comment added

wled00/bus_manager.cpp

@@ -532,6 +532,8 @@ BusHub75Matrix::BusHub75Matrix(BusConfig &bc) : Bus(bc.type, bc.start, bc.autoWh
     mxconfig.double_buff = false; // Use our own memory-optimised buffer rather than the driver's own double-buffer  
  
   // mxconfig.driver = HUB75_I2S_CFG::ICN2038S;  // experimental - use specific shift register driver
+  // mxconfig.driver = HUB75_I2S_CFG::FM6124;    // try this driver in case you panel stays dark, or when colors look too pastel
+
   // mxconfig.latch_blanking = 3;
   // mxconfig.i2sspeed = HUB75_I2S_CFG::HZ_10M;  // experimental - 5MHZ should be enugh, but colours looks slightly better at 10MHz
   // mxconfig.min_refresh_rate = 90;