summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/media/dvb/frontends/stb0899_drv.c8
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: