message: Quad: Tweak comments
diff: @@ -53,7 +53,7 @@ uint16_t AudioOutputI2SQuad_F32::ch3_offset = 0;
  uint16_t AudioOutputI2SQuad_F32::ch4_offset = 0;
  //audio_block_f32_t * AudioOutputI2SQuad_F32::inputQueueArray[4];
  bool AudioOutputI2SQuad_F32::update_responsibility = false;
  -DMAMEM static uint32_t i2s_tx_buffer[AUDIO_BLOCK_SAMPLES*2]; //pack 2 int16s into 1 int32 to make dense, so 4 channels = 4*(audio_block_samples/2)
  +DMAMEM static uint32_t i2s_tx_buffer[AUDIO_BLOCK_SAMPLES/2*4]; //pack 2 int16s into 1 int32 to make dense, so that 4 channels = 4*(audio_block_samples/2)
  DMAChannel AudioOutputI2SQuad_F32::dma(false);
  //static const uint32_t zerodata[AUDIO_BLOCK_SAMPLES/4] = {0};
  @@ -106,7 +106,7 @@ void AudioOutputI2SQuad_F32::begin(void)
  dma.attachInterrupt(isr);
  // change the I2S frequencies to make the requested sample rate
  - AudioOutputI2S_F32::setI2SFreq(AudioOutputI2SQuad_F32::sample_rate_Hz);
  + //AudioOutputI2S_F32::setI2SFreq(AudioOutputI2SQuad_F32::sample_rate_Hz);
  enabled = 1;
  #endif
  @@ -142,7 +142,7 @@ void AudioOutputI2SQuad_F32::isr(void)
  // DMA is transmitting the first half of the buffer
  // so we must fill the second half
  //dest = (int16_t *)&i2s_tx_buffer[AUDIO_BLOCK_SAMPLES]; //orig
  - dest = (int16_t *)&i2s_tx_buffer[audio_block_samples]; //new
  + dest = (int16_t *)(&i2s_tx_buffer[audio_block_samples]); //new
  if (AudioOutputI2SQuad_F32::update_responsibility) AudioStream_F32::update_all();
  } else {
  dest = (int16_t *)i2s_tx_buffer;
  