3 files changed, 30 insertions, 4 deletions
diff --git a/src/synaptics-x11.c b/src/synaptics-x11.c
index 18f587c..0544638 100644
--- a/src/synaptics-x11.c
+++ b/src/synaptics-x11.c
@@ -385,8 +385,7 @@ DeviceOn(DeviceIntPtr dev)
         return !Success;
     }
 
-    if (priv->proto_ops->DeviceOnHook &&
-        !priv->proto_ops->DeviceOnHook(priv, &priv->synpara, pInfo->fd))
+    if (!SynapticsEnableDevice(priv, pInfo->fd))
         return !Success;
 
     xf86FlushInput(pInfo->fd);
@@ -417,8 +416,7 @@ DeviceOff(DeviceIntPtr dev)
         xf86RemoveEnabledDevice(pInfo);
         SynapticsReset(priv);
 
-        if (priv->proto_ops->DeviceOffHook &&
-            !priv->proto_ops->DeviceOffHook(priv, pInfo->fd))
+        if (!SynapticsDisableDevice(priv, pInfo->fd))
             rc = !Success;
         xf86CloseSerial(pInfo->fd);
         pInfo->fd = -1;
diff --git a/src/synaptics.c b/src/synaptics.c
index 30de7ac..4c62f0c 100644
--- a/src/synaptics.c
+++ b/src/synaptics.c
@@ -640,6 +640,24 @@ SynapticsInitDevice(SynapticsPrivate *priv)
     return !Success;
 }
 
+Bool
+SynapticsEnableDevice(SynapticsPrivate *priv, int fd)
+{
+    if (priv->proto_ops->DeviceOnHook &&
+        !priv->proto_ops->DeviceOnHook(priv, &priv->synpara, fd))
+        return 1;
+    return 0;
+}
+
+Bool
+SynapticsDisableDevice(SynapticsPrivate *priv, int fd)
+{
+    if (priv->proto_ops->DeviceOffHook &&
+        !priv->proto_ops->DeviceOffHook(priv, fd))
+        return 1;
+    return 0;
+}
+
 /* return angle of point relative to center */
 static double
 angle(SynapticsPrivate * priv, int x, int y)
diff --git a/src/synaptics.h b/src/synaptics.h
index e637e1a..f5805b3 100644
--- a/src/synaptics.h
+++ b/src/synaptics.h
@@ -60,6 +60,16 @@ void SynapticsReadInput(SynapticsPrivate *priv, int fd);
  */
 Bool SynapticsInitDevice(SynapticsPrivate *priv);
 /**
+ * Enable the backend to start sending events.
+ * Implemented-by: core
+ */
+Bool SynapticsEnableDevice(SynapticsPrivate *priv, int fd);
+/**
+ * Disable the backend to stop sending events.
+ * Implemented-by: core
+ */
+Bool SynapticsDisableDevice(SynapticsPrivate *priv, int fd);
+/**
  * Shut down the device. Call this after disabling the file descriptor.
  * Implemented-by: core
  */