From 4f6af40fc9700538c61010df7273c0bf89fcb886 Mon Sep 17 00:00:00 2001
From: Johannes Anderwald <johannes.anderwald@reactos.org>
Date: Sat, 7 Mar 2015 17:33:13 +0000
Subject: [PATCH] [MMSYS] - install software bus pnp enumerator when an audio
 device is installed

svn path=/trunk/; revision=66599
---
 reactos/dll/cpl/mmsys/mmsys.c | 96 +++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)

diff --git a/reactos/dll/cpl/mmsys/mmsys.c b/reactos/dll/cpl/mmsys/mmsys.c
index b0c56de366d..be7325fa5b2 100644
--- a/reactos/dll/cpl/mmsys/mmsys.c
+++ b/reactos/dll/cpl/mmsys/mmsys.c
@@ -15,6 +15,7 @@
 #include <shlwapi.h>
 #include <debug.h>
 
+#include <newdev.h>
 #include <initguid.h>
 #include <devguid.h>
 
@@ -87,6 +88,14 @@ DeviceCreateHardwarePageEx(HWND hWndParent,
                            UINT uNumberOfGuids,
                            HWPAGE_DISPLAYMODE DisplayMode);
 
+typedef BOOL (WINAPI *UpdateDriverForPlugAndPlayDevicesProto)(IN OPTIONAL HWND hwndParent,
+                                                              IN LPCTSTR HardwareId,
+                                                              IN LPCTSTR FullInfPath,
+                                                              IN DWORD InstallFlags,
+                                                              OUT OPTIONAL PBOOL bRebootRequired
+                                                         );
+
+#define UPDATEDRIVERFORPLUGANDPLAYDEVICES "UpdateDriverForPlugAndPlayDevicesW"
 #define NUM_APPLETS    (1)
 
 
@@ -328,6 +337,80 @@ InstallSystemSoundScheme()
     RegCloseKey(hKey);
 }
 
+DWORD
+InstallSoftwareBusPnpEnumerator(LPWSTR InfPath, LPCWSTR HardwareIdList)
+{
+    HDEVINFO DeviceInfoSet = INVALID_HANDLE_VALUE;
+    SP_DEVINFO_DATA DeviceInfoData;
+    GUID ClassGUID;
+    TCHAR ClassName[50];
+    int Result = 0;
+    HMODULE hModule = NULL;
+    UpdateDriverForPlugAndPlayDevicesProto UpdateProc;
+    BOOL reboot = FALSE;
+    DWORD flags = 0;
+
+    if (!SetupDiGetINFClass(InfPath,&ClassGUID,ClassName,sizeof(ClassName)/sizeof(ClassName[0]),0))
+    {
+        return -1;
+    }
+
+    DeviceInfoSet = SetupDiCreateDeviceInfoList(&ClassGUID,0);
+    if(DeviceInfoSet == INVALID_HANDLE_VALUE)
+    {
+        return -1;
+    }
+
+    DeviceInfoData.cbSize = sizeof(SP_DEVINFO_DATA);
+    if (!SetupDiCreateDeviceInfo(DeviceInfoSet, ClassName, &ClassGUID, NULL, 0, DICD_GENERATE_ID, &DeviceInfoData))
+    {
+        SetupDiDestroyDeviceInfoList(DeviceInfoSet);
+        return -1;
+    }
+
+    if(!SetupDiSetDeviceRegistryProperty(DeviceInfoSet, &DeviceInfoData, SPDRP_HARDWAREID, (LPBYTE)HardwareIdList, (lstrlen(HardwareIdList)+1+1)*sizeof(TCHAR)))
+    {
+        SetupDiDestroyDeviceInfoList(DeviceInfoSet);
+        return -1;
+    }
+
+    if (!SetupDiCallClassInstaller(DIF_REGISTERDEVICE, DeviceInfoSet, &DeviceInfoData))
+    {
+        SetupDiDestroyDeviceInfoList(DeviceInfoSet);
+        return -1;
+    }
+
+    if(GetFileAttributes(InfPath)==(DWORD)(-1)) {
+        SetupDiDestroyDeviceInfoList(DeviceInfoSet);
+        return -1;
+    }
+
+    flags |= INSTALLFLAG_FORCE;
+    hModule = LoadLibraryW(L"newdev.dll");
+    if(!hModule) {
+        SetupDiDestroyDeviceInfoList(DeviceInfoSet);
+        return -1;
+    }
+
+    UpdateProc = (UpdateDriverForPlugAndPlayDevicesProto)GetProcAddress(hModule,UPDATEDRIVERFORPLUGANDPLAYDEVICES);
+    if(!UpdateProc)
+    {
+        SetupDiDestroyDeviceInfoList(DeviceInfoSet);
+        FreeLibrary(hModule);
+        return -1;
+    }
+
+    if(!UpdateProc(NULL, HardwareIdList, InfPath, flags, &reboot))
+    {
+        SetupDiDestroyDeviceInfoList(DeviceInfoSet);
+        FreeLibrary(hModule);
+        return -1;
+    }
+
+    FreeLibrary(hModule);
+    SetupDiDestroyDeviceInfoList(DeviceInfoSet);
+    return Result;
+}
 
 DWORD
 MMSYS_InstallDevice(HDEVINFO hDevInfo, PSP_DEVINFO_DATA pspDevInfoData)
@@ -401,7 +484,20 @@ MMSYS_InstallDevice(HDEVINFO hDevInfo, PSP_DEVINFO_DATA pspDevInfoData)
     SetupTermDefaultQueueCallback(Context);
     SetupCloseInfFile(hInf);
 
+    Length = GetWindowsDirectoryW(szBuffer, MAX_PATH);
+    if (!Length || Length >= MAX_PATH - 14)
+    {
+        return ERROR_GEN_FAILURE;
+    }
 
+    pBuffer = PathAddBackslashW(szBuffer);
+    if (!pBuffer)
+    {
+        return ERROR_GEN_FAILURE;
+    }
+
+    wcscpy(pBuffer, L"inf\\machine.inf");
+    InstallSoftwareBusPnpEnumerator(szBuffer, L"ROOT\\SWENUM");
 
     hSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT);
     if (!hSCManager)