Fix Fan 0 responding to all fan speeds (#13444)

2019-03-24 04:00:31 +00:00
parent 5eeffab5e5
commit a8fa275dc6
2 changed files with 3 additions and 3 deletions
--- a/Marlin/src/gcode/temperature/M106_M107.cpp
+++ b/Marlin/src/gcode/temperature/M106_M107.cpp
@ -58,8 +58,8 @@ void GcodeSuite::M106() {
      const uint16_t t = parser.intval('T');
      if (t > 0) return thermalManager.set_temp_fan_speed(p, t);
    #endif
-
-    uint16_t s = parser.ushortval('S', 255);
+    uint16_t d = parser.seen('A') ? thermalManager.fan_speed[active_extruder] : 255;
+    uint16_t s = parser.ushortval('S', d);
    NOMORE(s, 255U);

    thermalManager.set_fan_speed(p, s);