ASoC: allow drivers to compile both static and dynamic

Based on where the code is synced the driver should allow
both static and dynamic linked compilation.
Also remove __exit for modules loaded from another common
init/exit functions.

Change-Id: Ib58f152002aba3af4446f9bbd9b82c279212bd0a
Signed-off-by: Asish Bhattacharya <asishb@codeaurora.org>
diff --git a/dsp/Kbuild b/dsp/Kbuild
index 8772085..306a25a 100644
--- a/dsp/Kbuild
+++ b/dsp/Kbuild
@@ -1,22 +1,33 @@
 # We can build either as part of a standalone Kernel build or as
 # an external module.  Determine which mechanism is being used
-KERNEL_BUILD := 0
+ifeq ($(MODNAME), )
+	KERNEL_BUILD := 1
+else
+	KERNEL_BUILD := 0
+endif
 
-
-ifeq ($(KERNEL_BUILD), 0)
+ifeq ($(KERNEL_BUILD), 1)
 	# These are configurable via Kconfig for kernel-based builds
 	# Need to explicitly configure for Android-based builds
+	AUDIO_BLD_DIR := $(ANDROID_BUILD_TOP)/kernel/msm-4.9
+	AUDIO_ROOT := $(AUDIO_BLD_DIR)/techpack/audio
+endif
+
+ifeq ($(KERNEL_BUILD), 0)
 	ifeq ($(CONFIG_ARCH_SDM845), y)
 		include $(AUDIO_ROOT)/config/sdm845auto.conf
 		export
+		INCS    +=  -include $(AUDIO_ROOT)/config/sdm845autoconf.h
 	endif
 	ifeq ($(CONFIG_ARCH_SDM670), y)
 		include $(AUDIO_ROOT)/config/sdm670auto.conf
 		export
+		INCS    +=  -include $(AUDIO_ROOT)/config/sdm670autoconf.h
 	endif
 endif
 
 
+
 # As per target team, build is done as follows:
 # Defconfig : build with default flags
 # Slub      : defconfig  + CONFIG_SLUB_DEBUG := y +
@@ -43,10 +54,9 @@
 
 ############ QDSP6V2 ############
 
-ifeq ($(CONFIG_SND_SOC_MSM_QDSP6V2_INTF), m)
+ifdef CONFIG_SND_SOC_MSM_QDSP6V2_INTF
 	Q6_OBJS += audio_calibration.o
 	Q6_OBJS += audio_cal_utils.o
-	Q6_OBJS += msm-dts-srs-tm-config.o
 	Q6_OBJS += q6adm.o
 	Q6_OBJS += q6afe.o
 	Q6_OBJS += q6asm.o
@@ -61,34 +71,31 @@
 	Q6_OBJS += avtimer.o
 	Q6_OBJS += q6_init.o
 endif
-ifeq ($(CONFIG_MSM_ADSP_LOADER), m)
+ifdef CONFIG_DTS_SRS_TM
+	Q6_OBJS += msm-dts-srs-tm-config.o
+endif
+
+ifdef CONFIG_MSM_ADSP_LOADER
 ADSP_LOADER_OBJS += adsp-loader.o
 endif
 
-ifeq ($(CONFIG_MSM_QDSP6_NOTIFIER), m)
+ifdef CONFIG_MSM_QDSP6_NOTIFIER
 QDSP6_NOTIFIER_OBJS += audio_notifier.o audio_ssr.o
 endif
 
-ifeq ($(CONFIG_MSM_QDSP6_PDR), m)
+ifdef CONFIG_MSM_QDSP6_PDR
 QDSP6_PDR_OBJS += audio_pdr.o
 endif
 
-ifeq ($(CONFIG_MSM_ULTRASOUND), m)
+ifdef CONFIG_MSM_ULTRASOUND
 USF_OBJS += usf.o usfcdev.o q6usm.o
 endif
 
 LINUX_INC +=	-Iinclude/linux
 
-INCS :=		$(COMMON_INC) \
+INCS +=		$(COMMON_INC) \
 		$(UAPI_INC)
 
-ifeq ($(CONFIG_ARCH_SDM845), y)
-INCS    +=  -include $(AUDIO_ROOT)/config/sdm845autoconf.h
-endif
-ifeq ($(CONFIG_ARCH_SDM670), y)
-INCS    +=  -include $(AUDIO_ROOT)/config/sdm670autoconf.h
-endif
-
 EXTRA_CFLAGS += $(INCS)
 
 
@@ -128,7 +135,13 @@
 CDEFINES += -DMULTI_IF_NAME=\"$(CHIP_NAME)\"
 endif
 
+ifeq ($(KERNEL_BUILD), 0)
 KBUILD_EXTRA_SYMBOLS +=$(OUT)/obj/vendor/qcom/opensource/audio-kernel/ipc/Module.symvers
+endif
+
+ifeq ($(KERNEL_BUILD), 1)
+	obj-y += codecs/
+endif
 
 obj-$(CONFIG_SND_SOC_MSM_QDSP6V2_INTF) += q6_dlkm.o
 q6_dlkm-y := $(Q6_OBJS)