auto import from //depot/cupcake/@135843

[android-x86/hardware-libhardware_legacy.git] / include / hardware_legacy / power.h

diff --git a/include/hardware_legacy/power.h b/include/hardware_legacy/power.h
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+++ b/include/hardware_legacy/power.h
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+/*
+ * Copyright (C) 2008 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 _HARDWARE_POWER_H
+#define _HARDWARE_POWER_H
+
+#include <stdint.h>
+
+#if __cplusplus
+extern "C" {
+#endif
+
+enum {
+    PARTIAL_WAKE_LOCK = 1,  // the cpu stays on, but the screen is off
+    FULL_WAKE_LOCK = 2      // the screen is also on
+};
+
+// while you have a lock held, the device will stay on at least at the
+// level you request.
+int acquire_wake_lock(int lock, const char* id);
+int release_wake_lock(const char* id);
+
+
+enum {
+    KEYBOARD_LIGHT  = 0x00000001,
+    SCREEN_LIGHT    = 0x00000002,
+    BUTTON_LIGHT    = 0x00000004,
+};
+
+// set the lights identified in mask to the brightness specified
+// in value.  for example
+//   set_light_brightness(SCREEN_LIGHT | KEYBOARD_LIGHT, 200);
+// sets the screen and keyboard lights to brightness 200
+int set_light_brightness(unsigned int mask, unsigned int brightness);
+
+// true if you want the screen on, false if you want it off
+int set_screen_state(int on);
+
+// set how long to stay awake after the last user activity in seconds
+int set_last_user_activity_timeout(int64_t delay);
+
+
+#if __cplusplus
+} // extern "C"
+#endif
+
+#endif // _HARDWARE_POWER_H