ifeq ($(strip $(KEYBOARD)), crkbd/rev1/common)
BOOTLOADER = atmel-dfu # Elite-C
# Enable underglow only. (Split Common doesn't support RGB matrix on slave.)
RGBLIGHT_ENABLE = yes
else ifeq ($(strip $(KEYBOARD)), crkbd/rev1/legacy)
RGB_MATRIX_ENABLE = yes # per-key RGB and underglow
endif