Hi Mauro,
Thanks for your review.
I started work on V3 patch series, and found no information about
roll-off handling in the CDX2841 demodulator chip documentation. It
seemks that roll-off is handled automatically.
Best regards,
Sergey
14.05.2015 17:15, Mauro Carvalho Chehab пишет:
Em Wed, 15 Apr 2015 13:07:49 +0300
se...@netup.ru escreveu:
+
+static int cxd2841er_set_frontend_s(struct dvb_frontend *fe)
+{
+ int ret = 0, i, timeout, carr_offset;
+ fe_status_t status;
+ struct cxd2841er_priv *priv = fe->demodulator_priv;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ u32 symbol_rate = p->symbol_rate/1000;
+
+ dev_dbg(&priv->i2c->dev, "%s(): %s frequency=%d symbol_rate=%d\n",
+ __func__,
+ (p->delivery_system == SYS_DVBS ? "DVB-S" : "DVB-S2"),
+ p->frequency, symbol_rate);
I was unable to identify how ROLLOFF is handled for DVB-S2 in this code.
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