diff --git a/inc/led.h b/inc/led.h
--- a/inc/led.h
+++ b/inc/led.h
@@ -12,13 +12,16 @@ typedef enum {
 } led_name_t;
 
 void led_init(void);
-void led_start(led_name_t led);
-void led_start_time(led_name_t led, uint16_t time);
+void led_blink(led_name_t led, uint16_t period);
+void led_stop(led_name_t led);
+void led_blink_once(led_name_t led, uint16_t period);
 void led_update(led_name_t led);
 void led_update_all(void);
 void led_set(led_name_t led, bool value);
 void led_toggle(led_name_t led);
+bool led_set_brightness(uint8_t brightness);
 
+bool gpio_set_led_brightness(uint8_t brightness);
 bool gpio_set_led(led_name_t led, bool value);
 bool gpio_toggle_led(led_name_t led);