Comment corrections, no code change

output_i2s_f32.cpp

@@ -658,6 +658,10 @@ void AudioOutputI2S_F32::update(void)
         //Serial.print("AudioOutputI2S_F32: audio_block_samples = ");
         //Serial.println(audio_block_samples);
 
+        // Optional scaling for easy volume control.  Leave outputScale==1.0f for default
+        if(outputScale<1.0f || outputScale>1.0f)
+           arm_scale_f32 (block_f32->data, outputScale, block_f32->data, block_f32->length);
+
         //scale F32 to Int32
         //block_f32_scaled = AudioStream_F32::allocate_f32();
         //scale_f32_to_i32(block_f32->data, block_f32_scaled->data, audio_block_samples);
@@ -696,8 +700,13 @@ void AudioOutputI2S_F32::update(void)
     }
 
     block_f32_scaled = block2_f32_scaled;  //this is simply renaming the pre-allocated buffer
+
     block_f32 = receiveReadOnly_f32(1); // input 1 = right channel
     if (block_f32) {
+        // Optional scaling for easy volume control.  Leave outputScale==1.0f for default
+        if(outputScale<1.0f || outputScale>1.0f)
+           arm_scale_f32 (block_f32->data, outputScale, block_f32->data, block_f32->length);
+
         //scale F32 to Int32
         //block_f32_scaled = AudioStream_F32::allocate_f32();
         //scale_f32_to_i32(block_f32->data, block_f32_scaled->data, audio_block_samples);