Add dummy backlight/LED functions for keymaps that require them

keyboards/ergodox/ergodone/config.h

@@ -17,6 +17,12 @@
 #define MATRIX_ROWS 6
 #define MATRIX_COLS 14
 
+/* number of backlight levels */
+#define BACKLIGHT_LEVELS 3
+
+#define LED_BRIGHTNESS_LO       15
+#define LED_BRIGHTNESS_HI       255
+
 /* fix space cadet rollover issue */
 #define DISABLE_SPACE_CADET_ROLLOVER
 

keyboards/ergodox/ergodone/ergodone.h

@@ -16,8 +16,17 @@ inline void ergodox_right_led_2_off(void) {}
 inline void ergodox_right_led_2_on(void)                {}
 inline void ergodox_right_led_3_off(void)               {}
 inline void ergodox_right_led_3_on(void)                {}
+inline void ergodox_right_led_on(uint8_t l)             {}
+inline void ergodox_right_led_off(uint8_t l)            {}
 inline void ergodox_board_led_off(void)                 {}
 inline void ergodox_board_led_on(void)                  {}
+inline void ergodox_led_all_on(void)                    {}
+inline void ergodox_led_all_off(void)                   {}
+inline void ergodox_right_led_1_set(uint8_t n)          {}
+inline void ergodox_right_led_2_set(uint8_t n)          {}
+inline void ergodox_right_led_3_set(uint8_t n)          {}
+inline void ergodox_right_led_set(uint8_t l, uint8_t n) {}
+inline void ergodox_led_all_set(uint8_t n)              {}
 
 #define KEYMAP(                                                 \
                                                                 \