add description for CS4265 initialize.

Src/freertos.c

@@ -226,12 +226,13 @@ void CS4265_init(void)
 {
   uint8_t ret;
   uint8_t addr[] = {
-    0x00, 0x00, 0x08, 0x18, 0x10, 0x00, 0x40, 0x00, 
-    0x00, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-    0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00
+    0x00, 0x00/*power up*/, 0x08, 0x18/*Left-Justified*/,
+    0x10/*Left-Justified*/, 0x00/*MCLK Divider 1*/, 0x40, 0x00, 
+    0x00, 0x19, 0x00/*max vol*/, 0x00/*max vol*/, 0x00, 0x00, 
+    0x00, 0x00, 0x00, 0x00, 0x60, 0x00, 0x00, 0x00, 0x00
   };
 
-  HAL_Delay(100);
+  HAL_Delay(100); //wait CS4265 power up
 
   for(int i=2;i<0x14;i++)
   {