♻️ Consolidate PSU_CONTROL (#22304)

Marlin/src/lcd/marlinui.cpp

@@ -170,6 +170,10 @@ constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
     #include "../feature/power_monitor.h"
   #endif
 
+  #if ENABLED(PSU_CONTROL) && defined(LED_BACKLIGHT_TIMEOUT)
+    #include "../feature/power.h"
+  #endif
+
   #if HAS_ENCODER_ACTION
     volatile uint8_t MarlinUI::buttons;
     #if HAS_SLOW_BUTTONS
@@ -838,8 +842,8 @@ constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
     static uint16_t max_display_update_time = 0;
     millis_t ms = millis();
 
-    #ifdef LED_BACKLIGHT_TIMEOUT
-      leds.update_timeout(powersupply_on);
+    #if ENABLED(PSU_CONTROL) && defined(LED_BACKLIGHT_TIMEOUT)
+      leds.update_timeout(powerManager.psu_on);
     #endif
 
     #if HAS_LCD_MENU
@@ -988,8 +992,8 @@ constexpr uint8_t epps = ENCODER_PULSES_PER_STEP;
 
           refresh(LCDVIEW_REDRAW_NOW);
 
-          #ifdef LED_BACKLIGHT_TIMEOUT
-            if (!powersupply_on) leds.reset_timeout(ms);
+          #if ENABLED(PSU_CONTROL) && defined(LED_BACKLIGHT_TIMEOUT)
+            if (!powerManager.psu_on) leds.reset_timeout(ms);
           #endif
         }
 

Marlin/src/lcd/menu/menu_led.cpp

@@ -30,6 +30,10 @@
 
 #include "menu_item.h"
 
+#if ENABLED(PSU_CONTROL)
+  #include "../../feature/power.h"
+#endif
+
 #if ENABLED(LED_CONTROL_MENU)
   #include "../../feature/leds/leds.h"
 
@@ -125,12 +129,7 @@ void menu_led() {
   BACK_ITEM(MSG_MAIN);
 
   #if ENABLED(LED_CONTROL_MENU)
-    #if ENABLED(PSU_CONTROL)
-      extern bool powersupply_on;
-    #else
-      constexpr bool powersupply_on = true;
-    #endif
-    if (powersupply_on) {
+    if (TERN1(PSU_CONTROL, powerManager.psu_on)) {
       editable.state = leds.lights_on;
       EDIT_ITEM(bool, MSG_LEDS, &editable.state, leds.toggle);
     }

Marlin/src/lcd/menu/menu_main.cpp

@@ -35,6 +35,10 @@
 #include "../../module/stepper.h"
 #include "../../sd/cardreader.h"
 
+#if ENABLED(PSU_CONTROL)
+  #include "../../feature/power.h"
+#endif
+
 #if HAS_GAMES && DISABLED(LCD_INFO_MENU)
   #include "game/game.h"
 #endif
@@ -385,7 +389,7 @@ void menu_main() {
   // Switch power on/off
   //
   #if ENABLED(PSU_CONTROL)
-    if (powersupply_on)
+    if (powerManager.psu_on)
       #if ENABLED(PS_OFF_CONFIRM)
         CONFIRM_ITEM(MSG_SWITCH_PS_OFF,
           MSG_YES, MSG_NO,