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Commit 4cc7739c authored by Venkatarama NG. Avadhani's avatar Venkatarama NG. Avadhani Committed by Nathalie Le Clair
Browse files

CEC: Do not wake device on quiescent boot 

In audio system, try to turn on the system audio mode only if device is
not in quiescent state.

Bug: 194790930
Test: cts-tradefed run commandAndExit cts -m CtsOsHostTestCases --test android.os.cts.QuiescentBootTests
Change-Id: Ic5a4bb74e04990edcf42cc3dd066ae1f8b6c3ee6
parent 3cdd8184

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

+14 −7
Original line number Diff line number Diff line
@@ -265,13 +265,20 @@ public class HdmiCecLocalDeviceAudioSystem extends HdmiCecLocalDeviceSource { 
        // to request Short Audio Descriptor. Since ARC and SAM are independent,

        // we can turn on ARC anyways when audio system device just boots up.

        initArcOnFromAvr();



        // This prevents turning on of System Audio Mode during a quiescent boot. If the quiescent

        // boot is exited just after this check, this code will be executed only at the next

        // wake-up.

        if (!mService.isScreenOff()) {

            int systemAudioControlOnPowerOnProp =

                    SystemProperties.getInt(

                            PROPERTY_SYSTEM_AUDIO_CONTROL_ON_POWER_ON,

                            ALWAYS_SYSTEM_AUDIO_CONTROL_ON_POWER_ON);

            boolean lastSystemAudioControlStatus =

                    SystemProperties.getBoolean(Constants.PROPERTY_LAST_SYSTEM_AUDIO_CONTROL, true);

        systemAudioControlOnPowerOn(systemAudioControlOnPowerOnProp, lastSystemAudioControlStatus);

            systemAudioControlOnPowerOn(

                    systemAudioControlOnPowerOnProp, lastSystemAudioControlStatus);

        }

        mService.getHdmiCecNetwork().clearDeviceList();

        launchDeviceDiscovery();

        startQueuedActions();

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

+11 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ import android.content.Context; 
import android.content.Intent;

import android.content.IntentFilter;

import android.database.ContentObserver;

import android.hardware.display.DisplayManager;

import android.hardware.hdmi.HdmiControlManager;

import android.hardware.hdmi.HdmiDeviceInfo;

import android.hardware.hdmi.HdmiHotplugEvent;
@@ -81,6 +82,7 @@ import android.text.TextUtils; 
import android.util.ArrayMap;

import android.util.Slog;

import android.util.SparseArray;

import android.view.Display;



import com.android.internal.annotations.GuardedBy;

import com.android.internal.annotations.VisibleForTesting;
@@ -410,6 +412,9 @@ public class HdmiControlService extends SystemService { 
    @Nullable

    private Looper mIoLooper;



    @Nullable

    private DisplayManager mDisplayManager;



    @HdmiControlManager.HdmiCecVersion

    private int mCecVersion;
@@ -676,6 +681,11 @@ public class HdmiControlService extends SystemService { 
                }, mServiceThreadExecutor);

    }



    /** Returns true if the device screen is off */

    boolean isScreenOff() {

        return mDisplayManager.getDisplay(Display.DEFAULT_DISPLAY).getState() == Display.STATE_OFF;

    }



    private void bootCompleted() {

        // on boot, if device is interactive, set HDMI CEC state as powered on as well

        if (mPowerManager.isInteractive() && isPowerStandbyOrTransient()) {
@@ -731,6 +741,7 @@ public class HdmiControlService extends SystemService { 
    @Override

    public void onBootPhase(int phase) {

        if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) {

            mDisplayManager = getContext().getSystemService(DisplayManager.class);

            mTvInputManager = (TvInputManager) getContext().getSystemService(

                    Context.TV_INPUT_SERVICE);

            mPowerManager = new PowerManagerWrapper(getContext());