feat(radio): allow disabling USB charge while the radio is running (on compatible hardware) (#7564)

Co-authored-by: 3djc <3djc@gh.com>
Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
Co-authored-by: Peter Feerick <5500713+pfeerick@users.noreply.github.com>
Co-authored-by: Peter Feerick <peter.feerick@gmail.com>

radio/src/gui/colorlcd/radio/radio_setup.cpp

@@ -966,6 +966,23 @@ const static SetupLineDef setupLines[] = {
                 GET_SET_DEFAULT(g_eeGeneral.USBMode));
     }
   },
+#if defined(USB_CHARGE_CONTROL)
+  {
+    // Charge while radio on
+    STR_DEF(STR_USB_CHARGE),
+    [](Window* parent, coord_t x, coord_t y) {
+      new ToggleSwitch(parent, {x, y, 0, 0},
+                       GET_INVERTED(g_eeGeneral.usbChargeDisabled),
+                       [](uint8_t newValue) {
+                         g_eeGeneral.usbChargeDisabled = !newValue;
+                         SET_DIRTY();
+                         // take effect now, not only on the next plug
+                         if (usbPlugged())
+                           usbChargerEnableCharge(!g_eeGeneral.usbChargeDisabled);
+                       });
+    }
+  },
+#endif
 #if defined(ROTARY_ENCODER_NAVIGATION) && !defined(USE_HATS_AS_KEYS)
   {
     STR_DEF(STR_ROTARY_ENC_MODE),