diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c
index 598e334..db620f0 100644
--- a/drivers/media/dvb/frontends/stb0899_drv.c
+++ b/drivers/media/dvb/frontends/stb0899_drv.c
@@ -251,7 +251,6 @@
 		dprintk(verbose, FE_ERROR, 1, "Reg=[0x%02x], data=%02x",
 			reg, buf);
 
-
 	return (unsigned int)buf;
 }
 
@@ -812,6 +811,13 @@
 	int rc;
 	struct stb0899_state *state = fe->demodulator_priv;
 
+	if ((rc = stb0899_write_reg(state, STB0899_SYNTCTRL, STB0899_SELOSCI)))
+		return rc;
+	/* Activate all clocks; DVB-S2 registers are inaccessible otherwise. */
+	if ((rc = stb0899_write_reg(state, STB0899_STOPCLK1, 0x00)))
+		return rc;
+	if ((rc = stb0899_write_reg(state, STB0899_STOPCLK2, 0x00)))
+		return rc;
 
 	return 0;
 }
@@ -1825,7 +1831,6 @@
 		dprintk(verbose, FE_DEBUG, 1, "Get DSS params");
 		params->delsys.dss.symbol_rate		= internal->srate;
 		params->delsys.dss.modulation		= DVBFE_MOD_QPSK;
-
 		break;
 	case DVBFE_DELSYS_DVBS2:
 		dprintk(verbose, FE_DEBUG, 1, "Get DVB-S2 params");