CPU_CCK_LOOPBACK  747 drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c 			ulRegRead |= CPU_CCK_LOOPBACK;
CPU_CCK_LOOPBACK 2723 drivers/staging/rtl8192u/r8192U_core.c 		dwRegRead |= CPU_CCK_LOOPBACK;