commit 075842f2ff6967b34b3c146c3393ce01d6de6db1
author Uday Kishore Pasupuleti <upasupul@codeaurora.org> Tue Jul 28 15:18:31 2015 -0700
committer Prashant Malani <pmalani@google.com> Thu Jul 30 16:32:03 2015 -0700
tree e6abc9aa2d0de1b8e271f62d679a383891c6affc
parent c809543db27eb159ffaf2f80aea8d122d65ff784

Hal: Support an external BT chip for HFP

When using an external BT chip, AUXPCM is used for audio in/out between
bt chip and audio codec. In that case, AUXCPM Hostless should be used
instead of INT_BT_HFP Hostless

Change-Id: I73ad8d67031885a194da6d3a5b08ef462cb33374
Signed-off-by: Uday Kishore Pasupuleti <upasupul@codeaurora.org>

hal/Android.mk

diff --git a/hal/Android.mk b/hal/Android.mk
index 0d931c1..076faed 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -60,6 +60,10 @@
     LOCAL_SRC_FILES += audio_extn/hfp.c
 endif
 
+ifeq ($(strip $(AUDIO_FEATURE_SUPPORTED_EXTERNAL_BT)),true)
+    LOCAL_CFLAGS += -DEXTERNAL_BT_SUPPORTED
+endif
+
 ifeq ($(strip $(AUDIO_FEATURE_NO_AUDIO_OUT)),true)
     LOCAL_CFLAGS += -DNO_AUDIO_OUT
 endif

hal/msm8974/platform.h

diff --git a/hal/msm8974/platform.h b/hal/msm8974/platform.h
index 5b7068b..efc3bb1 100644
--- a/hal/msm8974/platform.h
+++ b/hal/msm8974/platform.h
@@ -210,7 +210,11 @@
 
 #define HFP_PCM_RX 5
 #ifdef PLATFORM_MSM8x26
-#define HFP_SCO_RX 28
+#ifdef EXTERNAL_BT_SUPPORTED
+#define HFP_SCO_RX 10 // AUXPCM Hostless
+#else
+#define HFP_SCO_RX 28 // INT_HFP_BT Hostless
+#endif
 #define HFP_ASM_RX_TX 29
 #else
 #define HFP_SCO_RX 23