Index: firmware/App/Drivers/RotaryValve.c
===================================================================
diff -u -r1500c2a584e9e9ce0ffcd32727c0b9e7cdd141b6 -reef24091316f7c4b5717e72fef7ca06e58fc174a
--- firmware/App/Drivers/RotaryValve.c	(.../RotaryValve.c)	(revision 1500c2a584e9e9ce0ffcd32727c0b9e7cdd141b6)
+++ firmware/App/Drivers/RotaryValve.c	(.../RotaryValve.c)	(revision eef24091316f7c4b5717e72fef7ca06e58fc174a)
@@ -133,6 +133,7 @@
 {
     if ( valve < NUM_OF_VALVES )
     {
+        // TODO this line is not needed because the positions are calculated in the homing
         U16 mag8 = ( ( mag % ROTARY_VALVE_MICROSTEP_FRACTION ) < 4 ? ( mag >> 3 ) << 3 : ( ( mag >> 3 ) << 3 ) + ROTARY_VALVE_MICROSTEP_FRACTION );   // round to multiple of 8 to maximize holding torque
         S16 chgSteps = (S16)mag8 * ( MOTOR_DIR_REVERSE == dir ? -1 : 1 );                 // convert to signed change in position - negative value indicates reverse direction