Merge change Ia3f7ef64 into eclair

* changes:
  PowerManager: Don't poke user activity in setKeyboardVisibility unless the state actually changed.

services/java/com/android/server/PowerManagerService.java

@@ -2007,6 +2007,7 @@ class PowerManagerService extends IPowerManager.Stub
             if (mSpew) {
                 Log.d(TAG, "setKeyboardVisibility: " + visible);
             }
+            if (mKeyboardVisible != visible) {
                 mKeyboardVisible = visible;
                 // don't signal user activity if the screen is off; other code
                 // will take care of turning on due to a true change to the lid
@@ -2016,6 +2017,7 @@ class PowerManagerService extends IPowerManager.Stub
                 }
             }
         }
+    }
 
     /**
      * When the keyguard is up, it manages the power state, and userActivity doesn't do anything.