power: Add CPU boosting interface (14aadb0c) · Commits · e / os / android_frameworks_base

core/java/android/os/IPowerManager.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -51,4 +51,6 @@ interface IPowerManager

		// sets the attention light (used by phone app only)
		void setAttentionLight(boolean on, int color);

		void cpuBoost(int duration);
		}

+18 −0

Original line number	Diff line number	Diff line
		@@ -603,6 +603,24 @@ public final class PowerManager {
		}
		}

		/**
		* Boost the CPU. Boosts the cpu for the given duration in microseconds.
		* Requires the {@link android.Manifest.permission#CPU_BOOST} permission.
		*
		* @param duration in microseconds to boost the CPU
		*
		* @hide
		*/
		public void cpuBoost(int duration)
		{
		try {
		if (mService != null) {
		mService.cpuBoost(duration);
		}
		} catch (RemoteException e) {
		}
		}

		/**
		* A wake lock is a mechanism to indicate that your application needs
		* to have the device stay on.

+18 −0

Original line number	Diff line number	Diff line
		@@ -170,6 +170,9 @@ public final class PowerManagerService extends IPowerManager.Stub
		// effectively and terminate the dream.
		private static final int DREAM_BATTERY_LEVEL_DRAIN_CUTOFF = 5;

		// Max time (microseconds) to allow a CPU boost for
		private static final int MAX_CPU_BOOST_TIME = 5000000;

		private Context mContext;
		private LightsService mLightsService;
		private BatteryService mBatteryService;
		@@ -367,6 +370,7 @@ public final class PowerManagerService extends IPowerManager.Stub
		private static native void nativeReleaseSuspendBlocker(String name);
		private static native void nativeSetInteractive(boolean enable);
		private static native void nativeSetAutoSuspend(boolean enable);
		private static native void nativeCpuBoost(int duration);

		public PowerManagerService() {
		synchronized (mLock) {
		@@ -1823,6 +1827,20 @@ public final class PowerManagerService extends IPowerManager.Stub
		}
		}

		/**
		* Boost the CPU
		* @param duration Duration to boost the CPU for, in milliseconds.
		* @hide
		*/
		@Override // Binder call
		public void cpuBoost(int duration) {
		if (duration > 0 && duration <= MAX_CPU_BOOST_TIME) {
		nativeCpuBoost(duration);
		} else {
		Log.e(TAG, "Invalid boost duration: " + duration);
		}
		}

		private void shutdownOrRebootInternal(final boolean shutdown, final boolean confirm,
		final String reason, boolean wait) {
		if (mHandler == null \|\| !mSystemReady) {

+8 −0

Original line number	Diff line number	Diff line
		@@ -204,6 +204,12 @@ static void nativeReboot(JNIEnv *env, jclass clazz, jstring reason) {
		jniThrowIOException(env, errno);
		}

		static void nativeCpuBoost(JNIEnv *env, jobject clazz, jint duration) {
		// Tell the Power HAL to boost the CPU
		if (gPowerModule && gPowerModule->powerHint) {
		gPowerModule->powerHint(gPowerModule, POWER_HINT_CPU_BOOST, (void *) duration);
		}
		}

		// ----------------------------------------------------------------------------

		@@ -225,6 +231,8 @@ static JNINativeMethod gPowerManagerServiceMethods[] = {
		(void*) nativeShutdown },
		{ "nativeReboot", "(Ljava/lang/String;)V",
		(void*) nativeReboot },
		{ "nativeCpuBoost", "(I)V",
		(void*) nativeCpuBoost },
		};

		#define FIND_CLASS(var, className) \

+5 −0

Original line number	Diff line number	Diff line
		@@ -119,4 +119,9 @@ public class BridgePowerManager implements IPowerManager {
		public void wakeUp(long time) throws RemoteException {
		// pass for now.
		}

		@Override
		public void cpuBoost(int duration) throws RemoteException {
		// pass for now
		}
		}