commit f2067f6c6adb2a51f74cb94fdb7336b9144f151a
author AnubhavGupta <anubhavg@codeaurora.org> Fri Jun 15 22:03:46 2018 +0530
committer AnubhavGupta <anubhavg@codeaurora.org> Fri Jun 15 22:17:27 2018 +0530
tree fba01c4fea813bcd3420316e92aaaa676758fd2f
parent 5c7f7db8bd586381ec23e37282e75b94d1a1fa45

FM: Disable HW loopback, if already enabled

 - Disable HW loopback, if already enabled

Change-Id: I2350328b896d911debb138015c97208e1284750a

fmapp2/src/com/caf/fmradio/FMRadioService.java

diff --git a/fmapp2/src/com/caf/fmradio/FMRadioService.java b/fmapp2/src/com/caf/fmradio/FMRadioService.java
index 977ad3f..944a78c 100644
--- a/fmapp2/src/com/caf/fmradio/FMRadioService.java
+++ b/fmapp2/src/com/caf/fmradio/FMRadioService.java
@@ -524,6 +524,15 @@
         Log.d(LOGTAG, "configureFMDeviceLoopback enable:" + enable +
               " DeviceLoopbackActive:" + mIsFMDeviceLoopbackActive);
         if (enable && mIsFMDeviceLoopbackActive == false) {
+            status = AudioSystem.getDeviceConnectionState(AudioSystem.DEVICE_OUT_FM,"");
+            Log.d(LOGTAG," FM hardwareLoopback Status = " + status);
+            if( status == AudioSystem.DEVICE_STATE_AVAILABLE) {
+                // This case usually happens, when FM is force killed through settings app
+                // and we don't get chance to disable Hardware LoopBack.
+                Log.d(LOGTAG," FM HardwareLoopBack Active, disable it first");
+                status =  AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_FM,
+                              AudioSystem.DEVICE_STATE_UNAVAILABLE, "", "");
+            }
             status = AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_FM,
                                           AudioSystem.DEVICE_STATE_AVAILABLE, "", "");
             if (status != AudioSystem.SUCCESS) {