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+/*
+ * Copyright (c) 2013, 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.
+ */
+#define LOG_NIDEBUG 0
+
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dlfcn.h>
+#include <stdlib.h>
+
+#define LOG_TAG "QTI PowerHAL"
+#include <utils/Log.h>
+#include <hardware/hardware.h>
+#include <hardware/power.h>
+
+#include "utils.h"
+#include "metadata-defs.h"
+#include "hint-data.h"
+#include "performance.h"
+#include "power-common.h"
+
+static int display_hint_sent;
+static int display_hint2_sent;
+static int first_display_off_hint;
+extern int display_boost;
+
+int set_interactive_override(struct power_module *module, int on)
+{
+ char governor[80];
+
+ if (get_scaling_governor(governor, sizeof(governor)) == -1) {
+ ALOGE("Can't obtain scaling governor.");
+
+ return HINT_NONE;
+ }
+
+ if (!on) {
+ /* Display off. */
+ /*
+ * We need to be able to identify the first display off hint
+ * and release the current lock holder
+ */
+ if (display_boost) {
+ if (!first_display_off_hint) {
+ undo_initial_hint_action();
+ first_display_off_hint = 1;
+ }
+ /* used for all subsequent toggles to the display */
+ if (!display_hint2_sent) {
+ undo_hint_action(DISPLAY_STATE_HINT_ID_2);
+ display_hint2_sent = 1;
+ }
+ }
+
+ if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
+ (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
+ int resource_values[] = {MS_500, SYNC_FREQ_600, OPTIMAL_FREQ_600, THREAD_MIGRATION_SYNC_OFF};
+
+ if (!display_hint_sent) {
+ perform_hint_action(DISPLAY_STATE_HINT_ID,
+ resource_values, sizeof(resource_values)/sizeof(resource_values[0]));
+ display_hint_sent = 1;
+ }
+
+ return HINT_HANDLED;
+ }
+ } else {
+ /* Display on */
+ if (display_boost && display_hint2_sent) {
+ int resource_values2[] = {CPUS_ONLINE_MIN_2};
+ perform_hint_action(DISPLAY_STATE_HINT_ID_2,
+ resource_values2, sizeof(resource_values2)/sizeof(resource_values2[0]));
+ display_hint2_sent = 0;
+ }
+
+ if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) &&
+ (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) {
+ undo_hint_action(DISPLAY_STATE_HINT_ID);
+ display_hint_sent = 0;
+
+ return HINT_HANDLED;
+ }
+ }
+
+ return HINT_NONE;
+}