Followup to AUTO_REPORT_SD_STATUS

Followup to #9832

Marlin/Configuration_adv.h

@@ -1411,6 +1411,11 @@
 #define AUTO_REPORT_TEMPERATURES
 
 /**
+ * Auto-report SdCard status with M27 S<seconds>
+ */
+//#define AUTO_REPORT_SD_STATUS
+
+/**
  * Include capabilities in M115 output
  */
 #define EXTENDED_CAPABILITIES_REPORT

Marlin/src/gcode/gcode.h

@@ -85,7 +85,7 @@
  * M24  - Start/resume SD print. (Requires SDSUPPORT)
  * M25  - Pause SD print. (Requires SDSUPPORT)
  * M26  - Set SD position in bytes: "M26 S12345". (Requires SDSUPPORT)
- * M27  - Report SD print status. (Requires SDSUPPORT) With 'S<seconds>' sets the SD status auto-report interval. (Requires AUTO_REPORT_SD_STATUS)
+ * M27  - Report SD print status. (Requires SDSUPPORT) Or, with 'S<seconds>' set the SD status auto-report interval. (Requires AUTO_REPORT_SD_STATUS)
  * M28  - Start SD write: "M28 /path/file.gco". (Requires SDSUPPORT)
  * M29  - Stop SD write. (Requires SDSUPPORT)
  * M30  - Delete file from SD: "M30 /path/file.gco"

Marlin/src/gcode/sdcard/M20-M30_M32-M34_M928.cpp

@@ -107,22 +107,24 @@ void GcodeSuite::M26() {
 }
 
 /**
- * M27: Get SD Card status
+ * M27: Get SD Card status or set the SD status auto-report interval.
  */
 void GcodeSuite::M27() {
-  card.getStatus(
-    #if NUM_SERIAL > 1
-      command_queue_port[cmd_queue_index_r]
-    #endif
-  );
   #if ENABLED(AUTO_REPORT_SD_STATUS)
-  if (parser.seenval('S'))
-    card.set_auto_report_interval(parser.value_byte()
-      #if NUM_SERIAL > 1
-        , command_queue_port[cmd_queue_index_r]
-      #endif
-    );
+    if (parser.seenval('S')) {
+      card.set_auto_report_interval(parser.value_byte()
+        #if NUM_SERIAL > 1
+          , command_queue_port[cmd_queue_index_r]
+        #endif
+      );
+    }
+    else
   #endif
+      card.getStatus(
+        #if NUM_SERIAL > 1
+          command_queue_port[cmd_queue_index_r]
+        #endif
+      );
 }
 
 /**