add MCA in multiplexer preset

id11/tdxrd/presets.py

@@ -95,6 +95,7 @@ class CountMuxPreset(ChainPreset):
         self.opmux.switch("CAM2", "ON")
         self.opmux.switch("CAM3", "ON")
         self.opmux.switch("CAM4", "ON")
+        self.opmux.switch("MCA1", "ON")
 
     def start(self, chain):
         if self.soft_fsh:
@@ -131,6 +132,7 @@ class FScanMuxPreset(ScanPreset):
             self.opmux.switch("MUSST", "ATRIG")
         else:
             self.opmux.switch("MUSST", "BTRIG")
+        self.opmux.switch("MCA1", "ON")
 
         for dev in self.limadevs:
             cam_mux = CAM2MUX[dev.name]