commit f613d42b12389335b2ecf06df18d0d095d6bfd44
author Jean-Michel Trivi <jmtrivi@google.com> Thu Apr 23 18:41:29 2015 -0700
committer Jean-Michel Trivi <jmtrivi@google.com> Wed Apr 29 17:54:12 2015 -0700
tree b36177007932b781d9db2bb973cb2feaab3cde13
parent dae24729d0b3ced8c4a7d7f9b631e852f564db4f

AudioSystem callback for dynamic policy mix activity

Add method to AudioPolicyServiceClient for dynamic policy mix
 activity notification.
Propagate notification to a dedicated callback.

Bug 20226914

Change-Id: I37928ed38e15ea2b8fed022cccadeca8c4d6c876

include/media/AudioSystem.h

diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 182133c..a3af1b2 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -29,6 +29,7 @@
 namespace android {
 
 typedef void (*audio_error_callback)(status_t err);
+typedef void (*dynamic_policy_callback)(int event, String8 regId, int val);
 
 class IAudioFlinger;
 class IAudioPolicyService;
@@ -89,6 +90,7 @@
     static String8  getParameters(const String8& keys);
 
     static void setErrorCallback(audio_error_callback cb);
+    static void setDynPolicyCallback(dynamic_policy_callback cb);
 
     // helper function to obtain AudioFlinger service handle
     static const sp<IAudioFlinger> get_audio_flinger();
@@ -408,6 +410,7 @@
     static Mutex gLockAPS;   // protects gAudioPolicyService and gAudioPolicyServiceClient
     static sp<IAudioFlinger> gAudioFlinger;
     static audio_error_callback gAudioErrorCallback;
+    static dynamic_policy_callback gDynPolicyCallback;
 
     static size_t gInBuffSize;
     // previous parameters for recording buffer size queries