diff --git a/dix/getevents.c b/dix/getevents.c
index e5134d34b..4d32ed33f 100644
--- a/dix/getevents.c
+++ b/dix/getevents.c
@@ -912,7 +912,7 @@ GetKeyboardEvents(EventList *events, DeviceIntPtr pDev, int type, int key_code)
 int
 GetKeyboardValuatorEvents(EventList *events, DeviceIntPtr pDev, int type,
                           int key_code, int first_valuator,
-                          int num_valuators, int *valuators_in) {
+                          int num_valuators, const int *valuators_in) {
     int num_events = 0;
     CARD32 ms = 0;
     DeviceEvent *event;
@@ -1071,7 +1071,7 @@ transformAbsolute(DeviceIntPtr dev, int v[MAX_VALUATORS])
 int
 GetPointerEvents(EventList *events, DeviceIntPtr pDev, int type, int buttons,
                  int flags, int first_valuator, int num_valuators,
-                 int *valuators_in) {
+                 const int *valuators_in) {
     int num_events = 1;
     CARD32 ms;
     DeviceEvent *event;
@@ -1191,7 +1191,7 @@ GetPointerEvents(EventList *events, DeviceIntPtr pDev, int type, int buttons,
  */
 int
 GetProximityEvents(EventList *events, DeviceIntPtr pDev, int type,
-                   int first_valuator, int num_valuators, int *valuators_in)
+                   int first_valuator, int num_valuators, const int *valuators_in)
 {
     int num_events = 1;
     DeviceEvent *event;
diff --git a/hw/xfree86/common/xf86Xinput.c b/hw/xfree86/common/xf86Xinput.c
index 1654103b7..6673b1e6f 100644
--- a/hw/xfree86/common/xf86Xinput.c
+++ b/hw/xfree86/common/xf86Xinput.c
@@ -1016,7 +1016,7 @@ xf86PostMotionEventP(DeviceIntPtr	device,
                     int			is_absolute,
                     int			first_valuator,
                     int			num_valuators,
-                    int			*valuators)
+                    const int		*valuators)
 {
     int i = 0, nevents = 0;
     DeviceEvent *event;
@@ -1097,7 +1097,7 @@ xf86PostProximityEventP(DeviceIntPtr	device,
                         int		is_in,
                         int		first_valuator,
                         int		num_valuators,
-                        int		*valuators)
+                        const int	*valuators)
 {
     int i, nevents;
 
@@ -1143,7 +1143,7 @@ xf86PostButtonEventP(DeviceIntPtr	device,
                      int		is_down,
                      int		first_valuator,
                      int		num_valuators,
-                     int		*valuators)
+                     const int		*valuators)
 {
     int i = 0, nevents = 0;
     int flags = 0;
@@ -1208,7 +1208,7 @@ xf86PostKeyEventP(DeviceIntPtr	device,
                   int		is_absolute,
                   int		first_valuator,
                   int		num_valuators,
-                  int		*valuators)
+                  const int	*valuators)
 {
     int i = 0, nevents = 0;
 
diff --git a/hw/xfree86/common/xf86Xinput.h b/hw/xfree86/common/xf86Xinput.h
index 0ddfe70d0..edc447c25 100644
--- a/hw/xfree86/common/xf86Xinput.h
+++ b/hw/xfree86/common/xf86Xinput.h
@@ -140,23 +140,23 @@ extern _X_EXPORT InputInfoPtr xf86InputDevs;
 extern _X_EXPORT void xf86PostMotionEvent(DeviceIntPtr device, int is_absolute,
 			 int first_valuator, int num_valuators, ...);
 extern _X_EXPORT void xf86PostMotionEventP(DeviceIntPtr device, int is_absolute,
-			 int first_valuator, int num_valuators, int *valuators);
+			 int first_valuator, int num_valuators, const int *valuators);
 extern _X_EXPORT void xf86PostProximityEvent(DeviceIntPtr device, int is_in,
 			    int first_valuator, int num_valuators, ...);
 extern _X_EXPORT void xf86PostProximityEventP(DeviceIntPtr device, int is_in, int first_valuator,
-			     int num_valuators, int *valuators);
+			     int num_valuators, const int *valuators);
 extern _X_EXPORT void xf86PostButtonEvent(DeviceIntPtr device, int is_absolute, int button,
 		    	 int is_down, int first_valuator, int num_valuators,
 			 ...);
 extern _X_EXPORT void xf86PostButtonEventP(DeviceIntPtr device, int is_absolute, int button,
 			  int is_down, int first_valuator, int num_valuators,
-			  int *valuators);
+			  const int *valuators);
 extern _X_EXPORT void xf86PostKeyEvent(DeviceIntPtr device, unsigned int key_code, int is_down,
 		      int is_absolute, int first_valuator, int num_valuators,
 		      ...);
 extern _X_EXPORT void xf86PostKeyEventP(DeviceIntPtr device, unsigned int key_code, int is_down,
 		       int is_absolute, int first_valuator, int num_valuators,
-		       int *valuators);
+		       const int *valuators);
 extern _X_EXPORT void xf86PostKeyboardEvent(DeviceIntPtr device, unsigned int key_code,
                            int is_down);
 extern _X_EXPORT InputInfoPtr xf86FirstLocalDevice(void);
diff --git a/include/input.h b/include/input.h
index 388ef2146..36ce4c901 100644
--- a/include/input.h
+++ b/include/input.h
@@ -447,7 +447,7 @@ extern _X_EXPORT int GetPointerEvents(
     int flags,
     int first_valuator,
     int num_valuators,
-    int *valuators);
+    const int *valuators);
 
 extern _X_EXPORT int GetKeyboardEvents(
     EventListPtr events,
@@ -462,7 +462,7 @@ extern int GetKeyboardValuatorEvents(
     int key_code,
     int first_valuator,
     int num_valuator,
-    int *valuators);
+    const int *valuators);
 
 extern int GetProximityEvents(
     EventListPtr events,
@@ -470,7 +470,7 @@ extern int GetProximityEvents(
     int type,
     int first_valuator,
     int num_valuators,
-    int *valuators);
+    const int *valuators);
 
 extern void PostSyntheticMotion(
     DeviceIntPtr pDev,