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| author | Oliver Endriss <o.endriss@gmx.de> | 2010-01-10 15:40:28 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-02-26 15:10:38 -0300 |
| commit | d8b5a8e449a08a1a87170144a42d0a0b167bcad6 (patch) | |
| tree | 0ffbcd5c8f7f46a8c50b56dcf2660a9fff9975d0 /drivers/media/dvb/frontends/stv090x.c | |
| parent | 41894b97009adcabc51c6a4943045fd944c46236 (diff) | |
| download | kernel_samsung_smdk4412-d8b5a8e449a08a1a87170144a42d0a0b167bcad6.zip kernel_samsung_smdk4412-d8b5a8e449a08a1a87170144a42d0a0b167bcad6.tar.gz kernel_samsung_smdk4412-d8b5a8e449a08a1a87170144a42d0a0b167bcad6.tar.bz2 | |
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>
Diffstat (limited to 'drivers/media/dvb/frontends/stv090x.c')
| -rw-r--r-- | drivers/media/dvb/frontends/stv090x.c | 19 |
1 files changed, 18 insertions, 1 deletions
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 @@ 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) |