Only supported modulation for DVB-S is QPSK. Modulation parameter
contains invalid value for DVB-S on some cases, which leads driver
refusing tuning attempt. Due to that, hard code modulation to QPSK
in case of DVB-S.
Cc: sta...@vger.kernel.org
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
drivers/media/dvb-frontends/tda10071.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/media/dvb-frontends/tda10071.c
b/drivers/media/dvb-frontends/tda10071.c
index 522fe00..49874e7 100644
--- a/drivers/media/dvb-frontends/tda10071.c
+++ b/drivers/media/dvb-frontends/tda10071.c
@@ -668,6 +668,7 @@ static int tda10071_set_frontend(struct dvb_frontend *fe)
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret, i;
u8 mode, rolloff, pilot, inversion, div;
+ fe_modulation_t modulation;
dev_dbg(&priv->i2c->dev,
"%s: delivery_system=%d modulation=%d frequency=%d
symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
@@ -702,10 +703,13 @@ static int tda10071_set_frontend(struct dvb_frontend *fe)
switch (c->delivery_system) {
case SYS_DVBS:
+ modulation = QPSK;
rolloff = 0;
pilot = 2;
break;
case SYS_DVBS2:
+ modulation = c->modulation;
+
switch (c->rolloff) {
case ROLLOFF_20:
rolloff = 2;
@@ -750,7 +754,7 @@ static int tda10071_set_frontend(struct dvb_frontend *fe)
for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
- c->modulation == TDA10071_MODCOD[i].modulation &&
+ modulation == TDA10071_MODCOD[i].modulation &&
c->fec_inner == TDA10071_MODCOD[i].fec) {
mode = TDA10071_MODCOD[i].val;
dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n",
--
1.9.3
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