asoc: update logic for incremental build

Update file search logic for incremental build.

Change-Id: If2f80653cd2229e9bcbb3b97070345f2adfd396c
Signed-off-by: Meng Wang <[email protected]>

Android.mk

@@ -1,12 +1,7 @@
 # Android makefile for audio kernel modules
 
-UAPI_OUT := $(PRODUCT_OUT)/obj/vendor/qcom/opensource/audio-kernel/include
 LOCAL_PATH := $(call my-dir)
 
-ifeq ($(call is-board-platform-in-list,taro), true)
-$(shell rm -rf $(PRODUCT_OUT)/obj/DLKM_OBJ/vendor/qcom/opensource/audio-kernel/Module.symvers)
-endif
-
 ifeq ($(call is-board-platform, taro),true)
 AUDIO_SELECT  := CONFIG_SND_SOC_WAIPIO=m
 endif
@@ -38,10 +33,16 @@ KBUILD_OPTIONS += MODNAME=audio_dlkm
 KBUILD_OPTIONS += BOARD_PLATFORM=$(TARGET_BOARD_PLATFORM)
 KBUILD_OPTIONS += $(AUDIO_SELECT)
 
+AUDIO_SRC_FILES := \
+	$(wildcard $(LOCAL_PATH)/*) \
+	$(wildcard $(LOCAL_PATH)/*/*) \
+	$(wildcard $(LOCAL_PATH)/*/*/*) \
+	$(wildcard $(LOCAL_PATH)/*/*/*/*)
+
 ########################### dsp ################################
 
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := q6_notifier_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := dsp/q6_notifier_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -50,7 +51,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := spf_core_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := dsp/spf_core_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -60,7 +61,7 @@ include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := audpkt_ion_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := dsp/audpkt_ion_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -69,7 +70,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := gpr_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := ipc/gpr_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -78,6 +79,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := audio_pkt_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := ipc/audio_pkt_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -86,7 +88,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := q6_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := dsp/q6_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -95,7 +97,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := adsp_loader_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := dsp/adsp_loader_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -105,7 +107,7 @@ include $(DLKM_DIR)/Build_external_kernelmodule.mk
 
 ########################### ipc  ################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := audio_prm_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := dsp/audio_prm_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -114,7 +116,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := q6_pdr_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := dsp/q6_pdr_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -124,7 +126,7 @@ include $(DLKM_DIR)/Build_external_kernelmodule.mk
 
 ############################ soc ###############################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := pinctrl_lpi_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := soc/pinctrl_lpi_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -133,7 +135,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := swr_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := soc/swr_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -142,7 +144,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := swr_ctrl_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := soc/swr_ctrl_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -151,7 +153,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := snd_event_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := soc/snd_event_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -160,7 +162,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################  ASOC CODEC ################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := wcd_core_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/wcd_core_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -169,7 +171,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := mbhc_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/mbhc_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -178,7 +180,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := swr_dmic_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/swr_dmic_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -187,6 +189,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := wcd9xxx_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/wcd9xxx_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -195,7 +198,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := swr_haptics_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/swr_haptics_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -204,7 +207,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := stub_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/stub_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -213,7 +216,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ########################### ASOC MACHINE ################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := machine_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/machine_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -222,7 +225,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ########################### LPASS-CDC CODEC  ###########################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := lpass_cdc_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/lpass-cdc/lpass_cdc_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -231,7 +234,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := lpass_cdc_wsa2_macro_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/lpass-cdc/lpass_cdc_wsa2_macro_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -240,7 +243,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := lpass_cdc_wsa_macro_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/lpass-cdc/lpass_cdc_wsa_macro_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -249,7 +252,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := lpass_cdc_va_macro_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/lpass-cdc/lpass_cdc_va_macro_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -258,7 +261,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := lpass_cdc_tx_macro_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/lpass-cdc/lpass_cdc_tx_macro_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -267,7 +270,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := lpass_cdc_rx_macro_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/lpass-cdc/lpass_cdc_rx_macro_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -277,7 +280,7 @@ include $(DLKM_DIR)/Build_external_kernelmodule.mk
 
 ########################### WSA883x CODEC  ###########################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := wsa883x_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/wsa883x/wsa883x_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -288,7 +291,7 @@ include $(DLKM_DIR)/Build_external_kernelmodule.mk
 
 ########################### WCD938x CODEC  ################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := wcd938x_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/wcd938x/wcd938x_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -297,7 +300,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := wcd938x_slave_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/wcd938x/wcd938x_slave_dlkm.ko
 LOCAL_MODULE_TAGS         := optional
@@ -306,7 +309,7 @@ LOCAL_MODULE_PATH         := $(KERNEL_MODULES_OUT)
 include $(DLKM_DIR)/Build_external_kernelmodule.mk
 ###########################################################
 include $(CLEAR_VARS)
-LOCAL_SRC_FILES   := $(wildcard $(LOCAL_PATH)/**/*) $(wildcard $(LOCAL_PATH)/*)
+LOCAL_SRC_FILES           := $(AUDIO_SRC_FILES)
 LOCAL_MODULE              := hdmi_dlkm.ko
 LOCAL_MODULE_KBUILD_NAME  := asoc/codecs/hdmi_dlkm.ko
 LOCAL_MODULE_TAGS         := optional