Add audio support
Change-Id: Ia4ea3e9a21c283515daac46a0a0409fa3d44b176
diff --git a/audio/audio_route.h b/audio/audio_route.h
new file mode 100644
index 0000000..31355dd
--- /dev/null
+++ b/audio/audio_route.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef AUDIO_ROUTE_H
+#define AUDIO_ROUTE_H
+
+/* Initialises and frees the audio routes */
+struct audio_route *audio_route_init(void);
+void audio_route_free(struct audio_route *ar);
+
+/* Applies an audio route path by name */
+void audio_route_apply_path(struct audio_route *ar, const char *name);
+
+/* Resets the mixer back to its initial state */
+void reset_mixer_state(struct audio_route *ar);
+
+/* Updates the mixer with any changed values */
+void update_mixer_state(struct audio_route *ar);
+
+#endif