  * Digits Selects the display to dim, 4 = 4 digit display and all others = 6 digit display
  * PWM    Sets the dimming level, not very linear. 0x80 = full intensity, 0x00 is off
  */
-void IS31FL3730_Display_Dimming (int Digits, byte PWM) {
+void setDisplayBrightness (int Digits, byte PWM) {
   // Probably should rewrite to allow a user setting in percentage, so an integer and 0 to 100 map to 0 to 128.  
   // Anything above 100 would be clamped to the max useful register value of 128 (0x80).
 

  Wire.write(0x6D); // Digit 5 value
  Wire.write(0x7D); // Digit 6 value (far right)
  Wire.endTransmission();
  // Now transfer the data from the temporary registers to the display registers
  delay(1); // is this needed?
  Wire.beginTransmission(IS31FL3730_DIGIT_6_I2C_ADDRESS);
  Wire.write(IS31FL3730_Update_Column_Register); // Update Column Register
  Wire.write(0x00); // Any value should work (value ignored)

  Wire.write(0x10); // Digit 5 value
  Wire.write(0x20); // Digit 6 value (far right)
  Wire.endTransmission();
  
  // Now transfer the data from the temporary registers to the display registers
  Wire.beginTransmission(IS31FL3730_DIGIT_6_I2C_ADDRESS);
  Wire.write(IS31FL3730_Update_Column_Register); // Update Column Register
  Wire.write(0x00); // Any value should work (value ignored)
