mtkperf_inputflinger_perfboost.patch

diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index dd0082c..af1bc8c 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -67,6 +67,10 @@ static constexpr bool DEBUG_FOCUS = false;
 #include <powermanager/PowerManager.h>
 #include <utils/Trace.h>
 
+/// M:PerfBoost include @{
+#include <dlfcn.h>
+/// @}
+
 #define INDENT "  "
 #define INDENT2 "    "
 #define INDENT3 "      "
@@ -103,6 +107,16 @@ constexpr std::chrono::nanoseconds KEY_WAITING_FOR_EVENTS_TIMEOUT = 500ms;
 // Number of recent events to keep for debugging purposes.
 constexpr size_t RECENT_QUEUE_MAX_SIZE = 10;
 
+/// M:PerfBoost define @{
+#define MTK_POWERHAL "libpowerhalwrap.so"
+
+int (*powerTouchBoost)(int) = NULL;
+
+typedef int (*boost)(int);
+
+void *pwr_handle = NULL;
+/// @}
+
 static inline nsecs_t now() {
     return systemTime(SYSTEM_TIME_MONOTONIC);
 }
@@ -404,12 +418,33 @@ InputDispatcher::InputDispatcher(const sp<InputDispatcherPolicyInterface>& polic
         // initialize it here anyways.
         mInTouchMode(true),
         mFocusedDisplayId(ADISPLAY_ID_DEFAULT) {
+    /// M:PerfBoost init @{
+    void *func;
+    /// @}
     mLooper = new Looper(false);
     mReporter = createInputReporter();
 
     mKeyRepeatState.lastKeyEntry = nullptr;
 
     policy->getDispatcherConfiguration(&mConfig);
+
+    /// M:PerfBoost init @{
+    pwr_handle = dlopen(MTK_POWERHAL, RTLD_NOW);
+
+    if (pwr_handle == NULL) {
+        ALOGI("Cant load Mediatek Power HAL wrapper (libpowerhalwrap not included in the device tree?)");
+    } else {
+        ALOGI("Successfully loaded Mediatek Power HAL wrapper");
+    }
+
+    if (pwr_handle != NULL) {
+        func = dlsym(pwr_handle, "PowerHal_TouchBoost");
+        powerTouchBoost = reinterpret_cast<boost>(func);
+        if (powerTouchBoost == NULL) {
+            ALOGE("Cant find PowerHal_TouchBoost symbol in libpowerhalwrap");
+        }
+    }
+    /// @}
 }
 
 InputDispatcher::~InputDispatcher() {
@@ -425,6 +460,12 @@ InputDispatcher::~InputDispatcher() {
         sp<Connection> connection = mConnectionsByFd.begin()->second;
         unregisterInputChannel(connection->inputChannel);
     }
+
+    /// M:PerfBoost close @{
+    if (pwr_handle != NULL) {
+        dlclose(pwr_handle);
+    }
+    /// @}
 }
 
 status_t InputDispatcher::start() {
@@ -770,10 +811,23 @@ bool InputDispatcher::enqueueInboundEventLocked(EventEntry* entry) {
         }
 
         case EventEntry::Type::MOTION: {
+            const MotionEntry& motionEntry = static_cast<const MotionEntry&>(*entry);
+
             if (shouldPruneInboundQueueLocked(static_cast<MotionEntry&>(*entry))) {
                 mNextUnblockedEvent = entry;
                 needWake = true;
             }
+
+            /// M:PerfBoost enable/disable @{
+            if (motionEntry.action == AMOTION_EVENT_ACTION_DOWN) {
+                if (powerTouchBoost)
+                    powerTouchBoost(10000); // boost 10sec. at most
+            } else if (motionEntry.action == AMOTION_EVENT_ACTION_CANCEL || motionEntry.action == AMOTION_EVENT_ACTION_UP) {
+                if (powerTouchBoost)
+                    powerTouchBoost(0); // disable boost
+            }
+            /// @}
+
             break;
         }
         case EventEntry::Type::FOCUS: {