diff --git a/drivers/media/dvb/frontends/lnbp21.c b/drivers/media/dvb/frontends/lnbp21.c
index 49d2b1c16119..13437259eeac 100644
--- a/drivers/media/dvb/frontends/lnbp21.c
+++ b/drivers/media/dvb/frontends/lnbp21.c
@@ -158,7 +158,7 @@ static struct dvb_frontend *lnbx2x_attach(struct dvb_frontend *fe,
 	/* override frontend ops */
 	fe->ops.set_voltage = lnbp21_set_voltage;
 	fe->ops.enable_high_lnb_voltage = lnbp21_enable_high_lnb_voltage;
-	if (!fe->ops.set_tone) /* don't redefine */
+	if (!(override_clear & LNBH24_TEN)) /*22kHz logic controlled by demod*/
 		fe->ops.set_tone = lnbp21_set_tone;
 	printk(KERN_INFO "LNBx2x attached on addr=%x\n", lnbp21->i2c_addr);