HFC_SPL_LOOP_OFF 3521 drivers/isdn/hardware/mISDN/hfcmulti.c 		case HFC_SPL_LOOP_OFF: /* set silence */
HFC_SPL_LOOP_OFF  444 drivers/isdn/mISDN/dsp_tones.c 				(len) ? HFC_SPL_LOOP_ON : HFC_SPL_LOOP_OFF, len, sample,