Menu items for Separate NeoPixel (#19280)

Marlin/src/feature/leds/leds.cpp

@@ -183,7 +183,17 @@ void LEDLights::set_color(const LEDColor &incol
                             : neo2.Color(incol.r, incol.g, incol.b, incol.w);
     neo2.set_brightness(incol.i);
     neo2.set_color(neocolor);
+  
+    #if ENABLED(LED_CONTROL_MENU)
+      // Don't update the color when OFF
+      lights_on = !incol.is_off();
+      if (lights_on) color = incol;
+    #endif
   }
+    
+  #if ENABLED(LED_CONTROL_MENU)
+    void LEDLights2::toggle() { if (lights_on) set_off(); else update(); }
+  #endif
 
 #endif  // NEOPIXEL2_SEPARATE
 

Marlin/src/feature/leds/leds.h

@@ -240,7 +240,7 @@ extern LEDLights leds;
       static inline void set_violet()   { set_color(LEDColorViolet()); }
     #endif
 
-    #if ENABLED(LED_CONTROL_MENU)
+    #if ENABLED(NEOPIXEL2_SEPARATE)
       static LEDColor color; // last non-off color
       static bool lights_on; // the last set color was "on"
       static void toggle();  // swap "off" with color