diff --git a/power-helper.h b/power-helper.h
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+++ b/power-helper.h
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+/*
+ * Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * *    * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ *       copyright notice, this list of conditions and the following
+ *       disclaimer in the documentation and/or other materials provided
+ *       with the distribution.
+ *     * Neither the name of The Linux Foundation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __POWER_HELPER_H__
+#define __POWER_HELPER_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "hardware/power.h"
+
+
+enum stats_type {
+    //WLAN Stats
+    WLAN_POWER_DEBUG_STATS = 0,
+    MAX_WLAN_STATS,
+};
+
+enum subsystem_type {
+    SUBSYSTEM_WLAN = 0,
+
+    //Don't add any lines after this line
+    SUBSYSTEM_COUNT
+};
+
+enum wlan_sleep_states {
+    WLAN_STATE_ACTIVE = 0,
+    WLAN_STATE_DEEP_SLEEP,
+
+    //Don't add any lines after this line
+    WLAN_STATES_COUNT
+};
+
+enum wlan_power_params {
+    CUMULATIVE_SLEEP_TIME_MS = 0,
+    CUMULATIVE_TOTAL_ON_TIME_MS,
+    DEEP_SLEEP_ENTER_COUNTER,
+    LAST_DEEP_SLEEP_ENTER_TSTAMP_MS,
+
+    //Don't add any lines after this line
+    WLAN_POWER_PARAMS_COUNT
+};
+
+
+#define MAX_RPM_PARAMS 2
+#define XO_VOTERS (MAX_PLATFORM_STATS - XO_VOTERS_START)
+#define VMIN_VOTERS 0
+
+struct stat_pair {
+    enum stats_type stat;
+    const char *label;
+    const char **parameters;
+    size_t num_parameters;
+};
+
+
+void power_init(void);
+void power_hint(power_hint_t hint, void *data);
+void power_set_interactive(int on);
+void set_feature(feature_t feature, int state);
+int extract_wlan_stats(uint64_t *list);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //__POWER_HELPER_H__