✨ Optional HOST_STATUS_NOTIFICATIONS (#22833)

Marlin/src/gcode/control/M111.cpp

@@ -22,12 +22,20 @@
 
 #include "../gcode.h"
 
+#if ENABLED(HOST_ACTION_COMMANDS)
+  #include "../../feature/host_actions.h"
+#endif
+
 /**
  * M111: Set the debug level
  */
 void GcodeSuite::M111() {
   if (parser.seenval('S')) marlin_debug_flags = parser.value_byte();
 
+  #if EITHER(HOST_ACTION_COMMANDS, HOST_PROMPT_SUPPORT)
+    if (parser.seenval('H')) hostui.flag.bits = parser.value_byte();
+  #endif
+
   static PGMSTR(str_debug_1, STR_DEBUG_ECHO);
   static PGMSTR(str_debug_2, STR_DEBUG_INFO);
   static PGMSTR(str_debug_4, STR_DEBUG_ERRORS);