diff --git a/[refs] b/[refs]
index 4ff3029e2bc8..d3045f7e6c1a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 63b5c1c47fd6c5ae26d279756e8a050c721ea379
+refs/heads/master: 4b2bd30eb79c292a83b1dfd3cca6d435c02fd5c0
diff --git a/trunk/drivers/media/dvb/bt8xx/dst.c b/trunk/drivers/media/dvb/bt8xx/dst.c
index d8f4200065ee..9bd12832e3d9 100644
--- a/trunk/drivers/media/dvb/bt8xx/dst.c
+++ b/trunk/drivers/media/dvb/bt8xx/dst.c
@@ -1147,7 +1147,11 @@ static int dst_set_tone(struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
 
 	switch (tone) {
 		case SEC_TONE_OFF:
-			state->tx_tuna[2] = 0xff;
+			if (state->type_flags & DST_TYPE_HAS_OBS_REGS)
+			    state->tx_tuna[2] = 0x00;
+			else
+			    state->tx_tuna[2] = 0xff;
+
 			break;
 
 		case SEC_TONE_ON: