diff --git a/frameworks/base/data/keyboards/Generic.kl b/frameworks/base/data/keyboards/Generic.kl
index f10ba96..ae84296 100644
--- a/frameworks/base/data/keyboards/Generic.kl
+++ b/frameworks/base/data/keyboards/Generic.kl
@@ -247,6 +247,9 @@ key 224   BRIGHTNESS_DOWN
 key 225   BRIGHTNESS_UP
 key 226   HEADSETHOOK
 
+# samsung
+key 254   APP_SWITCH
+
 key 256   BUTTON_1
 key 257   BUTTON_2
 key 258   BUTTON_3
diff -ur a/packages/services/Telecomm/src/com/android/server/telecom/CallAudioManager.java b/packages/services/Telecomm/src/com/android/server/telecom/CallAudioManager.java
--- a/packages/services/Telecomm/src/com/android/server/telecom/CallAudioManager.java	Wed Apr 20 08:50:20 2016
+++ b/packages/services/Telecomm/src/com/android/server/telecom/CallAudioManager.java	Thu May 12 01:31:40 2016
@@ -481,8 +481,18 @@
 
         Call call = CallsManager.getInstance().getForegroundCall();
         boolean setMsimAudioParams = SystemProperties.getBoolean("ro.multisim.set_audio_params", false);
+		boolean setSamsungRealcallParams = SystemProperties.getBoolean("ro.telephony.samsung.realcall", false);
 
         Log.v(this, "Request to change audio mode from %d to %d", oldMode, newMode);
+		
+		if(setSamsungRealcallParams) {
+            if(newMode == 0) {
+                mAudioManager.setParameters("realcall=off");
+            } else if(newMode == AudioManager.MODE_IN_COMMUNICATION || newMode == AudioManager.MODE_RINGTONE
+                || newMode == AudioManager.MODE_IN_CALL) {
+                    mAudioManager.setParameters("realcall=on");
+            }
+        }
 
         if (oldMode != newMode) {
             if (oldMode == AudioManager.MODE_IN_CALL && newMode == AudioManager.MODE_RINGTONE) {

diff -ur a/hardware/qcom/fm/fmapp2/src/com/caf/fmradio/FMRadioService.java b/hardware/qcom/fm/fmapp2/src/com/caf/fmradio/FMRadioService.java
--- a/hardware/qcom/fm/fmapp2/src/com/caf/fmradio/FMRadioService.java	Mon Jun 20 17:28:46 2016
+++ b/hardware/qcom/fm/fmapp2/src/com/caf/fmradio/FMRadioService.java	Mon Jun 27 10:45:01 2016
@@ -926,9 +926,19 @@
                mSpeakerPhoneOn = true;
                Log.d(LOGTAG, "Audio source set it as speaker");
                AudioSystem.setForceUse(AudioSystem.FOR_MEDIA, AudioSystem.FORCE_SPEAKER);
+			   mAudioManager.setParameters("fm_mode=on");
+		       mAudioManager.setParameters("fm_radio_volume=on");
+		       mAudioManager.setParameters("FMRadioVol=0.1496235728");
+		       mAudioManager.setMode(AudioManager.MODE_IN_CALL);
+               mAudioManager.setSpeakerphoneOn(true);
            } else {
                Log.d(LOGTAG, "Audio source set it as headset");
                AudioSystem.setForceUse(AudioSystem.FOR_MEDIA, AudioSystem.FORCE_NONE);
+			   mAudioManager.setParameters("fm_mode=on");
+		       mAudioManager.setParameters("fm_radio_volume=on");
+		       mAudioManager.setParameters("FMRadioVol=0.1496235728");
+		       mAudioManager.setMode(AudioManager.MODE_IN_CALL);
+               mAudioManager.setSpeakerphoneOn(false);
            }
            AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_FM,
                                AudioSystem.DEVICE_STATE_AVAILABLE, "");
@@ -947,6 +957,8 @@
            stopA2dpPlayback();
        }else{
            Log.d(LOGTAG, "FMRadio: Requesting to stop FM");
+		   mAudioManager.setParameters("fm_mode=off");
+		   mAudioManager.setParameters("fm_radio_mute=1");
            AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_FM,
                                      AudioSystem.DEVICE_STATE_UNAVAILABLE, "");
        }
@@ -960,6 +972,8 @@
            resetA2dpPlayback();
        }else{
            Log.d(LOGTAG, "FMRadio: Requesting to stop FM");
+		   mAudioManager.setParameters("fm_mode=off");
+		   mAudioManager.setParameters("fm_radio_mute=1");
            AudioSystem.setDeviceConnectionState(AudioSystem.DEVICE_OUT_FM,
                                      AudioSystem.DEVICE_STATE_UNAVAILABLE, "");
            sendRecordServiceIntent(RECORD_STOP);
@@ -1168,6 +1182,7 @@
                if (audioManager != null) {
                    Log.d(LOGTAG, "Mute");
                    mMuted = true;
+				   audioManager.setParameters("fm_radio_mute=1");
                    audioManager.setStreamMute(AudioManager.STREAM_MUSIC,true);
                }
            }
@@ -2095,6 +2110,7 @@
                     stopRecording();
                 stopFM();
                AudioSystem.setForceUse(AudioSystem.FOR_MEDIA, AudioSystem.FORCE_NONE);
+			   mAudioManager.setSpeakerphoneOn(false);
                if (mMuted) {
                    setAudioPath(true);
                } else {
@@ -2104,6 +2120,7 @@
                }
            } else {
                AudioSystem.setForceUse(AudioSystem.FOR_MEDIA, AudioSystem.FORCE_NONE);
+			   mAudioManager.setSpeakerphoneOn(false);
            }
            if (analogmode)
                 startFM();
@@ -2131,6 +2148,7 @@
                  }
            }
            AudioSystem.setForceUse(AudioSystem.FOR_MEDIA, AudioSystem.FORCE_SPEAKER);
+		   mAudioManager.setSpeakerphoneOn(true);
            if (analogmode)
                 startFM();
        }
@@ -2231,6 +2249,7 @@
       if (audioManager != null)
       {
          mMuted = true;
+		 audioManager.setParameters("fm_radio_mute=1");
          audioManager.setStreamMute(AudioManager.STREAM_MUSIC,true);
       }
       return bCommandSent;
@@ -2251,6 +2270,7 @@
       if (audioManager != null)
       {
          mMuted = false;
+		 audioManager.setParameters("fm_radio_mute=0");
          audioManager.setStreamMute(AudioManager.STREAM_MUSIC,false);
          if (mResumeAfterCall)
          {