hal: Support config selection for playback on speaker

Support bit width selection for playback on speakers based on
platform info.
Change-Id: I8dd2cc7049186e7468615a43db550d7d580a81d1

hal: add support for source tracking feature
Change-Id: I019b22d6541e6d1a10552d808c3320a998b86e48

hal: Add source tracking support for bear family PLs
Change-Id: Ib455933c14fd4cb920ab5e19d879a48ef61686a3

hal: Add provision to select backend based on codec type
Change-Id: I9c0dd7d952ab9d6b9bf738074d97597622e09590

Change-Id: I9c0dd7d952ab9d6b9bf738074d97597622e09590
diff --git a/msm8909/hal/Android.mk b/msm8909/hal/Android.mk
index 18d1f32..1aeedaf 100644
--- a/msm8909/hal/Android.mk
+++ b/msm8909/hal/Android.mk
@@ -195,6 +195,11 @@
 endif
 
 
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_SOURCE_TRACKING)),true)
+    LOCAL_CFLAGS += -DSOURCE_TRACKING_ENABLED
+    LOCAL_SRC_FILES += audio_extn/source_track.c
+endif
+
 LOCAL_SHARED_LIBRARIES := \
 	liblog \
 	libcutils \