; Microsoft Bluetooth Hfp Driver Inf that installs BthHfAud driver and copies drivers common for both roles ; Copyright (c) Microsoft Corporation. All rights reserved. [Version] Signature="$Windows NT$" Class=MEDIA Provider=%Microsoft% ClassGUID={4d36e96c-e325-11ce-bfc1-08002be10318} PnpLockdown = 1 DriverVer = 04/27/2026,10.0.26100.8328 [SourceDisksNames] 3426=windows cd [SourceDisksFiles] BthHfAud.sys = 3426 BthHfEnum.sys = 3426 [DestinationDirs] Common_BthHfAud_Install.CopyFiles = 12 ;DIRID_DRIVERS Common_BthHfEnum_Install.CopyFiles = 12 ;DIRID_DRIVERS [SignatureAttributes] BthHfAud.sys=SignatureAttributes.DRM BthHfEnum.sys=SignatureAttributes.DRM [SignatureAttributes.DRM] DRMLevel=1300 [Manufacturer] %Microsoft%=Microsoft, NTamd64 [Microsoft.NTamd64] ;HS/HF on BthHfEnum %HfAudInstallation%=Common_BthHfAud_Install, BTHHFENUM\BthHFPAudio ; SCO over HCI (in-band) handsfree audio device %HfEnumInstallation%=Common_BthHfEnum_Install [Common_BthHfAud_Install] Include = ks.inf, wdmaudio.inf, BtaMpm.inf Needs = KS.Registration, WDMAUDIO.Registration, BtaMPM.CopyFilesOnly, MsApoFxProxy.Registration CopyFiles=Common_BthHfAud_Install.CopyFiles [Common_BthHfAud_Install.CopyFiles] BthHfAud.sys,,,0x100 [Common_BthHfAud_Install.Services] AddService=BthHFAud, 0x00000002, Common_BthHfAud_Install.ServiceInstall [Common_BthHfAud_Install.ServiceInstall] DisplayName=%BTHHFAUD_DISPLAY_NAME% ServiceType=%SERVICE_KERNEL_DRIVER% StartType=%SERVICE_DEMAND_START% ErrorControl=%SERVICE_ERROR_IGNORE% ServiceBinary=%12%\BthHfAud.sys [Common_BthHfAud_Install.Interfaces] AddInterface=%KSCATEGORY_AUDIO%, %BTHAUDIOHF_FILTER_REF_GUID_WAVE%, Common_BthHfAud_Install.AnlgACapture.Wave [Common_BthHfAud_Install.AnlgACapture.Wave] AddReg=Common_BthHfAud_Install.AnlgACapture.AddReg.Wave,Common_BthHfAud_Install.EPProperties.AddReg [Common_BthHfAud_Install.AnlgACapture.AddReg.Wave] HKR,"MSFX\\0",%PKEY_FX_Association%,,%KSNODETYPE_ANY% HKR,"MSFX\\0",%PKEY_FX_EndpointEffectClsid%,,%FX_DISCOVER_EFFECTS_APO_CLSID% [Common_BthHfAud_Install.EPProperties.AddReg] ;// EP Properties ;// ;// support (opt-in) to event driven mode ;// ;; Note: MSEP\\n is reserved for Microsoft inbox inf use ONLY. ;; To avoid undeterminitic result, 3rd party driver INF should use EP\\n instead. HKR,"MSEP\\0",%PKEY_AudioEndpoint_Association%,,%KSNODETYPE_ANY% HKR,"MSEP\\0",%PKEY_AudioEndpoint_Supports_EventDriven_Mode%,%FLG_ADDREG_TYPE_DWORD%,0x1 [Common_BthHfEnum_Install] CopyFiles=Common_BthHfEnum_Install.CopyFiles [Common_BthHfEnum_Install.HW] AddReg=Common_BthHfEnum_Install.AddReg [Common_BthHfEnum_Install.CopyFiles] BthHfEnum.sys,,,0x100 [Common_BthHfEnum_Install.AddReg] HKR,,DeviceCharacteristics,0x10001,0x0100 ; Use same security checks on relative opens ; Allow generic-all access to built-in administrators and local system, generic rwx access for local service, generic rwx for BTAGService HKR,,Security,,"D:P(A;;GA;;;BA)(A;;GA;;;SY)(A;;GRGWGX;;;LS)(A;;GRGWGX;;;S-1-5-80-3316959809-2577409367-488518535-1805171532-1438653141)" [Common_BthHfEnum_Install.Services] AddService = BthHFEnum,0x00000002, Common_BthHfEnum_Install.ServiceInstall [Common_BthHfEnum_Install.ServiceInstall] DisplayName = %BTHHFENUM_DISPLAY_NAME% ServiceType = %SERVICE_KERNEL_DRIVER% StartType = %SERVICE_DEMAND_START% ErrorControl = %SERVICE_ERROR_NORMAL% ServiceBinary = %12%\bthhfenum.sys LoadOrderGroup = Extended Base [Strings] ;Non-Localizable Microsoft = "Microsoft" ;General ;localizable HfAudInstallation = "Microsoft Bluetooth Hands-Free Audio device" ; {Placeholder="Microsoft Bluetooth"} HfEnumInstallation = "Microsoft Bluetooth Hands-Free Profile device" ; {Placeholder="Microsoft Bluetooth"} BTHHFAUD_DISPLAY_NAME = "Microsoft Bluetooth Hands-Free Audio driver" ; {Placeholder="Microsoft Bluetooth"} BTHHFENUM_DISPLAY_NAME = "Microsoft Bluetooth Hands-Free Profile driver" ; {Placeholder="Microsoft Bluetooth"} ; Filter GUIDs ; ;Non-Localizable BTHAUDIOHF_FILTER_REF_GUID_WAVE = "Wave" ; system defines ; SERVICE_BOOT_START = 0x0 SERVICE_SYSTEM_START = 0x1 SERVICE_AUTO_START = 0x2 SERVICE_DEMAND_START = 0x3 SERVICE_DISABLED = 0x4 SERVICE_KERNEL_DRIVER = 0x1 SERVICE_ERROR_IGNORE = 0x0 SERVICE_ERROR_NORMAL = 0x1 SERVICE_ERROR_SEVERE = 0x2 SERVICE_ERROR_CRITICAL = 0x3 FLG_REGSVR_DLLREGISTER = 0x00000001 ;Non-Localizable PKEY_AudioEndpoint_Association = "{1DA5D803-D492-4EDD-8C23-E0C0FFEE7F0E},2" PKEY_AudioEndpoint_Supports_EventDriven_Mode = "{1DA5D803-D492-4EDD-8C23-E0C0FFEE7F0E},7" ;Information for FX PropertyKeys ;Non-localizable PKEY_FX_Association = "{D04E05A6-594B-4fb6-A80D-01AF5EED7D1D},0" PKEY_FX_ModeEffectClsid = "{D04E05A6-594B-4fb6-A80D-01AF5EED7D1D},6" PKEY_FX_EndpointEffectClsid = "{D04E05A6-594B-4fb6-A80D-01AF5EED7D1D},7" ; Proxy GUIDs ;Non-Localizable FX_DISCOVER_EFFECTS_APO_CLSID = "{889C03C8-ABAD-4004-BF0A-BC7BB825E166}" KSNODETYPE_ANY = "{00000000-0000-0000-0000-000000000000}" KSCATEGORY_AUDIO = "{6994AD04-93EF-11D0-A3CC-00A0C9223196}" ; Registry Flags ; Non-Localizable FLG_ADDREG_TYPE_DWORD = 0x00010001 FLG_ADDREG_TYPE_SZ = 0x00000000 FLG_ADDREG_TYPE_MULTI_SZ = 0x00010000 FLG_ADDREG_BINVALUETYPE = 0x00000001