V4L/DVB (13988): [STV090x] Configuration parameters adc1_range, adc2_range, tuner_bbgain
Add parameters adc1_range, adc2_range and tuner_bbgain to the config struct.
Defaults: adc1_range = adc2_range = 2Vpp, tuner_bbgain = 10db
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Manu Abraham <abraham.manu@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index a5bae40..e1d4647 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -3237,7 +3237,10 @@
goto err;
if (state->config->tuner_set_bbgain) {
- if (state->config->tuner_set_bbgain(fe, 10) < 0) /* 10dB */
+ reg = state->config->tuner_bbgain;
+ if (reg == 0)
+ reg = 10; /* default: 10dB */
+ if (state->config->tuner_set_bbgain(fe, reg) < 0)
goto err_gateoff;
}
@@ -4446,6 +4449,20 @@
state->internal->dev_ver);
}
+ /* ADC1 range */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR1);
+ STV090x_SETFIELD(reg, ADC1_INMODE_FIELD,
+ (config->adc1_range == STV090x_ADC_1Vpp) ? 0 : 1);
+ if (stv090x_write_reg(state, STV090x_TSTTNR1, reg) < 0)
+ goto err;
+
+ /* ADC2 range */
+ reg = stv090x_read_reg(state, STV090x_TSTTNR3);
+ STV090x_SETFIELD(reg, ADC2_INMODE_FIELD,
+ (config->adc2_range == STV090x_ADC_1Vpp) ? 0 : 1);
+ if (stv090x_write_reg(state, STV090x_TSTTNR3, reg) < 0)
+ goto err;
+
if (stv090x_write_reg(state, STV090x_TSTRES0, 0x80) < 0)
goto err;
if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
diff --git a/drivers/media/dvb/frontends/stv090x.h b/drivers/media/dvb/frontends/stv090x.h
index 96e3dc7..30f01a6 100644
--- a/drivers/media/dvb/frontends/stv090x.h
+++ b/drivers/media/dvb/frontends/stv090x.h
@@ -60,6 +60,11 @@
STV090x_RPTLEVEL_2 = 7,
};
+enum stv090x_adc_range {
+ STV090x_ADC_2Vpp = 0,
+ STV090x_ADC_1Vpp = 1
+};
+
struct stv090x_config {
enum stv090x_device device;
enum stv090x_mode demod_mode;
@@ -75,6 +80,10 @@
enum stv090x_i2crpt repeater_level;
+ u8 tuner_bbgain; /* default: 10db */
+ enum stv090x_adc_range adc1_range; /* default: 2Vpp */
+ enum stv090x_adc_range adc2_range; /* default: 2Vpp */
+
bool diseqc_envelope_mode;
int (*tuner_init) (struct dvb_frontend *fe);