Remove streamType parameter from AudioSystem::getLatency()

Change-Id: Ie7346e93436ddc215cad7d16be555dcb6c277d54
diff --git a/include/media/AudioSystem.h b/include/media/AudioSystem.h
index 28fdfd4..339a2a7 100644
--- a/include/media/AudioSystem.h
+++ b/include/media/AudioSystem.h
@@ -113,7 +113,6 @@
     // returns the audio output stream latency in ms. Corresponds to
     // audio_stream_out->get_latency()
     static status_t getLatency(audio_io_handle_t output,
-                               audio_stream_type_t stream,
                                uint32_t* latency);
 
     static bool routedToA2dpOutput(audio_stream_type_t streamType);
diff --git a/media/libmedia/AudioSystem.cpp b/media/libmedia/AudioSystem.cpp
index 140fb66..758e660 100644
--- a/media/libmedia/AudioSystem.cpp
+++ b/media/libmedia/AudioSystem.cpp
@@ -333,11 +333,10 @@
         return PERMISSION_DENIED;
     }
 
-    return getLatency(output, streamType, latency);
+    return getLatency(output, latency);
 }
 
 status_t AudioSystem::getLatency(audio_io_handle_t output,
-                                 audio_stream_type_t streamType __unused,
                                  uint32_t* latency)
 {
     OutputDescriptor *outputDesc;
@@ -354,7 +353,7 @@
         gLock.unlock();
     }
 
-    ALOGV("getLatency() streamType %d, output %d, latency %d", streamType, output, *latency);
+    ALOGV("getLatency() output %d, latency %d", output, *latency);
 
     return NO_ERROR;
 }
diff --git a/media/libmedia/AudioTrack.cpp b/media/libmedia/AudioTrack.cpp
index 20c1cdb..fa7249b 100644
--- a/media/libmedia/AudioTrack.cpp
+++ b/media/libmedia/AudioTrack.cpp
@@ -878,7 +878,7 @@
     // Not all of these values are needed under all conditions, but it is easier to get them all
 
     uint32_t afLatency;
-    status = AudioSystem::getLatency(output, mStreamType, &afLatency);
+    status = AudioSystem::getLatency(output, &afLatency);
     if (status != NO_ERROR) {
         ALOGE("getLatency(%d) failed status %d", output, status);
         goto release;