diff options
Diffstat (limited to 'drivers/media/dvb-frontends/si2165.c')
| -rw-r--r-- | drivers/media/dvb-frontends/si2165.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c index 1cd2120f5dc4..ceb5a2bb0dea 100644 --- a/drivers/media/dvb-frontends/si2165.c +++ b/drivers/media/dvb-frontends/si2165.c @@ -794,6 +794,17 @@ static int si2165_read_status(struct dvb_frontend *fe, enum fe_status *status) return 0; } +static int si2165_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + + if (c->cnr.stat[0].scale == FE_SCALE_DECIBEL) + *snr = div_s64(c->cnr.stat[0].svalue, 100); + else + *snr = 0; + return 0; +} + static int si2165_set_oversamp(struct si2165_state *state, u32 dvb_rate) { u64 oversamp; @@ -1111,6 +1122,7 @@ static const struct dvb_frontend_ops si2165_ops = { .set_frontend = si2165_set_frontend, .read_status = si2165_read_status, + .read_snr = si2165_read_snr, }; static int si2165_probe(struct i2c_client *client, |