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Commit b3515648 authored by Donghyun Cho's avatar Donghyun Cho
Browse files

CEC: Add a method to control standby mode of the device 

Bug: 35318128
Test: m -j40
Change-Id: If787f8be5cfd82263e297d53841c1e0dc99c7c80
parent e3bf23be

api/system-current.txt

+1 −0
Original line number Diff line number Diff line
@@ -16103,6 +16103,7 @@ package android.hardware.hdmi { 
    method public android.hardware.hdmi.HdmiPlaybackClient getPlaybackClient();

    method public android.hardware.hdmi.HdmiTvClient getTvClient();

    method public void removeHotplugEventListener(android.hardware.hdmi.HdmiControlManager.HotplugEventListener);

    method public void setStandbyMode(boolean);

    field public static final java.lang.String ACTION_OSD_MESSAGE = "android.hardware.hdmi.action.OSD_MESSAGE";

    field public static final int AVR_VOLUME_MUTED = 101; // 0x65

    field public static final int CLEAR_TIMER_STATUS_CEC_DISABLE = 162; // 0xa2

core/java/android/hardware/hdmi/HdmiControlManager.java

+14 −0
Original line number Diff line number Diff line
@@ -337,6 +337,20 @@ public final class HdmiControlManager { 
        return (HdmiTvClient) getClient(HdmiDeviceInfo.DEVICE_TV);

    }



    /**

     * Controls standby mode of the system. It will also try to turn on/off the connected devices if

     * necessary.

     *

     * @param isStandbyModeOn target status of the system's standby mode

     */

    public void setStandbyMode(boolean isStandbyModeOn) {

        try {

            mService.setStandbyMode(isStandbyModeOn);

        } catch (RemoteException e) {

            throw e.rethrowFromSystemServer();

        }

    }



    /**

     * Listener used to get hotplug event from HDMI port.

     */

core/java/android/hardware/hdmi/IHdmiControlService.aidl

+1 −0
Original line number Diff line number Diff line
@@ -71,4 +71,5 @@ interface IHdmiControlService { 
    void clearTimerRecording(int recorderAddress, int sourceType, in byte[] recordSource);

    void sendMhlVendorCommand(int portId, int offset, int length, in byte[] data);

    void addHdmiMhlVendorCommandListener(IHdmiMhlVendorCommandListener listener);

    void setStandbyMode(boolean isStandbyModeOn);

}

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

+34 −0
Original line number Diff line number Diff line
@@ -1658,6 +1658,17 @@ public final class HdmiControlService extends SystemService { 
            HdmiControlService.this.addHdmiMhlVendorCommandListener(listener);

        }



        @Override

        public void setStandbyMode(final boolean isStandbyModeOn) {

            enforceAccessPermission();

            runOnServiceThread(new Runnable() {

                @Override

                public void run() {

                    HdmiControlService.this.setStandbyMode(isStandbyModeOn);

                }

            });

        }



        @Override

        protected void dump(FileDescriptor fd, final PrintWriter writer, String[] args) {

            getContext().enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
@@ -2203,6 +2214,29 @@ public final class HdmiControlService extends SystemService { 
        }

    }



    void setStandbyMode(boolean isStandbyModeOn) {

        assertRunOnServiceThread();

        if (isPowerOnOrTransient() && isStandbyModeOn) {

            mPowerManager.goToSleep(SystemClock.uptimeMillis(),

                    PowerManager.GO_TO_SLEEP_REASON_HDMI, 0);

            if (playback() != null) {

                playback().sendStandby(0 /* unused */);

            }

        } else if (isPowerStandbyOrTransient() && !isStandbyModeOn) {

            mPowerManager.wakeUp(SystemClock.uptimeMillis(), "android.server.hdmi:WAKE");

            if (playback() != null) {

                oneTouchPlay(new IHdmiControlCallback.Stub() {

                    @Override

                    public void onComplete(int result) {

                        if (result != HdmiControlManager.RESULT_SUCCESS) {

                            Slog.w(TAG, "Failed to complete 'one touch play'. result=" + result);

                        }

                    }

                });

            }

        }

    }



    boolean isProhibitMode() {

        synchronized (mLock) {

            return mProhibitMode;