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>

2 files changed, 27 insertions, 1 deletions

diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index a5bae404701c..e1d4647b1a99 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -3237,7 +3237,10 @@ static enum stv090x_signal_state stv090x_algo(struct stv090x_state *state)
                 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 @@ static int stv090x_setup(struct dvb_frontend *fe)
                         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 96e3dc758e08..30f01a6902ac 100644
--- a/drivers/media/dvb/frontends/stv090x.h
+++ b/drivers/media/dvb/frontends/stv090x.h
@@ -60,6 +60,11 @@ enum stv090x_i2crpt {
         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 @@ struct stv090x_config {
 
         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);