+ifeq ($(strip $(RGB_MATRIX_ENABLE)), yes)
+ RGB_MATRIX_ENABLE = IS31FL3731
+endif
+
+ifeq ($(strip $(RGB_MATRIX_ENABLE)), IS31FL3731)
+ OPT_DEFS += -DIS31FL3731 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+ COMMON_VPATH += $(DRIVER_PATH)/issi
+ SRC += is31fl3731.c
+ SRC += i2c_master.c
+endif
+
+ifeq ($(strip $(RGB_MATRIX_ENABLE)), IS31FL3733)
+ OPT_DEFS += -DIS31FL3733 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+ COMMON_VPATH += $(DRIVER_PATH)/issi
+ SRC += is31fl3733.c
+ SRC += i2c_master.c
+endif
+
+ifeq ($(strip $(RGB_MATRIX_ENABLE)), IS31FL3737)
+ OPT_DEFS += -DIS31FL3737 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+ COMMON_VPATH += $(DRIVER_PATH)/issi
+ SRC += is31fl3737.c
+ SRC += i2c_master.c
+endif
+
+ifeq ($(strip $(RGB_MATRIX_ENABLE)), WS2812)
+ OPT_DEFS += -DWS2812
+ SRC += ws2812.c
+endif
+