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Commit 03a0428e authored by Ruchi Kandoi's avatar Ruchi Kandoi
Browse files

PowerManagerService: Adds a VrStateListener to track Vr Mode state changes. 



PowerManagerService sends VR_MODE hints to the powerHAL for device-specific
power tunings.

Bug: 27659731
Signed-off-by: default avatarRuchi Kandoi <kandoiruchi@google.com>
Change-Id: I152d9b6adfbae5d3df8d131fdd16e33fb14b64d3
parent b6692a3a

services/core/java/com/android/server/power/PowerManagerService.java

+11 −0
Original line number Diff line number Diff line
@@ -70,6 +70,8 @@ import com.android.server.Watchdog; 
import com.android.server.am.BatteryStatsService;

import com.android.server.lights.Light;

import com.android.server.lights.LightsManager;

import com.android.server.vr.VrManagerInternal;

import com.android.server.vr.VrStateListener;

import libcore.util.Objects;



import java.io.FileDescriptor;
@@ -155,6 +157,7 @@ public final class PowerManagerService extends SystemService 
    // Power hints defined in hardware/libhardware/include/hardware/power.h.

    private static final int POWER_HINT_LOW_POWER = 5;

    private static final int POWER_HINT_SUSTAINED_PERFORMANCE = 6;

    private static final int POWER_HINT_VR_MODE = 7;



    // Power features defined in hardware/libhardware/include/hardware/power.h.

    private static final int POWER_FEATURE_DOUBLE_TAP_TO_WAKE = 1;
@@ -643,6 +646,7 @@ public final class PowerManagerService extends SystemService 
            resolver.registerContentObserver(Settings.Secure.getUriFor(

                    Secure.BRIGHTNESS_USE_TWILIGHT),

                    false, mSettingsObserver, UserHandle.USER_ALL);

            getLocalService(VrManagerInternal.class).registerListener(mVrStateListener);

            // Go.

            readConfigurationLocked();

            updateSettingsLocked();
@@ -2989,6 +2993,13 @@ public final class PowerManagerService extends SystemService 
        }

    }



    private final VrStateListener mVrStateListener = new VrStateListener() {

        @Override

        public void onVrStateChanged(boolean enabled) {

            powerHintInternal(POWER_HINT_VR_MODE, enabled ? 1 : 0);

        }

    };



    /**

     * Handler for asynchronous operations performed by the power manager.

     */