diff --git a/ddbridge/ddbridge-sx8.c b/ddbridge/ddbridge-sx8.c
index d0bc3ba..2b627fd 100644
--- a/ddbridge/ddbridge-sx8.c
+++ b/ddbridge/ddbridge-sx8.c
@@ -397,7 +397,7 @@ unlock:
 
 
 static int start_iq(struct dvb_frontend *fe, u32 flags,
-		    u32 roll_off, u32 ts_config)
+		    u32 ts_config)
 {
 	struct sx8 *state = fe->demodulator_priv;
 	struct mci_base *mci_base = state->mci.base;
@@ -424,7 +424,7 @@ static int start_iq(struct dvb_frontend *fe, u32 flags,
 		state->mci.demod = 0;
 		sx8_base->tuner_use_count[input]++;
 		sx8_base->iq_mode = 2;
-		mci_set_tuner(fe, input, 1, flags & 0xff, 0);
+		mci_set_tuner(fe, input, 1, flags & 0xff, 0x40);
 	} else {
 		if ((state->iq_started & 0x07) != state->mci.nr) {
 			stat = -EBUSY;
@@ -438,7 +438,8 @@ unlock:
 	memset(&cmd, 0, sizeof(cmd));
 	cmd.command = SX8_CMD_START_IQ;
 	cmd.sx8_start_iq.flags = (flags >> 16) & 0xff;
-	cmd.sx8_start_iq.roll_off = roll_off;
+	cmd.sx8_start_iq.roll_off = 5;
+	//cmd.sx8_start_iq.roll_off = ro_lut[p->rolloff & 7];
 	cmd.sx8_start_iq.frequency = p->frequency * 1000;
 	cmd.sx8_start_iq.symbol_rate = p->symbol_rate;
 	cmd.sx8_start_iq.gain = (flags >> 8) & 0xff;
@@ -503,7 +504,7 @@ static int set_parameters(struct dvb_frontend *fe)
 		}
 		stat = start(fe, 3, mask, ts_config);
 	} else {
-		stat = start_iq(fe, isi & 0xffffff, 4, ts_config);
+		stat = start_iq(fe, isi & 0xffffff, ts_config);
 	}
 	mutex_unlock(&state->lock);
 	return stat;