diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/frontends/stb0899_drv.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/media/dvb/frontends/stb0899_drv.c b/drivers/media/dvb/frontends/stb0899_drv.c index 097e7067f208..dd08f4ac64a8 100644 --- a/drivers/media/dvb/frontends/stb0899_drv.c +++ b/drivers/media/dvb/frontends/stb0899_drv.c @@ -67,7 +67,7 @@ static const struct stb0899_tab stb0899_cn_tab[] = { * Crude linear extrapolation below -84.8dBm and above -8.0dBm. */ static const struct stb0899_tab stb0899_dvbsrf_tab[] = { - { -950, -128 }, + { -750, -128 }, { -748, -94 }, { -745, -92 }, { -735, -90 }, @@ -131,7 +131,7 @@ static const struct stb0899_tab stb0899_dvbs2rf_tab[] = { { -730, 13645 }, { -750, 13909 }, { -766, 14153 }, - { -999, 16383 } + { -950, 16383 } }; /* DVB-S2 Es/N0 quant in dB/100 vs read value * 100*/ @@ -964,6 +964,7 @@ static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength) int val; u32 reg; + *strength = 0; switch (state->delsys) { case SYS_DVBS: case SYS_DSS: @@ -987,7 +988,7 @@ static int stb0899_read_signal_strength(struct dvb_frontend *fe, u16 *strength) val = STB0899_GETFIELD(IF_AGC_GAIN, reg); *strength = stb0899_table_lookup(stb0899_dvbs2rf_tab, ARRAY_SIZE(stb0899_dvbs2rf_tab) - 1, val); - *strength += 750; + *strength += 950; dprintk(state->verbose, FE_DEBUG, 1, "IF_AGC_GAIN = 0x%04x, C = %d * 0.1 dBm", val & 0x3fff, *strength); } @@ -1009,6 +1010,7 @@ static int stb0899_read_snr(struct dvb_frontend *fe, u16 *snr) u8 buf[2]; u32 reg; + *snr = 0; reg = stb0899_read_reg(state, STB0899_VSTATUS); switch (state->delsys) { case SYS_DVBS: |