Spectrum is inverted. So, we need to invert it when calculating the
value for the IF register
Signed-off-by: Mauro Carvalho Chehab <mche...@redhat.com>
---
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
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