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Subject: media: m88ds3103: Fix lock led support Author: Michael Bunk <mi...@freedict.org> Date: Sun Jan 16 11:22:35 2022 +0000 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. Link: https://lore.kernel.org/linux-media/20220116112238.74171-1-mi...@freedict.org Signed-off-by: Michael Bunk <mi...@freedict.org> Signed-off-by: Mauro Carvalho Chehab <mche...@kernel.org> 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 e0272054fca5..389548fa2e0c 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;
