The new m88ds3101b demodulator version requires the highest bit of
register 0x11 be cleared after tuning to a new frequency to make the
lock output pin go high when a signal is found. This pin is normally
connected to an indicator led.
Signed-off-by: Michael Bunk <micha@xxxxxxxxxxxx>
---
drivers/media/dvb-frontends/m88ds3103.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c
index bce0f42f3d19..b5e3b4b81350 100644
--- a/drivers/media/dvb-frontends/m88ds3103.c
+++ b/drivers/media/dvb-frontends/m88ds3103.c
@@ -1000,6 +1000,13 @@ static int m88ds3103_set_frontend(struct dvb_frontend *fe)
if (ret)
goto err;
+ if (dev->chiptype == M88DS3103_CHIPTYPE_3103B) {
+ /* to light up the LOCK led */
+ ret = m88ds3103_update_bits(dev, 0x11, 0x80, 0x00);
+ if (ret)
+ goto err;
+ }
+
dev->delivery_system = c->delivery_system;
return 0;
--
2.34.1
