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Commit 828a1100 authored by Sandeep Gutta's avatar Sandeep Gutta Committed by Jack Yu
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Hold on data-stall recovery logic during voice call on other sub. 

- Data stall may get falsely triggered if there is a voice call on
  other sub and data is dormant on current data subscription.
- As part of recovery, telephony may bring-down the PDP or even reset
  the modem.
- Do not proceed the data-stall logic if there is an active voice
  call on any of the subscriptions.

Merged-In: I135f012c549bf8a2a32d14de05b2d49b62eb4d1b
Change-Id: I135f012c549bf8a2a32d14de05b2d49b62eb4d1b
Bug: 34760370
Test: Manual
parent 76e7c597

src/java/com/android/internal/telephony/dataconnection/DcTracker.java

+13 −1
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ import com.android.internal.telephony.GsmCdmaPhone; 
import com.android.internal.telephony.ITelephony;

import com.android.internal.telephony.Phone;

import com.android.internal.telephony.PhoneConstants;

import com.android.internal.telephony.PhoneFactory;

import com.android.internal.telephony.RILConstants;

import com.android.internal.telephony.ServiceStateTracker;

import com.android.internal.telephony.TelephonyIntents;
@@ -4743,7 +4744,7 @@ public class DcTracker extends Handler { 
            mSentSinceLastRecv = 0;

            putRecoveryAction(RecoveryAction.GET_DATA_CALL_LIST);

        } else if (sent > 0 && received == 0) {

            if (mPhone.getState() == PhoneConstants.State.IDLE) {

            if (isPhoneStateIdle()) {

                mSentSinceLastRecv += sent;

            } else {

                mSentSinceLastRecv = 0;
@@ -4761,6 +4762,17 @@ public class DcTracker extends Handler { 
        }

    }



    private boolean isPhoneStateIdle() {

        for (int i = 0; i < TelephonyManager.getDefault().getPhoneCount(); i++) {

            Phone phone = PhoneFactory.getPhone(i);

            if (phone != null && phone.getState() != PhoneConstants.State.IDLE) {

                log("isPhoneStateIdle false: Voice call active on phone " + i);

                return false;

            }

        }

        return true;

    }



    private void onDataStallAlarm(int tag) {

        if (mDataStallAlarmTag != tag) {

            if (DBG) {