Digital Audio Amp I2S no sound

 Wire.beginTransmission(byte(0xD4));  //   device address for writing
    Wire.write(byte(0x21));                                          // register address
    wire.write(byte(1000000));                                  // set bit 7 (clear WARN) high; set bits [6:0] low
    wire.endTransmission();                                       // end transmission

#include <Wire.h>

#define tas
#define clrWARN 3   // button to clear WARN pin
#define readTAS 2   // button to read TAS6422 registers over i2c
#define led1  8     // LED1
#define led2  9     // LED2

// variables will change:
int clrWARNs = 0;         // State variable for reading the button used to clear latched WARN pin
int readTASs = 0;         // State variable for reading the button used to command i2c read


void setup() {
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(clrWARN, INPUT);
  pinMode(readTAS, INPUT);
 
  Wire.begin();
  Serial.begin(9600);
  Serial.println("TAS6422 Diagnostics");
 
}


void loop() {
  clrWARNs = digitalRead(clrWARN);
 
  readTASs = digitalRead(readTAS);
 
  if (clrWARNs == HIGH) {
    digitalWrite(led1, HIGH);
    Wire.beginTransmission(byte(0xD4));
    Wire.write(byte(0x21));
    Wire.write(byte(1000000));

  
    delay(500);

  }
  else {
digitalWrite(led1, LOW);
  }

  if (readTASs == HIGH) {
    digitalWrite(led2, HIGH);
    Wire.requestFrom(1, 8);   // Ask slave#1 for 8 bytes

    while (Wire.available()) {
        char c = Wire.read();
        Serial.println(c);
        delay(500);
    }
  }
  else {
    digitalWrite(led2, LOW);
  }


 
}