diff --git a/firmware/keyboard.c b/firmware/keyboard.c
index 19739f7..651eb6d 100644
--- a/firmware/keyboard.c
+++ b/firmware/keyboard.c
@@ -21,11 +21,17 @@
 #define CMD_IEEREAD 8 // int. eep.
 #define CMD_SETBLOCK 9
 #define CMD_SETLED 10
+#define CMD_SETBRIGHTNESS 12
+#define CMD_GETBRIGHTNESS 13
 
 #define IEE_ADDR_DEFAULT_BRIGHTNESS 0
 #define IEE_ADDR_DEFAULT_BLOCK 4
 
+#define BLOCKCODE_RERENDER 254
+#define BLOCKCODE_RELOAD 253
+
 volatile int change_block = 255;
+volatile uint8_t brightness = 1;
 
 const uint8_t PROGMEM gamma8[] = {
         0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
@@ -103,6 +109,14 @@ USB_PUBLIC uchar usbFunctionSetup(uchar data[8])
 		change_block = rq->wValue.bytes[0];
 		return 0;
 	}
+	else if (rq->bRequest == CMD_SETBRIGHTNESS) {
+		brightness = rq->wValue.bytes[0];
+		return 0;
+	}
+	else if(rq->bRequest == CMD_GETBRIGHTNESS) {
+		reportBuffer[0] = brightness;
+		return 1;
+	}
 	else if (rq->bRequest == CMD_SETLED) {
 		led[rq->wValue.bytes[0]].r = rq->wValue.bytes[1];
 		led[rq->wValue.bytes[0]].g = rq->wIndex.bytes[0];
@@ -126,7 +140,6 @@ void keyboard(void) {
 	enum enum_state next_state = IDLE;
 	uint8_t i;
 	uint16_t factor = 1;
-	uint8_t brightness = 1;
 	uint8_t key = 0;
 	uint16_t loadAddress;
 	uint16_t loadCount;
@@ -177,10 +190,12 @@ void keyboard(void) {
 		switch (state) {
 		case IDLE:
 			if (change_block != 255) {
-				if (change_block == 254) {
+				if (change_block == BLOCKCODE_RERENDER) {
 					state = RENDER;
 					next_state = IDLE;
 				} else {
+					if (change_block = BLOCKCODE_RELOAD)
+						change_block = current_block;
 					loadAddress_ld = (change_block) * LEDS_PER_SLOT * 3;
 					state = PREP_LOAD;
 					next_state = IDLE;