From b71e2c4cd89929a1160f3a8657135a802cc23df3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Reinhard=20Ni=C3=9Fl?= <rnissl@gmx.de>
Date: Sun, 2 Jun 2013 15:01:18 -0300
Subject: [PATCH] [media] stb0899: store autodetected inversion while tuning in
non S2 mode
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In non S2 mode, the device is able to autodetect inversion. So
let's store it for tuning to S2 transponders.
Signed-off-by: Reinhard Nißl <rnissl@gmx.de>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
drivers/media/dvb-frontends/stb0899_algo.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/media/dvb-frontends/stb0899_algo.c b/drivers/media/dvb-frontends/stb0899_algo.c
index 4b49efb67931..4ce542c2db4b 100644
--- a/drivers/media/dvb-frontends/stb0899_algo.c
+++ b/drivers/media/dvb-frontends/stb0899_algo.c
@@ -425,6 +425,14 @@ static enum stb0899_status stb0899_search_data(struct stb0899_state *state)
if (internal->status == DATAOK) {
stb0899_read_regs(state, STB0899_CFRM, cfr, 2); /* get derotator frequency */
+
+ /* store autodetected IQ swapping as default for DVB-S2 tuning */
+ reg = stb0899_read_reg(state, STB0899_IQSWAP);
+ if (STB0899_GETFIELD(SYM, reg))
+ internal->inversion = IQ_SWAP_ON;
+ else
+ internal->inversion = IQ_SWAP_OFF;
+
internal->derot_freq = state->config->inversion * MAKEWORD16(cfr[0], cfr[1]);
dprintk(state->verbose, FE_DEBUG, 1, "------> DATAOK ! Derot Freq=%d", internal->derot_freq);
}
--
2.30.9