qcom-fm: audio: add support for FM feature

-Add set_fm_volume() to set handle fm volume

Change-Id: I2a2c6a60b9855d9360ff8fb90849517e77e5faab

Conflicts:

	audio/AudioPolicyManagerBase.cpp
	include/hardware_legacy/AudioSystemLegacy.h

3 files changed, 15 insertions, 0 deletions

diff --git a/include/hardware_legacy/AudioHardwareInterface.h b/include/hardware_legacy/AudioHardwareInterface.h
index 82fc633..a456baf 100644
--- a/include/hardware_legacy/AudioHardwareInterface.h
+++ b/include/hardware_legacy/AudioHardwareInterface.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2007 The Android Open Source Project
+ * Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -223,6 +224,11 @@ public:
     /** set the audio volume of a voice call. Range is between 0.0 and 1.0 */
     virtual status_t    setVoiceVolume(float volume) = 0;
 
+#ifdef QCOM_FM_ENABLED
+    /** set the fm volume. Range is between 0.0 and 1.0 */
+    virtual status_t    setFmVolume(float volume) { return 0; }
+#endif
+
     /**
      * set the audio volume for all audio activities other than voice call.
      * Range between 0.0 and 1.0. If any value other than NO_ERROR is returned,
diff --git a/include/hardware_legacy/AudioPolicyInterface.h b/include/hardware_legacy/AudioPolicyInterface.h
index 51f4822..b0f4c39 100644
--- a/include/hardware_legacy/AudioPolicyInterface.h
+++ b/include/hardware_legacy/AudioPolicyInterface.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2009 The Android Open Source Project
+ * Copyright (c) 2011-2013, The Linux Foundation. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -245,6 +246,11 @@ public:
                                      audio_io_handle_t srcOutput,
                                      audio_io_handle_t dstOutput) = 0;
 
+#ifdef QCOM_FM_ENABLED
+    // set FM volume.
+    virtual status_t setFmVolume(float volume, int delayMs = 0) { return 0; }
+#endif
+
 };
 
 extern "C" AudioPolicyInterface* createAudioPolicyManager(AudioPolicyClientInterface *clientInterface);
diff --git a/include/hardware_legacy/AudioSystemLegacy.h b/include/hardware_legacy/AudioSystemLegacy.h
index 971a633..762b6be 100644
--- a/include/hardware_legacy/AudioSystemLegacy.h
+++ b/include/hardware_legacy/AudioSystemLegacy.h
@@ -87,6 +87,9 @@ public:
         ENFORCED_AUDIBLE = 7, // Sounds that cannot be muted by user and must be routed to speaker
         DTMF             = 8,
         TTS              = 9,
+#ifdef QCOM_FM_ENABLED
+        FM               = 10,
+#endif
         NUM_STREAM_TYPES
     };