V4L/DVB (7070): Fix some tuning problems

The attached patch solves all my vdr tuning problems on a dib7000p
nova-t stick as far as I could check within the last weekend.

It disables streaming while tuning, like that the number of faulty TS
packets is reduced.

Signed-off-by: Soeren Moch <Soeren.Moch@stud.uni-hannover.de>
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c
index f45bcfc51cf8..0396a6f31ef8 100644
--- a/drivers/media/dvb/frontends/dib7000p.c
+++ b/drivers/media/dvb/frontends/dib7000p.c
@@ -1128,8 +1128,9 @@ static int dib7000p_set_frontend(struct dvb_frontend* fe,
                                 struct dvb_frontend_parameters *fep)
 {
         struct dib7000p_state *state = fe->demodulator_priv;
-        int time;
+        int time, ret;
 
+        dib7000p_set_output_mode(state, OUTMODE_HIGH_Z);
         state->current_bandwidth = fep->u.ofdm.bandwidth;
         dib7000p_set_bandwidth(state, BANDWIDTH_TO_KHZ(fep->u.ofdm.bandwidth));
 
@@ -1166,10 +1167,11 @@ static int dib7000p_set_frontend(struct dvb_frontend* fe,
                 dib7000p_get_frontend(fe, fep);
         }
 
+        ret = dib7000p_tune(fe, fep);
+
         /* make this a config parameter */
         dib7000p_set_output_mode(state, OUTMODE_MPEG2_FIFO);
-
-        return dib7000p_tune(fe, fep);
+    return ret;
 }
 
 static int dib7000p_read_status(struct dvb_frontend *fe, fe_status_t *stat)