Formatting and lcd contrast masking

Marlin/dogm_lcd_implementation.h

@@ -308,7 +308,6 @@ static void lcd_implementation_status_screen() {
   #if HAS_FAN
     int per = ((fanSpeed + 1) * 100) / 256;
     if (per) {
-
       lcd_print(itostr3(per));
       lcd_print('%');
     }

Marlin/ultralcd.cpp

@@ -968,8 +968,7 @@ static void lcd_control_volumetric_menu() {
   static void lcd_set_contrast() {
     if (encoderPosition != 0) {
       lcd_contrast -= encoderPosition;
-    if (lcd_contrast < 0) lcd_contrast = 0;
-    else if (lcd_contrast > 63) lcd_contrast = 63;
+      lcd_contrast &= 0x3F;
       encoderPosition = 0;
       lcdDrawUpdate = 1;
       u8g.setContrast(lcd_contrast);
@@ -1003,10 +1002,12 @@ static void lcd_control_retract_menu() {
 #endif // FWRETRACT
 
 #if SDCARDDETECT == -1
+
   static void lcd_sd_refresh() {
     card.initsd();
     currentMenuViewOffset = 0;
   }
+
 #endif
 
 static void lcd_sd_updir() {
@@ -1031,11 +1032,12 @@ void lcd_sdcard_menu() {
 
   for (uint16_t i = 0; i < fileCnt; i++) {
     if (_menuItemNr == _lineNr) {
-      #ifndef SDCARD_RATHERRECENTFIRST
-        card.getfilename(i);
-      #else
-        card.getfilename(fileCnt-1-i);
+      card.getfilename(
+        #ifdef SDCARD_RATHERRECENTFIRST
+          fileCnt-1 -
         #endif
+        i
+      );
       if (card.filenameIsDir)
         MENU_ITEM(sddirectory, MSG_CARD_MENU, card.filename, card.longFilename);
       else
@@ -1456,7 +1458,7 @@ void lcd_reset_alert_level() { lcd_status_message_level = 0; }
 
 #ifdef DOGLCD
   void lcd_setcontrast(uint8_t value) {
-    lcd_contrast = value & 63;
+    lcd_contrast = value & 0x3F;
     u8g.setContrast(lcd_contrast);
   }
 #endif