+VALID_MATRIX_TYPES := yes IS31FL3731 IS31FL3733 IS31FL3737 WS2812 custom
+
+LED_MATRIX_ENABLE ?= no
+ifneq ($(strip $(LED_MATRIX_ENABLE)), no)
+ ifeq ($(filter $(LED_MATRIX_ENABLE),$(VALID_MATRIX_TYPES)),)
+ $(error LED_MATRIX_ENABLE="$(LED_MATRIX_ENABLE)" is not a valid matrix type)
+ else
+ OPT_DEFS += -DLED_MATRIX_ENABLE -DBACKLIGHT_ENABLE -DBACKLIGHT_CUSTOM_DRIVER
+ SRC += $(QUANTUM_DIR)/led_matrix.c
+ SRC += $(QUANTUM_DIR)/led_matrix_drivers.c
+ endif
+endif
+
+ifeq ($(strip $(LED_MATRIX_ENABLE)), IS31FL3731)
+ OPT_DEFS += -DIS31FL3731
+ COMMON_VPATH += $(DRIVER_PATH)/issi
+ SRC += is31fl3731-simple.c
+ QUANTUM_LIB_SRC += i2c_master.c
+endif
+