataId(4), read, Description("Default Value"), WmiSizeIs("DataSize")] uint8 DefaultValue[];
>+  };
>diff --git a/MAINTAINERS b/MAINTAINERS
>index 1afd30d00aec..675f4b26426d 100644
>--- a/MAINTAINERS
>+++ b/MAINTAINERS
>@@ -13158,6 +13158,13 @@ S:	Maintained
> W:	http://legousb.sourceforge.net/
> F:	drivers/usb/misc/legousbtower.c
> 
>+LENOVO WMI DRIVERS
>+M:	Derek J. Clark <derekjohn.clark@...il.com>
>+L:	platform-driver-x86@...r.kernel.org
>+S:	Maintained
>+F:	Documentation/wmi/devices/lenovo-wmi-gamezone.rst
>+F:	Documentation/wmi/devices/lenovo-wmi-other.rst
>+
> LENOVO WMI HOTKEY UTILITIES DRIVER
> M:	Jackie Dong <xy-jackie@....com>
> L:	platform-driver-x86@...r.kernel.org

- Derek

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