diff --git a/uinputmapper/cinput.py b/uinputmapper/cinput.py
index 7294398..8b439ca 100644
--- a/uinputmapper/cinput.py
+++ b/uinputmapper/cinput.py
@@ -122,6 +122,18 @@ class InputDevice(object):
         if hasattr(self, '_f'):
             os.close(self._f)
 
+    def grab(self):
+        """
+        Grab input device
+        """
+        fcntl.ioctl(self._f, EVIOCGRAB, 1)
+
+    def ungrab(self):
+        """
+        Release device
+        """
+        fcntl.ioctl(self._f, EVIOCGRAB, 0)
+
 
 def open_uinput():
     try:
diff --git a/uinputmapper/linux_input.py b/uinputmapper/linux_input.py
index 1f8eaca..6f548a8 100644
--- a/uinputmapper/linux_input.py
+++ b/uinputmapper/linux_input.py
@@ -164,8 +164,10 @@ EVIOCGABS = lambda _abs: IOR(ord('E'), 0x40 + _abs, ctypes.sizeof(input_absinfo)
 #EVIOCSFF		_IOC(_IOC_WRITE, 'E', 0x80, sizeof(struct ff_effect))	/* send a force effect to a force feedback device */
 #EVIOCRMFF		_IOW('E', 0x81, int)			/* Erase a force effect */
 #EVIOCGEFFECTS		_IOR('E', 0x84, int)			/* Report number of effects playable at the same time */
-#
-#EVIOCGRAB		_IOW('E', 0x90, int)			/* Grab/Release device */
+
+
+# Grab/Release device
+EVIOCGRAB = IOW(ord('E'), 0x90, 'i')
+
 #
 #EVIOCSCLOCKID		_IOW('E', 0xa0, int)			/* Set clockid to be used for timestamps */
-