diff options
Diffstat (limited to 'drivers/media/dvb-frontends')
| -rw-r--r-- | drivers/media/dvb-frontends/dib7000p.c | 17 | ||||
| -rw-r--r-- | drivers/media/dvb-frontends/dib7000p.h | 7 |
2 files changed, 23 insertions, 1 deletions
diff --git a/drivers/media/dvb-frontends/dib7000p.c b/drivers/media/dvb-frontends/dib7000p.c index 3e1eefa..effb87f 100644 --- a/drivers/media/dvb-frontends/dib7000p.c +++ b/drivers/media/dvb-frontends/dib7000p.c @@ -429,6 +429,13 @@ int dib7000p_get_agc_values(struct dvb_frontend *fe, } EXPORT_SYMBOL(dib7000p_get_agc_values); +int dib7000p_set_agc1_min(struct dvb_frontend *fe, u16 v) +{ + struct dib7000p_state *state = fe->demodulator_priv; + return dib7000p_write_word(state, 108, v); +} +EXPORT_SYMBOL(dib7000p_set_agc1_min); + static void dib7000p_reset_pll(struct dib7000p_state *state) { struct dibx000_bandwidth_config *bw = &state->cfg.bw[0]; @@ -821,6 +828,7 @@ static int dib7000p_agc_startup(struct dvb_frontend *demod) u8 agc_split; u16 reg; u32 upd_demod_gain_period = 0x1000; + s32 frequency_offset = 0; switch (state->agc_state) { case 0: @@ -841,7 +849,14 @@ static int dib7000p_agc_startup(struct dvb_frontend *demod) if (dib7000p_set_agc_config(state, BAND_OF_FREQUENCY(ch->frequency / 1000)) != 0) return -1; - dib7000p_set_dds(state, 0); + if (demod->ops.tuner_ops.get_frequency) { + u32 frequency_tuner; + + demod->ops.tuner_ops.get_frequency(demod, &frequency_tuner); + frequency_offset = (s32)frequency_tuner / 1000 - ch->frequency / 1000; + } + + dib7000p_set_dds(state, frequency_offset); ret = 7; (*agc_state)++; break; diff --git a/drivers/media/dvb-frontends/dib7000p.h b/drivers/media/dvb-frontends/dib7000p.h index cf5e779..d08cdff 100644 --- a/drivers/media/dvb-frontends/dib7000p.h +++ b/drivers/media/dvb-frontends/dib7000p.h @@ -63,6 +63,7 @@ extern struct i2c_adapter *dib7090_get_i2c_tuner(struct dvb_frontend *fe); extern int dib7090_slave_reset(struct dvb_frontend *fe); extern int dib7000p_get_agc_values(struct dvb_frontend *fe, u16 *agc_global, u16 *agc1, u16 *agc2, u16 *wbd); +extern int dib7000p_set_agc1_min(struct dvb_frontend *fe, u16 v); #else static inline struct dvb_frontend *dib7000p_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg) { @@ -154,6 +155,12 @@ static inline int dib7000p_get_agc_values(struct dvb_frontend *fe, printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return -ENODEV; } + +static inline int dib7000p_set_agc1_min(struct dvb_frontend *fe, u16 v) +{ + printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); + return -ENODEV; +} #endif #endif |