Spectrum is inverted. So, we need to invert it when calculating the value for the IF register Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> --- drivers/media/dvb-frontends/rtl2832.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 2f5a2b5..facb848 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -396,7 +396,11 @@ static int rtl2832_set_if(struct dvb_frontend *fe, u32 if_freq) pset_iffreq = if_freq % priv->cfg.xtal; pset_iffreq *= 0x400000; pset_iffreq = div_u64(pset_iffreq, priv->cfg.xtal); + pset_iffreq = -pset_iffreq; pset_iffreq = pset_iffreq & 0x3fffff; + dev_dbg(&priv->i2c->dev, "%s: if_frequency=%d pset_iffreq=%08x\n", + __func__, if_freq, (unsigned)pset_iffreq); + ret = rtl2832_wr_demod_reg(priv, DVBT_EN_BBIN, en_bbin); if (ret) return ret; -- 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
