diff --git a/src/main/drivers/max7456.c b/src/main/drivers/max7456.c
index ca0c8d5890..63c3e6f71e 100755
--- a/src/main/drivers/max7456.c
+++ b/src/main/drivers/max7456.c
@@ -205,7 +205,7 @@ void max7456ReInit(void)
     uint8_t maxScreenRows;
     uint8_t srdata = 0;
     uint16_t x;
-    static uint8_t firstInit = 1;
+    static bool firstInit = true;
 
     //do not init MAX before camera power up correctly
     if (millis() < 1500)
@@ -249,7 +249,7 @@ void max7456ReInit(void)
     if (firstInit)
     {
         max7456RefreshAll();
-        firstInit = 0;
+        firstInit = false;
     }
 }
 
@@ -327,10 +327,8 @@ void max7456DrawScreen(void)
 
         //------------   end of (re)init-------------------------------------
 
-        for (k=0; k< MAX_CHARS2UPDATE; k++)
-        {
-            if (screenBuffer[pos] != shadowBuffer[pos])
-            {
+        for (k=0; k< MAX_CHARS2UPDATE; k++) {
+            if (screenBuffer[pos] != shadowBuffer[pos]) {
                 spiBuff[buff_len++] = MAX7456ADD_DMAH;
                 spiBuff[buff_len++] = pos >> 8;
                 spiBuff[buff_len++] = MAX7456ADD_DMAL;
diff --git a/src/main/drivers/max7456.h b/src/main/drivers/max7456.h
index 1a6276357a..6663b12934 100755
--- a/src/main/drivers/max7456.h
+++ b/src/main/drivers/max7456.h
@@ -35,15 +35,15 @@
 #define VM1_REG   0x01
 
 // video mode register 0 bits
-#define VIDEO_BUFFER_DISABLE 0x01
-#define MAX7456_RESET 0x02
-#define VERTICAL_SYNC_NEXT_VSYNC 0x04
-#define OSD_ENABLE 0x08
-#define SYNC_MODE_AUTO 0x00
-#define SYNC_MODE_INTERNAL 0x30
-#define SYNC_MODE_EXTERNAL 0x20
-#define VIDEO_MODE_PAL 0x40
-#define VIDEO_MODE_NTSC 0x00
+#define VIDEO_BUFFER_DISABLE        0x01
+#define MAX7456_RESET               0x02
+#define VERTICAL_SYNC_NEXT_VSYNC    0x04
+#define OSD_ENABLE                  0x08
+#define SYNC_MODE_AUTO              0x00
+#define SYNC_MODE_INTERNAL          0x30
+#define SYNC_MODE_EXTERNAL          0x20
+#define VIDEO_MODE_PAL              0x40
+#define VIDEO_MODE_NTSC             0x00
 
 // video mode register 1 bits
 
diff --git a/src/main/io/osd.c b/src/main/io/osd.c
index 3c24f2b8f3..1fdbb2507d 100755
--- a/src/main/io/osd.c
+++ b/src/main/io/osd.c
@@ -1143,7 +1143,7 @@ void updateOsd(void)
     static uint32_t counter;
 #ifdef MAX7456_DMA_CHANNEL_TX
     // don't touch buffers if DMA transaction is in progress
-    if (max7456_dma_in_progres())
+    if (max7456DmaInProgres())
         return;
 #endif // MAX7456_DMA_CHANNEL_TX