Add IOCTL_VIDEO_QUERY_SUPPORTED_BRIGHTNESS, IOCTL_VIDEO_QUERY_DISPLAY_BRIGHTNESS and IOCTL_VIDEO_SET_DISPLAY_BRIGHTNESS control codes.

git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@3646 4407c894-4637-0410-b4f5-ada5f102cad1

mingw-w64-headers/include/ntddvdeo.h

diff --git a/mingw-w64-headers/include/ntddvdeo.h b/mingw-w64-headers/include/ntddvdeo.h
index c1d1c44..39b0399 100644
--- a/mingw-w64-headers/include/ntddvdeo.h
+++ b/mingw-w64-headers/include/ntddvdeo.h
@@ -182,7 +182,14 @@
 #define IOCTL_VIDEO_VALIDATE_CHILD_STATE_CONFIGURATION \
   CTL_CODE(FILE_DEVICE_VIDEO, 0x121, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
+#define IOCTL_VIDEO_QUERY_SUPPORTED_BRIGHTNESS \
+    CTL_CODE(FILE_DEVICE_VIDEO, 0x125, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
+#define IOCTL_VIDEO_QUERY_DISPLAY_BRIGHTNESS \
+    CTL_CODE(FILE_DEVICE_VIDEO, 0x126, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_VIDEO_SET_DISPLAY_BRIGHTNESS \
+    CTL_CODE(FILE_DEVICE_VIDEO, 0x127, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
 typedef struct _VIDEO_MEMORY {
   PVOID  RequestedVirtualAddress;