hal: Add feature flag for daemon support

Use DAEMON_SUPPORT_AUTO flag in hal to call client
libraries of acdb-loader and audio-hal-plugin daemons.

Change-Id: I77a2bb325fdd2441860b0b27f2632414837e64de
diff --git a/hal/Android.mk b/hal/Android.mk
index 42f26bf..4cc91a2 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -126,6 +126,10 @@
   LOCAL_CFLAGS += -DPLATFORM_AUTO
 endif
 
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_DAEMON_SUPPORT)), true)
+  LOCAL_CFLAGS += -DDAEMON_SUPPORT_AUTO
+endif
+
 LOCAL_CFLAGS += -Wno-macro-redefined
 
 LOCAL_HEADER_LIBRARIES := libhardware_headers
diff --git a/hal/acdb.h b/hal/acdb.h
index 10a78d3..e1ab942 100644
--- a/hal/acdb.h
+++ b/hal/acdb.h
@@ -24,7 +24,13 @@
 #include <linux/msm_audio_calibration.h>
 
 #define MAX_CVD_VERSION_STRING_SIZE 100
+
+#ifdef DAEMON_SUPPORT_AUTO
+#define LIB_ACDB_LOADER "libacdbloaderclient.so"
+#else
 #define LIB_ACDB_LOADER "libacdbloader.so"
+#endif
+
 #define CVD_VERSION_MIXER_CTL "CVD Version"
 #define ACDB_METAINFO_KEY_MODULE_NAME_LEN 100
 
diff --git a/hal/audio_extn/Android.mk b/hal/audio_extn/Android.mk
index eaf8926..4c1b5ef 100644
--- a/hal/audio_extn/Android.mk
+++ b/hal/audio_extn/Android.mk
@@ -493,6 +493,10 @@
     -Wno-unused-function \
     -Wno-unused-variable
 
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_DAEMON_SUPPORT)), true)
+  LOCAL_CFLAGS += -DDAEMON_SUPPORT_AUTO
+endif
+
 LOCAL_SHARED_LIBRARIES := \
     libaudioroute \
     libaudioutils \
diff --git a/hal/audio_extn/ext_hw_plugin.c b/hal/audio_extn/ext_hw_plugin.c
index 5c78caa..141e7d2 100644
--- a/hal/audio_extn/ext_hw_plugin.c
+++ b/hal/audio_extn/ext_hw_plugin.c
@@ -62,7 +62,11 @@
 };
 
 /* This can be defined in platform specific file or use compile flag */
+#ifdef DAEMON_SUPPORT_AUTO
+#define LIB_PLUGIN_DRIVER "libaudiohalpluginclient.so"
+#else
 #define LIB_PLUGIN_DRIVER "libaudiohalplugin.so"
+#endif
 
 void* ext_hw_plugin_init(struct audio_device *adev, ext_hw_plugin_init_config_t init_config)
 {
diff --git a/hal/msm8974/platform.c b/hal/msm8974/platform.c
index 7ff3873..0ad24ac 100644
--- a/hal/msm8974/platform.c
+++ b/hal/msm8974/platform.c
@@ -100,7 +100,12 @@
 #define TOSTRING_(x) #x
 #define TOSTRING(x) TOSTRING_(x)
 
+#ifdef DAEMON_SUPPORT_AUTO
+#define LIB_ACDB_LOADER "libacdbloaderclient.so"
+#else
 #define LIB_ACDB_LOADER "libacdbloader.so"
+#endif
+
 #define CVD_VERSION_MIXER_CTL "CVD Version"
 
 #define FLAC_COMPRESS_OFFLOAD_FRAGMENT_SIZE (256 * 1024)