cur_dir := $(dir $(lastword $(MAKEFILE_LIST)))
obj-y := $(patsubst $(cur_dir)%,%,$(wildcard $(cur_dir)*.c $(cur_dir)*.S))
obj-y := $(obj-y:.c=.o)
obj-y := $(obj-y:.S=.o)
CFLAGS_codec_$(CHIP).o += $(CODEC_INT_CFG_FLAGS)