set vsync power hint
Change-Id: I28c2faf9ff584df3e74392712971cbcf75eb9e98
diff --git a/services/surfaceflinger/DisplayHardware/PowerHAL.h b/services/surfaceflinger/DisplayHardware/PowerHAL.h
new file mode 100644
index 0000000..929bc03
--- /dev/null
+++ b/services/surfaceflinger/DisplayHardware/PowerHAL.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_SF_POWER_HAL_H
+#define ANDROID_SF_POWER_HAL_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <hardware/power.h>
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+class PowerHAL
+{
+public:
+ PowerHAL();
+ ~PowerHAL();
+
+ status_t initCheck() const;
+ status_t vsyncHint(bool enabled);
+
+private:
+ power_module_t* mPowerModule;
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_SF_POWER_HAL_H