Bad news. It does lock for DVB-C now, but DVB-T nor DVB-T2 does not lock.
regards
Antti
On 03/18/2015 11:37 PM, Benjamin Larsson wrote:
Signed-off-by: Benjamin Larsson <benjamin@xxxxxxxxxxxx>
---
drivers/staging/media/mn88473/mn88473.c | 50 +++++++++++++++++++++++++++++++--
1 file changed, 48 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/media/mn88473/mn88473.c b/drivers/staging/media/mn88473/mn88473.c
index a23e59e..196fcd6 100644
--- a/drivers/staging/media/mn88473/mn88473.c
+++ b/drivers/staging/media/mn88473/mn88473.c
@@ -167,7 +167,10 @@ static int mn88473_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct i2c_client *client = fe->demodulator_priv;
struct mn88473_dev *dev = i2c_get_clientdata(client);
+ struct dtv_frontend_properties *c = &fe->dtv_property_cache;
int ret;
+ unsigned int utmp;
+ int lock = 0;
*status = 0;
@@ -176,8 +179,51 @@ static int mn88473_read_status(struct dvb_frontend *fe, fe_status_t *status)
goto err;
}
- *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
- FE_HAS_SYNC | FE_HAS_LOCK;
+ switch (c->delivery_system) {
+ case SYS_DVBT:
+ ret = regmap_read(dev->regmap[0], 0x62, &utmp);
+ if (ret)
+ goto err;
+ if (utmp & 0xA0) {
+ if ((utmp & 0xF) >= 0x03)
+ *status |= FE_HAS_SIGNAL;
+ if ((utmp & 0xF) >= 0x09)
+ lock = 1;
+ }
+ break;
+ case SYS_DVBT2:
+ ret = regmap_read(dev->regmap[2], 0x8B, &utmp);
+ if (ret)
+ goto err;
+ if (utmp & 0x40) {
+ 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], 0x85, &utmp);
+ if (ret)
+ goto err;
+ if (!(utmp & 0x40)) {
+ ret = regmap_read(dev->regmap[1], 0x89, &utmp);
+ if (ret)
+ goto err;
+ if (utmp & 0x01)
+ lock = 1;
+ }
+ break;
+ default:
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (lock)
+ *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
+ FE_HAS_SYNC | FE_HAS_LOCK;
return 0;
err:
--
http://palosaari.fi/
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