hal: initial setup for bengal

Change-Id: I0d3b908937fdeb3d6b0a5677646e1876ef4ab06b
diff --git a/hal/Android.mk b/hal/Android.mk
index 959b01a..202518a 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -1,6 +1,5 @@
 ifneq ($(AUDIO_USE_STUB_HAL), true)
 ifeq ($(strip $(BOARD_USES_ALSA_AUDIO)),true)
-
 LOCAL_PATH := $(call my-dir)
 
 include $(CLEAR_VARS)
@@ -92,6 +91,7 @@
 ifneq ($(filter bengal,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_BENGAL
   LOCAL_CFLAGS += -DMAX_TARGET_SPECIFIC_CHANNEL_CNT="4"
+  LOCAL_CFLAGS += -DINCALL_STEREO_CAPTURE_ENABLED
 endif
 ifneq ($(filter atoll,$(TARGET_BOARD_PLATFORM)),)
   LOCAL_CFLAGS := -DPLATFORM_ATOLL