DTMF_TONE_MASK   1510 drivers/isdn/hardware/mISDN/mISDNisar.c 		if ((hh->id == 0) && ((*val & ~DTMF_TONE_MASK) ==
DTMF_TONE_MASK   1513 drivers/isdn/hardware/mISDN/mISDNisar.c 				char tt = *val & DTMF_TONE_MASK;