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[media] mn88472: implement lock for all delivery systems 

The increase of the lock timeout is needed for dvb-t2.

Signed-off-by: Benjamin Larsson <benjamin@southpole.se>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
wifi-calibration
Benjamin Larsson 2015-03-15 19:57:50 -03:00 committed by Mauro Carvalho Chehab
parent 46cf707482
commit ba6d6d8a06
1 changed files with 20 additions and 4 deletions
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24
drivers/staging/media/mn88472/mn88472.c
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@ -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;