diff options
| author | Antti Palosaari <crope@iki.fi> | 2016-08-12 16:58:05 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-09-22 10:42:21 -0300 |
| commit | d51dc917616c6c52daeeea3f93418f48f484ade5 (patch) | |
| tree | 4b3ec6a0627ba340d4ca17f38356350e57929885 /drivers/media/dvb-frontends/cxd2820r_t2.c | |
| parent | c98975f92c1d488b273f10edfc6c48bab1c6e046 (diff) | |
[media] cxd2820r: improve lock detection
Check demod and ts locks and report lock status according to those.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/dvb-frontends/cxd2820r_t2.c')
| -rw-r--r-- | drivers/media/dvb-frontends/cxd2820r_t2.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/media/dvb-frontends/cxd2820r_t2.c b/drivers/media/dvb-frontends/cxd2820r_t2.c index 939a68d808f8..4a6fbf8d242b 100644 --- a/drivers/media/dvb-frontends/cxd2820r_t2.c +++ b/drivers/media/dvb-frontends/cxd2820r_t2.c @@ -293,25 +293,29 @@ int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status) struct dtv_frontend_properties *c = &fe->dtv_property_cache; struct i2c_client *client = priv->client[0]; int ret; - unsigned int utmp; + unsigned int utmp, utmp1, utmp2; u8 buf[4]; - *status = 0; + /* Lock detection */ ret = cxd2820r_rd_reg(priv, 0x02010 , &buf[0]); if (ret) goto error; - if ((buf[0] & 0x07) == 6) { - if (((buf[0] >> 5) & 0x01) == 1) { - *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | - FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; - } else { - *status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | - FE_HAS_VITERBI | FE_HAS_SYNC; - } + utmp1 = (buf[0] >> 0) & 0x07; + utmp2 = (buf[0] >> 5) & 0x01; + + if (utmp1 == 6 && utmp2 == 1) { + *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | + FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; + } else if (utmp1 == 6 || utmp2 == 1) { + *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | + FE_HAS_VITERBI | FE_HAS_SYNC; + } else { + *status = 0; } - dev_dbg(&client->dev, "lock=%*ph\n", 1, buf); + dev_dbg(&client->dev, "status=%02x raw=%*ph sync=%u ts=%u\n", + *status, 1, buf, utmp1, utmp2); /* Signal strength */ if (*status & FE_HAS_SIGNAL) { |