MouseCtrl doesn't need to save values we never use

Makes it into a no-op, like evdev's PtrCtrl function, now that
mouse acceleration is completely handled in dix.

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Patrick E. Kane <pekane52 at gmail.com>
Reviewed-by: Simon Thum <simon.thum@gmx.de>

src/mouse.c

@@ -1546,26 +1546,14 @@ post_event:
 
 /*
  * MouseCtrl --
- *      Alter the control parameters for the mouse. Note that all special
- *      protocol values are handled by dix.
+ *      Alter the control parameters for the mouse. Note that all
+ *      settings are now handled by dix.
  */
 
 static void
 MouseCtrl(DeviceIntPtr device, PtrCtrl *ctrl)
 {
-    InputInfoPtr pInfo;
-    MouseDevPtr pMse;
-
-    pInfo = device->public.devicePrivate;
-    pMse = pInfo->private;
-
-#ifdef EXTMOUSEDEBUG
-    ErrorF("MouseCtrl pMse=%p\n", pMse);
-#endif
-    
-    pMse->num       = ctrl->num;
-    pMse->den       = ctrl->den;
-    pMse->threshold = ctrl->threshold;
+    /* This function intentionally left blank */
 }
 
 /*

src/xf86OSmouse.h

@@ -214,9 +214,6 @@ typedef struct _MouseDevRec {
     int			oldBaudRate;
     int			sampleRate;
     int			lastButtons;
-    int			threshold;	/* acceleration */
-    int			num;
-    int			den;
     int			buttons;	/* # of buttons */
     int			emulateState;	/* automata state for 2 button mode */
     Bool		emulate3Buttons;