fix mic dac init volume

sw_usb_audio/app_usb_aud_phaten_golden_6ch/src/extensions/audiohw.xc

@@ -534,6 +534,8 @@ void button_task(chanend c_hidSendData, chanend cc_mic_level, chanend c_uac_vol,
         else
             save_value(dac_vol_path, (unsigned char)dac_level); // 出厂默认15(-14dB)
     }
+
+    codec_init();
     // 同步全局音量变量与从Flash恢复的dac_level / codec_adc_pga_gain_reg_value
     g_volume_level = dac_level;
     // 麦克风HID范围上限37 (register=38的+1.5dB仅firmware内部使用)
@@ -582,7 +584,6 @@ void button_task(chanend c_hidSendData, chanend cc_mic_level, chanend c_uac_vol,
 
     unsigned hidData0;
     delay_milliseconds(200);
-    codec_init();
 
     debug_printf("button task start\n");