Tweak audio APIs for better forward/backward/sideways compatibility.

Change-Id: I293e99107aed260db68edccad35cdc15ed88c1d3

Author: Jean-Baptiste Queru

include/media/EffectApi.h

@@ -602,9 +602,9 @@ enum audio_device_e {
 
 // Audio mode
 enum audio_mode_e {
-    AUDIO_MODE_NORMAL,      // device idle
-    AUDIO_MODE_RINGTONE,    // device ringing
-    AUDIO_MODE_IN_CALL      // audio call connected (VoIP or telephony)
+    AUDIO_EFFECT_MODE_NORMAL,   // device idle
+    AUDIO_EFFECT_MODE_RINGTONE, // device ringing
+    AUDIO_EFFECT_MODE_IN_CALL   // audio call connected (VoIP or telephony)
 };
 
 // Values for "accessMode" field of buffer_config_t:

services/audioflinger/AudioFlinger.cpp

@@ -5808,10 +5808,10 @@ uint32_t AudioFlinger::EffectModule::deviceAudioSystemToEffectApi(uint32_t devic
 
 // update this table when AudioSystem::audio_mode or audio_mode_e (in EffectApi.h) are modified
 const uint32_t AudioFlinger::EffectModule::sModeConvTable[] = {
-    AUDIO_MODE_NORMAL,   // AudioSystem::MODE_NORMAL
-    AUDIO_MODE_RINGTONE, // AudioSystem::MODE_RINGTONE
-    AUDIO_MODE_IN_CALL,  // AudioSystem::MODE_IN_CALL
-    AUDIO_MODE_IN_CALL   // AudioSystem::MODE_IN_COMMUNICATION, same conversion as for MODE_IN_CALL
+    AUDIO_EFFECT_MODE_NORMAL,   // AudioSystem::MODE_NORMAL
+    AUDIO_EFFECT_MODE_RINGTONE, // AudioSystem::MODE_RINGTONE
+    AUDIO_EFFECT_MODE_IN_CALL,  // AudioSystem::MODE_IN_CALL
+    AUDIO_EFFECT_MODE_IN_CALL   // AudioSystem::MODE_IN_COMMUNICATION, same conversion as for MODE_IN_CALL
 };
 
 int AudioFlinger::EffectModule::modeAudioSystemToEffectApi(uint32_t mode)