diff --git a/healthd/healthd.h b/healthd/healthd.h
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+/*
+ * Copyright (C) 2013 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 _HEALTHD_H_
+#define _HEALTHD_H_
+
+#include <batteryservice/BatteryService.h>
+
+// The following are implemented in libhealthd_board to handle board-specific
+// behavior.
+//
+// Set periodic poll intervals in seconds.
+//
+// fast_interval is used while the device is not in suspend, or in suspend and
+// connected to a charger (to watch for battery overheat due to charging).
+// The default value is 60 (1 minute).  Value -1 turns off fast_interval
+// polling.
+//
+// slow_interval is used when the device is in suspend and not connected to a
+// charger (to watch for a battery drained to zero remaining capacity).  The
+// default value is 600 (10 minutes).  Value -1 tuns off slow interval
+// polling.
+//
+// To use the default values, this function can simply return without
+// modifying the parameters.
+
+void healthd_board_poll_intervals(int *fast_interval, int *slow_interval);
+
+// Process updated battery property values.  This function is called when
+// the kernel sends updated battery status via a uevent from the power_supply
+// subsystem, or when updated values are polled by healthd, as for periodic
+// poll of battery state.
+//
+// props are the battery properties read from the kernel.  These values may
+// be modified in this call, prior to sending the modified values to the
+// Android runtime.
+//
+// Return 0 to indicate the usual kernel log battery status heartbeat message
+// is to be logged, or non-zero to prevent logging this information.
+
+int healthd_board_battery_update(struct android::BatteryProperties *props);
+
+#endif /* _HEALTHD_H_ */