From ba6d6d8a06c323782badf8cbead6e4ec1c742235 Mon Sep 17 00:00:00 2001 From: Benjamin Larsson Date: Sun, 15 Mar 2015 19:57:50 -0300 Subject: [PATCH] [media] mn88472: implement lock for all delivery systems The increase of the lock timeout is needed for dvb-t2. Signed-off-by: Benjamin Larsson Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/media/mn88472/mn88472.c | 24 ++++++++++++++++++++---- 1 file changed, 20 insertions(+), 4 deletions(-) diff --git a/drivers/staging/media/mn88472/mn88472.c b/drivers/staging/media/mn88472/mn88472.c index 219a7d1db8d4..6f0cac44d273 100644 --- a/drivers/staging/media/mn88472/mn88472.c +++ b/drivers/staging/media/mn88472/mn88472.c @@ -19,7 +19,7 @@ static int mn88472_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *s) { - s->min_delay_ms = 400; + s->min_delay_ms = 800; return 0; } @@ -201,6 +201,7 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status) struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret; unsigned int utmp; + int lock = 0; *status = 0; @@ -211,21 +212,36 @@ static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status) switch (c->delivery_system) { case SYS_DVBT: + ret = regmap_read(dev->regmap[0], 0x7F, &utmp); + if (ret) + goto err; + if ((utmp & 0xF) >= 0x09) + lock = 1; + break; case SYS_DVBT2: - /* FIXME: implement me */ - utmp = 0x08; /* DVB-C lock value */ + ret = regmap_read(dev->regmap[2], 0x92, &utmp); + if (ret) + goto err; + if ((utmp & 0xF) >= 0x07) + *status |= FE_HAS_SIGNAL; + if ((utmp & 0xF) >= 0x0a) + *status |= FE_HAS_CARRIER; + if ((utmp & 0xF) >= 0x0d) + *status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; break; case SYS_DVBC_ANNEX_A: ret = regmap_read(dev->regmap[1], 0x84, &utmp); if (ret) goto err; + if ((utmp & 0xF) >= 0x08) + lock = 1; break; default: ret = -EINVAL; goto err; } - if (utmp == 0x08) + if (lock) *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; -- 2.39.5