CEC: Keep Playback device awake while it is the active source (e26d833c) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/hdmi/HdmiCecLocalDevice.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -201,6 +201,14 @@ abstract class HdmiCecLocalDevice {
		return true;
		}

		/**
		* Returns true if the local device allows the system to be put to standby.
		* The default implementation returns true.
		*/
		protected boolean canGoToStandby() {
		return true;
		}

		/**
		* Dispatch incoming message.
		*

services/core/java/com/android/server/hdmi/HdmiCecLocalDevicePlayback.java

+41 −18

Original line number	Diff line number	Diff line
		@@ -19,6 +19,8 @@ package com.android.server.hdmi;
		import android.hardware.hdmi.HdmiControlManager;
		import android.hardware.hdmi.HdmiDeviceInfo;
		import android.hardware.hdmi.IHdmiControlCallback;
		import android.os.PowerManager;
		import android.os.PowerManager.WakeLock;
		import android.os.RemoteException;
		import android.os.SystemProperties;
		import android.util.Slog;
		@@ -34,16 +36,16 @@ final class HdmiCecLocalDevicePlayback extends HdmiCecLocalDevice {

		private boolean mIsActiveSource = false;

		// Used to keep the device awake while it is the active source. For devices that
		// cannot wake up via CEC commands, this address the inconvenience of having to
		// turn them on.
		// Lazily initialized - should call getWakeLock() to get the instance.
		private WakeLock mWakeLock;

		HdmiCecLocalDevicePlayback(HdmiControlService service) {
		super(service, HdmiDeviceInfo.DEVICE_PLAYBACK);
		}

		@Override
		void init() {
		super.init();
		mIsActiveSource = false;
		}

		@Override
		@ServiceThreadOnly
		protected void onAddressAllocated(int logicalAddress, int reason) {
		@@ -129,12 +131,37 @@ final class HdmiCecLocalDevicePlayback extends HdmiCecLocalDevice {
		if (connected && mService.isPowerStandbyOrTransient()) {
		mService.wakeUp();
		}
		if (!connected) {
		getWakeLock().release();
		}
		}

		@ServiceThreadOnly
		void markActiveSource() {
		void setActiveSource(boolean on) {
		assertRunOnServiceThread();
		mIsActiveSource = true;
		mIsActiveSource = on;
		if (on) {
		getWakeLock().acquire();
		HdmiLogger.debug("active source: %b. Wake lock acquired", mIsActiveSource);
		} else {
		getWakeLock().release();
		HdmiLogger.debug("Wake lock released");
		}
		}

		@ServiceThreadOnly
		private WakeLock getWakeLock() {
		assertRunOnServiceThread();
		if (mWakeLock == null) {
		mWakeLock = mService.getPowerManager().newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, TAG);
		mWakeLock.setReferenceCounted(false);
		}
		return mWakeLock;
		}

		@Override
		protected boolean canGoToStandby() {
		return !getWakeLock().isHeld();
		}

		@Override
		@@ -148,7 +175,7 @@ final class HdmiCecLocalDevicePlayback extends HdmiCecLocalDevice {

		private void mayResetActiveSource(int physicalAddress) {
		if (physicalAddress != mService.getPhysicalAddress()) {
		mIsActiveSource = false;
		setActiveSource(false);
		}
		}

		@@ -163,9 +190,9 @@ final class HdmiCecLocalDevicePlayback extends HdmiCecLocalDevice {
		return true; // Broadcast message.
		}

		// Samsung model, we tested, sends <RoutingChange> and <RequestActiveSource> consecutively,
		// Then if there is no <ActiveSource> response, it will change the input to
		// the internal source. To handle this, we'll set ActiveSource aggressively.
		// Samsung model we tested sends <Routing Change> and <Request Active Source>
		// in a row, and then changes the input to the internal source if there is no
		// <Active Source> in response. To handle this, we'll set ActiveSource aggressively.
		@Override
		@ServiceThreadOnly
		protected boolean handleRoutingChange(HdmiCecMessage message) {
		@@ -185,11 +212,7 @@ final class HdmiCecLocalDevicePlayback extends HdmiCecLocalDevice {
		}

		private void maySetActiveSource(int physicalAddress) {
		if (physicalAddress == mService.getPhysicalAddress()) {
		mIsActiveSource = true;
		} else {
		mIsActiveSource = false;
		}
		setActiveSource(physicalAddress == mService.getPhysicalAddress());
		}

