diff --git a/Android.mk b/Android.mk
index 3f778ac..99e52a4 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,6 +1,10 @@
+BT_VENDOR_PATH := $(call my-dir)
+
+ifeq ($(BT_VENDOR_PATH),$(call project-path-for,bt-vendor))
+
 # TODO:  Find a better way to separate build configs for ADP vs non-ADP devices
 ifneq ($(TARGET_BOARD_AUTO),true)
-  ifneq ($(filter msm8960 msm8x27 msm8226,$(TARGET_BOARD_PLATFORM)),)
+  ifneq ($(filter msm8960 msm8x27 msm8974 msm8226,$(TARGET_BOARD_PLATFORM)),)
     include $(call all-named-subdir-makefiles,msm8960)
   else
     ifneq ($(filter msm8994 msm8992,$(TARGET_BOARD_PLATFORM)),)
@@ -17,3 +21,5 @@
     endif
   endif
 endif
+
+endif
diff --git a/msm8992/libbt-vendor/Android.mk b/msm8992/libbt-vendor/Android.mk
index ee4c0b8..70f5bb9 100644
--- a/msm8992/libbt-vendor/Android.mk
+++ b/msm8992/libbt-vendor/Android.mk
@@ -69,6 +69,9 @@
 LOCAL_MODULE_CLASS := SHARED_LIBRARIES
 LOCAL_MODULE_OWNER := qcom
 
+ifneq ($(BOARD_ANT_WIRELESS_DEVICE),)
+LOCAL_CFLAGS += -DENABLE_ANT
+endif
 #LOCAL_CFLAGS += -DREAD_BT_ADDR_FROM_PROP
 
 #include $(LOCAL_PATH)/vnd_buildcfg.mk
diff --git a/msm8992/libbt-vendor/include/bt_vendor_qcom.h b/msm8992/libbt-vendor/include/bt_vendor_qcom.h
index cf7d9e9..156d6c0 100644
--- a/msm8992/libbt-vendor/include/bt_vendor_qcom.h
+++ b/msm8992/libbt-vendor/include/bt_vendor_qcom.h
@@ -41,6 +41,10 @@
     BT_SOC_RESERVED
 }bt_soc_type;
 
+typedef enum {
+    BT_VND_OP_ANT_USERIAL_OPEN = 254,
+    BT_VND_OP_ANT_USERIAL_CLOSE
+}ant_serial;
 
 extern bt_vendor_callbacks_t *bt_vendor_cbacks;
 /* HW_NEED_END_WITH_HCI_RESET