diff mbox series

[1/4] media: m88ds3103: Fix lock led support

Message ID 20220116112238.74171-1-micha@freedict.org (mailing list archive)
State Accepted, archived
Headers
Series [1/4] media: m88ds3103: Fix lock led support |

Commit Message

Michael Bunk Jan. 16, 2022, 11:22 a.m. UTC 
  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@freedict.org>
---
 drivers/media/dvb-frontends/m88ds3103.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

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;