fix(two way and single way of optek link):

fix issue--slave  recv err data

@@ -405,7 +405,7 @@ void app_dac_receive_pcm_enable(U8 con)
 			if (optek_link_mode == GAME_HEADPHONE_PT7P5MS_T7R3E || optek_link_mode == BC_SF48K_PT7P5MS)
 		    	DMA_Channel2_Init(pDmaDest, pDmaSrc, 16*11+48, DmaSel);
 		    else		
-				DMA_Channel2_Init(pDmaDest, pDmaSrc, 16*6+48, DmaSel);
+				DMA_Channel2_Init(pDmaDest, pDmaSrc, 16*5+48, DmaSel);
 			#endif	
 		}
 	}