diff options
Diffstat (limited to 'drivers/media/dvb-frontends/lgdt3306a.c')
| -rw-r--r-- | drivers/media/dvb-frontends/lgdt3306a.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c index cee9c83e48de..99c6289ae585 100644 --- a/drivers/media/dvb-frontends/lgdt3306a.c +++ b/drivers/media/dvb-frontends/lgdt3306a.c @@ -1685,7 +1685,10 @@ static int lgdt3306a_read_signal_strength(struct dvb_frontend *fe, case QAM_256: case QAM_AUTO: /* need to know actual modulation to set proper SNR baseline */ - lgdt3306a_read_reg(state, 0x00a6, &val); + ret = lgdt3306a_read_reg(state, 0x00a6, &val); + if (lg_chkerr(ret)) + goto fail; + if(val & 0x04) ref_snr = 2800; /* QAM-256 28dB */ else |