commit e1715a465a29db625da9d0ea365edf371e39e201
author Eric Laurent <elaurent@google.com> Tue May 20 11:30:42 2014 -0700
committer Eric Laurent <elaurent@google.com> Fri May 30 17:22:58 2014 -0700
tree 771fdda7b99935e05e7b3c36487abf523930dd34
parent 1afeecb88bea660b2c10b2096be0fd02433303ce

audio policy: add audio port gain control

Implement setAudioPortConfig() API to configure an
audio port.
Currently limited to gain control.

Bug: 14815883.

Change-Id: Ic1b268e5ba5c277e9f5b8fa63c81dd7c0b250024

services/audiopolicy/AudioPolicyService.h

diff --git a/services/audiopolicy/AudioPolicyService.h b/services/audiopolicy/AudioPolicyService.h
index a579d1d..40f589b 100644
--- a/services/audiopolicy/AudioPolicyService.h
+++ b/services/audiopolicy/AudioPolicyService.h
@@ -166,6 +166,9 @@
                                       int delayMs);
             status_t clientReleaseAudioPatch(audio_patch_handle_t handle,
                                              int delayMs);
+            virtual status_t clientSetAudioPortConfig(const struct audio_port_config *config,
+                                                      int delayMs);
+
             void removeNotificationClient(uid_t uid);
             void onAudioPortListUpdate();
             void doOnAudioPortListUpdate();
@@ -200,7 +203,8 @@
             CREATE_AUDIO_PATCH,
             RELEASE_AUDIO_PATCH,
             UPDATE_AUDIOPORT_LIST,
-            UPDATE_AUDIOPATCH_LIST
+            UPDATE_AUDIOPATCH_LIST,
+            SET_AUDIOPORT_CONFIG,
         };
 
         AudioCommandThread (String8 name, const wp<AudioPolicyService>& service);
@@ -234,7 +238,8 @@
                                                          int delayMs);
                     void        updateAudioPortListCommand();
                     void        updateAudioPatchListCommand();
-
+                    status_t    setAudioPortConfigCommand(const struct audio_port_config *config,
+                                                          int delayMs);
                     void        insertCommand_l(AudioCommand *command, int delayMs = 0);
 
     private:
@@ -312,6 +317,11 @@
             audio_patch_handle_t mHandle;
         };
 
+        class SetAudioPortConfigData : public AudioCommandData {
+        public:
+            struct audio_port_config mConfig;
+        };
+
         Mutex   mLock;
         Condition mWaitWorkCV;
         Vector < sp<AudioCommand> > mAudioCommands; // list of pending commands
@@ -465,6 +475,9 @@
         virtual status_t releaseAudioPatch(audio_patch_handle_t handle,
                                            int delayMs);
 
+        /* Set audio port configuration */
+        virtual status_t setAudioPortConfig(const struct audio_port_config *config, int delayMs);
+
         virtual void onAudioPortListUpdate();
         virtual void onAudioPatchListUpdate();