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- # We can build either as part of a standalone Kernel build or as
- # an external module. Determine which mechanism is being used
- ifeq ($(MODNAME),)
- KERNEL_BUILD := 1
- else
- KERNEL_BUILD := 0
- endif
- ifeq ($(KERNEL_BUILD), 1)
- # These are configurable via Kconfig for kernel-based builds
- # Need to explicitly configure for Android-based builds
- AUDIO_BLD_DIR := $(shell pwd)/kernel/msm-5.4
- AUDIO_ROOT := $(AUDIO_BLD_DIR)/techpack/audio
- endif
- ifeq ($(KERNEL_BUILD), 0)
- ifeq ($(CONFIG_ARCH_KONA), y)
- include $(AUDIO_ROOT)/config/konaauto.conf
- INCS += -include $(AUDIO_ROOT)/config/konaautoconf.h
- endif
- ifeq ($(CONFIG_ARCH_LITO), y)
- include $(AUDIO_ROOT)/config/litoauto.conf
- export
- INCS += -include $(AUDIO_ROOT)/config/litoautoconf.h
- endif
- ifeq ($(CONFIG_ARCH_WAIPIO), y)
- include $(AUDIO_ROOT)/config/waipioauto.conf
- INCS += -include $(AUDIO_ROOT)/config/waipioautoconf.h
- endif
- endif
- # As per target team, build is done as follows:
- # Defconfig : build with default flags
- # Slub : defconfig + CONFIG_SLUB_DEBUG := y +
- # CONFIG_SLUB_DEBUG_ON := y + CONFIG_PAGE_POISONING := y
- # Perf : Using appropriate msmXXXX-perf_defconfig
- #
- # Shipment builds (user variants) should not have any debug feature
- # enabled. This is identified using 'TARGET_BUILD_VARIANT'. Slub builds
- # are identified using the CONFIG_SLUB_DEBUG_ON configuration. Since
- # there is no other way to identify defconfig builds, QTI internal
- # representation of perf builds (identified using the string 'perf'),
- # is used to identify if the build is a slub or defconfig one. This
- # way no critical debug feature will be enabled for perf and shipment
- # builds. Other OEMs are also protected using the TARGET_BUILD_VARIANT
- # config.
- ############ UAPI ############
- UAPI_DIR := uapi/audio
- UAPI_INC := -I$(AUDIO_ROOT)/include/$(UAPI_DIR)
- ############ COMMON ############
- COMMON_DIR := include
- COMMON_INC := -I$(AUDIO_ROOT)/$(COMMON_DIR)
- ############ WCD938X ############
- # for WCD938X Codec
- ifdef CONFIG_SND_SOC_WCD938X
- WCD938X_OBJS += wcd938x.o
- WCD938X_OBJS += wcd938x-regmap.o
- WCD938X_OBJS += wcd938x-tables.o
- WCD938X_OBJS += wcd938x-mbhc.o
- endif
- ifdef CONFIG_SND_SOC_WCD938X_SLAVE
- WCD938X_SLAVE_OBJS += wcd938x-slave.o
- endif
- LINUX_INC += -Iinclude/linux
- INCS += $(COMMON_INC) \
- $(UAPI_INC)
- EXTRA_CFLAGS += $(INCS)
- CDEFINES += -DANI_LITTLE_BYTE_ENDIAN \
- -DANI_LITTLE_BIT_ENDIAN \
- -DDOT11F_LITTLE_ENDIAN_HOST \
- -DANI_COMPILER_TYPE_GCC \
- -DANI_OS_TYPE_ANDROID=6 \
- -DPTT_SOCK_SVC_ENABLE \
- -Wall\
- -Werror\
- -D__linux__
- KBUILD_CPPFLAGS += $(CDEFINES)
- # Currently, for versions of gcc which support it, the kernel Makefile
- # is disabling the maybe-uninitialized warning. Re-enable it for the
- # AUDIO driver. Note that we must use EXTRA_CFLAGS here so that it
- # will override the kernel settings.
- ifeq ($(call cc-option-yn, -Wmaybe-uninitialized),y)
- EXTRA_CFLAGS += -Wmaybe-uninitialized
- endif
- #EXTRA_CFLAGS += -Wmissing-prototypes
- ifeq ($(call cc-option-yn, -Wheader-guard),y)
- EXTRA_CFLAGS += -Wheader-guard
- endif
- # Module information used by KBuild framework
- obj-$(CONFIG_SND_SOC_WCD938X) += wcd938x_dlkm.o
- wcd938x_dlkm-y := $(WCD938X_OBJS)
- obj-$(CONFIG_SND_SOC_WCD938X_SLAVE) += wcd938x_slave_dlkm.o
- wcd938x_slave_dlkm-y := $(WCD938X_SLAVE_OBJS)
- # inject some build related information
- DEFINES += -DBUILD_TIMESTAMP=\"$(shell date -u +'%Y-%m-%dT%H:%M:%SZ')\"
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