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Commit 148bc14a authored by Bheemsen Kulkarni's avatar Bheemsen Kulkarni Committed by Steve Kondik
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Bluetooth:LCD wakeup during remote BT pairing request. 


This change fixes the issue of LCD not coming up during remote
initiated pairing request when android is in suspend

Change-Id: I0f4ff503fbfa6771b8a60cbee007972c368be8cf
Signed-off-by: default avatarBheemsen Kulkarni <x0099674@ti.com>
parent bc628ec5

core/java/android/server/BluetoothEventLoop.java

+14 −0
Original line number Diff line number Diff line
@@ -30,6 +30,8 @@ import android.util.Log; 


import java.util.HashMap;

import java.util.Set;

import android.os.PowerManager;





/**

 * TODO: Move this to
@@ -51,6 +53,9 @@ class BluetoothEventLoop { 
    private final BluetoothService mBluetoothService;

    private final BluetoothAdapter mAdapter;

    private final Context mContext;

    // The WakeLock is used for bringing up the LCD during a pairing request

    // from remote device when Android is in Suspend state.

    private PowerManager.WakeLock mWakeLock;



    private static final int EVENT_AUTO_PAIRING_FAILURE_ATTEMPT_DELAY = 1;

    private static final int EVENT_RESTART_BLUETOOTH = 2;
@@ -121,6 +126,11 @@ class BluetoothEventLoop { 
        mContext = context;

        mPasskeyAgentRequestData = new HashMap();

        mAdapter = adapter;

        //WakeLock instantiation in BluetoothEventLoop class

        PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);

        mWakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP

                | PowerManager.ON_AFTER_RELEASE, TAG);

        mWakeLock.setReferenceCounted(false);

        initializeNativeDataNative();

    }
@@ -519,10 +529,14 @@ class BluetoothEventLoop { 
                }

           }

        }

       // Acquire wakelock during PIN code request to bring up LCD display

        mWakeLock.acquire();

        Intent intent = new Intent(BluetoothDevice.ACTION_PAIRING_REQUEST);

        intent.putExtra(BluetoothDevice.EXTRA_DEVICE, mAdapter.getRemoteDevice(address));

        intent.putExtra(BluetoothDevice.EXTRA_PAIRING_VARIANT, BluetoothDevice.PAIRING_VARIANT_PIN);

        mContext.sendBroadcast(intent, BLUETOOTH_ADMIN_PERM);

        // Release wakelock to allow the LCD to go off after the PIN popup notifcation.

        mWakeLock.release();

        return;

    }