diff options
Diffstat (limited to 'drivers/media/dvb-frontends/ds3000.c')
| -rw-r--r-- | drivers/media/dvb-frontends/ds3000.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c index d128f85844e..335daeff91b 100644 --- a/drivers/media/dvb-frontends/ds3000.c +++ b/drivers/media/dvb-frontends/ds3000.c @@ -533,6 +533,15 @@ static int ds3000_read_ber(struct dvb_frontend *fe, u32* ber) return 0; } +static int ds3000_read_signal_strength(struct dvb_frontend *fe, + u16 *signal_strength) +{ + if (fe->ops.tuner_ops.get_rf_strength) + fe->ops.tuner_ops.get_rf_strength(fe, signal_strength); + + return 0; +} + /* calculate DS3000 snr value in dB */ static int ds3000_read_snr(struct dvb_frontend *fe, u16 *snr) { @@ -607,7 +616,7 @@ static int ds3000_read_snr(struct dvb_frontend *fe, u16 *snr) snr_reading = dvbs2_noise_reading / tmp; if (snr_reading > 80) snr_reading = 80; - *snr = -(dvbs2_snr_tab[snr_reading] / 1000); + *snr = -(dvbs2_snr_tab[snr_reading - 1] / 1000); } dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__, snr_reading, *snr); @@ -1102,6 +1111,7 @@ static struct dvb_frontend_ops ds3000_ops = { .i2c_gate_ctrl = ds3000_i2c_gate_ctrl, .read_status = ds3000_read_status, .read_ber = ds3000_read_ber, + .read_signal_strength = ds3000_read_signal_strength, .read_snr = ds3000_read_snr, .read_ucblocks = ds3000_read_ucblocks, .set_voltage = ds3000_set_voltage, |