Force backlight on when led matrix is enabled

common_features.mk

@@ -120,11 +120,12 @@ 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)
-endif
-    OPT_DEFS += -DLED_MATRIX_ENABLE
+    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 $(LED_MATRIX_ENABLE)), IS31FL3731)
     OPT_DEFS += -DIS31FL3731
@@ -212,9 +213,6 @@ ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
     ifeq ($(strip $(BACKLIGHT_CUSTOM_DRIVER)), yes)
         OPT_DEFS += -DBACKLIGHT_CUSTOM_DRIVER
     endif
-    ifeq ($(filter $(LED_MATRIX_ENABLE),$(VALID_MATRIX_TYPES)),)
-        OPT_DEFS += -DBACKLIGHT_CUSTOM_DRIVER
-    endif
 endif
 
 ifeq ($(strip $(CIE1931_CURVE)), yes)