		private void wakeUpIfActiveSource() {
		@@ -226,7 +249,7 @@ final class HdmiCecLocalDevicePlayback extends HdmiCecLocalDevice {
		mService.sendCecCommand(HdmiCecMessageBuilder.buildInactiveSource(
		mAddress, mService.getPhysicalAddress()));
		}
		mIsActiveSource = false;
		setActiveSource(false);
		checkIfPendingActionsCleared();
		}

services/core/java/com/android/server/hdmi/HdmiControlService.java

+18 −4

Original line number	Diff line number	Diff line
		@@ -277,6 +277,9 @@ public final class HdmiControlService extends SystemService {
		@Nullable
		private TvInputManager mTvInputManager;

		@Nullable
		private PowerManager mPowerManager;

		// Last input port before switching to the MHL port. Should switch back to this port
		// when the mobile device sends the request one touch play with off.
		// Gets invalidated if we go to other port/input.
		@@ -353,6 +356,7 @@ public final class HdmiControlService extends SystemService {
		if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) {
		mTvInputManager = (TvInputManager) getContext().getSystemService(
		Context.TV_INPUT_SERVICE);
		mPowerManager = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE);
		}
		}

		@@ -370,6 +374,10 @@ public final class HdmiControlService extends SystemService {
		mTvInputManager.unregisterCallback(callback);
		}

		PowerManager getPowerManager() {
		return mPowerManager;
		}

		/**
		* Called when the initialization of local devices is complete.
		*/
		@@ -1859,8 +1867,7 @@ public final class HdmiControlService extends SystemService {
		void wakeUp() {
		assertRunOnServiceThread();
		mWakeUpMessageReceived = true;
		PowerManager pm = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE);
		pm.wakeUp(SystemClock.uptimeMillis());
		mPowerManager.wakeUp(SystemClock.uptimeMillis());
		// PowerManger will send the broadcast Intent.ACTION_SCREEN_ON and after this gets
		// the intent, the sequence will continue at onWakeUp().
		}
		@@ -1869,8 +1876,7 @@ public final class HdmiControlService extends SystemService {
		void standby() {
		assertRunOnServiceThread();
		mStandbyMessageReceived = true;
		PowerManager pm = (PowerManager) getContext().getSystemService(Context.POWER_SERVICE);
		pm.goToSleep(SystemClock.uptimeMillis(), PowerManager.GO_TO_SLEEP_REASON_HDMI, 0);
		mPowerManager.goToSleep(SystemClock.uptimeMillis(), PowerManager.GO_TO_SLEEP_REASON_HDMI, 0);
		// PowerManger will send the broadcast Intent.ACTION_SCREEN_OFF and after this gets
		// the intent, the sequence will continue at onStandby().
		}
		@@ -1896,6 +1902,7 @@ public final class HdmiControlService extends SystemService {
		@ServiceThreadOnly
		private void onStandby() {
		assertRunOnServiceThread();
		if (!canGoToStandby()) return;
		mPowerStatus = HdmiControlManager.POWER_STATUS_TRANSIENT_TO_STANDBY;
		invokeVendorCommandListenersOnControlStateChanged(false,
		HdmiControlManager.CONTROL_STATE_CHANGED_REASON_STANDBY);
		@@ -1916,6 +1923,13 @@ public final class HdmiControlService extends SystemService {
		});
		}

		private boolean canGoToStandby() {
		for (HdmiCecLocalDevice device : mCecController.getLocalDeviceList()) {
		if (!device.canGoToStandby()) return false;
		}
		return true;
		}

		@ServiceThreadOnly
		private void onLanguageChanged(String language) {
		assertRunOnServiceThread();

services/core/java/com/android/server/hdmi/OneTouchPlayAction.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -82,7 +82,7 @@ final class OneTouchPlayAction extends HdmiCecFeatureAction {
		private void broadcastActiveSource() {
		sendCommand(HdmiCecMessageBuilder.buildActiveSource(getSourceAddress(), getSourcePath()));
		// Because only playback device can create this action, it's safe to cast.
		playback().markActiveSource();
		playback().setActiveSource(true);
		}

		private void queryDevicePowerStatus() {