DVBT_EN_BBIN should be set on both places where IF is set. So, move it to a function and call it where needed. Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> --- drivers/media/dvb-frontends/rtl2832.c | 63 +++++++++++++++++------------------ 1 file changed, 31 insertions(+), 32 deletions(-) diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index b6f50c7..2f5a2b5 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -380,13 +380,37 @@ err: return ret; } -static int rtl2832_init(struct dvb_frontend *fe) + +static int rtl2832_set_if(struct dvb_frontend *fe, u32 if_freq) { struct rtl2832_priv *priv = fe->demodulator_priv; - int i, ret, len; - u8 en_bbin; + int ret; u64 pset_iffreq; + u8 en_bbin = (if_freq == 0 ? 0x1 : 0x0); + + /* + * PSET_IFFREQ = - floor((IfFreqHz % CrystalFreqHz) * pow(2, 22) + * / CrystalFreqHz) + */ + + pset_iffreq = if_freq % priv->cfg.xtal; + pset_iffreq *= 0x400000; + pset_iffreq = div_u64(pset_iffreq, priv->cfg.xtal); + pset_iffreq = pset_iffreq & 0x3fffff; + ret = rtl2832_wr_demod_reg(priv, DVBT_EN_BBIN, en_bbin); + if (ret) + return ret; + + ret = rtl2832_wr_demod_reg(priv, DVBT_PSET_IFFREQ, pset_iffreq); + + return (ret); +} + +static int rtl2832_init(struct dvb_frontend *fe) +{ + struct rtl2832_priv *priv = fe->demodulator_priv; const struct rtl2832_reg_value *init; + int i, ret, len; /* initialization values for the demodulator registers */ struct rtl2832_reg_value rtl2832_initial_regs[] = { @@ -436,8 +460,6 @@ static int rtl2832_init(struct dvb_frontend *fe) dev_dbg(&priv->i2c->dev, "%s:\n", __func__); - en_bbin = (priv->cfg.if_dvbt == 0 ? 0x1 : 0x0); - for (i = 0; i < ARRAY_SIZE(rtl2832_initial_regs); i++) { ret = rtl2832_wr_demod_reg(priv, rtl2832_initial_regs[i].reg, rtl2832_initial_regs[i].value); @@ -477,27 +499,10 @@ static int rtl2832_init(struct dvb_frontend *fe) goto err; } - /* - * if frequency settings - * Some tuners (r820t) don't initialize IF here; instead; they do it - * at set_params() - */ if (!fe->ops.tuner_ops.get_if_frequency) { - /* - * PSET_IFFREQ = - floor((IfFreqHz % CrystalFreqHz) * pow(2, 22) - * / CrystalFreqHz) - */ - pset_iffreq = priv->cfg.if_dvbt % priv->cfg.xtal; - pset_iffreq *= 0x400000; - pset_iffreq = div_u64(pset_iffreq, priv->cfg.xtal); - pset_iffreq = pset_iffreq & 0x3fffff; - ret = rtl2832_wr_demod_reg(priv, DVBT_EN_BBIN, en_bbin); - if (ret) - goto err; - - ret = rtl2832_wr_demod_reg(priv, DVBT_PSET_IFFREQ, pset_iffreq); - if (ret) - goto err; + ret = rtl2832_set_if(fe, priv->cfg.if_dvbt); + if (ret) + goto err; } /* @@ -590,18 +595,12 @@ static int rtl2832_set_frontend(struct dvb_frontend *fe) /* If the frontend has get_if_frequency(), use it */ if (fe->ops.tuner_ops.get_if_frequency) { u32 if_freq; - u64 pset_iffreq; ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_freq); if (ret) goto err; - pset_iffreq = if_freq % priv->cfg.xtal; - pset_iffreq *= 0x400000; - pset_iffreq = div_u64(pset_iffreq, priv->cfg.xtal); - pset_iffreq = pset_iffreq & 0x3fffff; - - ret = rtl2832_wr_demod_reg(priv, DVBT_PSET_IFFREQ, pset_iffreq); + ret = rtl2832_set_if(fe, if_freq); if (ret) goto err; } -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html