MISDN_CTRL_HFC_ECHOCAN_OFF 3664 drivers/isdn/hardware/mISDN/hfcmulti.c 	case MISDN_CTRL_HFC_ECHOCAN_OFF:
MISDN_CTRL_HFC_ECHOCAN_OFF  104 drivers/isdn/mISDN/dsp_hwec.c 	cq.op = MISDN_CTRL_HFC_ECHOCAN_OFF;