audio policy: use audio_devices_t when appropriate

Change-Id: I1b3a5879e81c789fb53d356af3d3a1ee2dca955f

6 files changed, 11 insertions, 9 deletions

diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 89bc95d..e20f1fd 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -185,7 +185,7 @@ public:
                                          audio_devices_t device);
 
     static uint32_t getStrategyForStream(audio_stream_type_t stream);
-    static uint32_t getDevicesForStream(audio_stream_type_t stream);
+    static audio_devices_t getDevicesForStream(audio_stream_type_t stream);
 
     static audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc);
     static status_t registerEffect(effect_descriptor_t *desc,
diff --git a/include/media/IAudioPolicyService.h b/include/media/IAudioPolicyService.h
index bdd7747..04c927a 100644
--- a/include/media/IAudioPolicyService.h
+++ b/include/media/IAudioPolicyService.h
@@ -79,7 +79,7 @@ public:
                                           int *index,
                                           audio_devices_t device) = 0;
     virtual uint32_t getStrategyForStream(audio_stream_type_t stream) = 0;
-    virtual uint32_t getDevicesForStream(audio_stream_type_t stream) = 0;
+    virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream) = 0;
     virtual audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc) = 0;
     virtual status_t registerEffect(effect_descriptor_t *desc,
                                     audio_io_handle_t io,
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index ec4c044..404853c 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -701,10 +701,10 @@ uint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream)
     return aps->getStrategyForStream(stream);
 }
 
-uint32_t AudioSystem::getDevicesForStream(audio_stream_type_t stream)
+audio_devices_t AudioSystem::getDevicesForStream(audio_stream_type_t stream)
 {
     const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
-    if (aps == 0) return 0;
+    if (aps == 0) return (audio_devices_t)0;
     return aps->getDevicesForStream(stream);
 }
 
diff --git a/media/libmedia/IAudioPolicyService.cpp b/media/libmedia/IAudioPolicyService.cpp
index 99385aa..da7c124 100644
--- a/media/libmedia/IAudioPolicyService.cpp
+++ b/media/libmedia/IAudioPolicyService.cpp
@@ -267,13 +267,13 @@ public:
         return reply.readInt32();
     }
 
-    virtual uint32_t getDevicesForStream(audio_stream_type_t stream)
+    virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream)
     {
         Parcel data, reply;
         data.writeInterfaceToken(IAudioPolicyService::getInterfaceDescriptor());
         data.writeInt32(static_cast <uint32_t>(stream));
         remote()->transact(GET_DEVICES_FOR_STREAM, data, &reply);
-        return (uint32_t) reply.readInt32();
+        return (audio_devices_t) reply.readInt32();
     }
 
     virtual audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc)
diff --git a/services/audioflinger/AudioPolicyService.cpp b/services/audioflinger/AudioPolicyService.cpp
index 753b1d2..62768bf 100644
--- a/services/audioflinger/AudioPolicyService.cpp
+++ b/services/audioflinger/AudioPolicyService.cpp
@@ -432,10 +432,12 @@ uint32_t AudioPolicyService::getStrategyForStream(audio_stream_type_t stream)
     return mpAudioPolicy->get_strategy_for_stream(mpAudioPolicy, stream);
 }
 
-uint32_t AudioPolicyService::getDevicesForStream(audio_stream_type_t stream)
+//audio policy: use audio_device_t appropriately
+
+audio_devices_t AudioPolicyService::getDevicesForStream(audio_stream_type_t stream)
 {
     if (mpAudioPolicy == NULL) {
-        return 0;
+        return (audio_devices_t)0;
     }
     return mpAudioPolicy->get_devices_for_stream(mpAudioPolicy, stream);
 }
diff --git a/services/audioflinger/AudioPolicyService.h b/services/audioflinger/AudioPolicyService.h
index 962c917..e41d51e 100644
--- a/services/audioflinger/AudioPolicyService.h
+++ b/services/audioflinger/AudioPolicyService.h
@@ -95,7 +95,7 @@ public:
                                           audio_devices_t device);
 
     virtual uint32_t getStrategyForStream(audio_stream_type_t stream);
-    virtual uint32_t getDevicesForStream(audio_stream_type_t stream);
+    virtual audio_devices_t getDevicesForStream(audio_stream_type_t stream);
 
     virtual audio_io_handle_t getOutputForEffect(effect_descriptor_t *desc);
     virtual status_t registerEffect(effect_descriptor_t *desc,