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V4L/DVB: STV0900 Cut 3.0 AGC2 fix for NetUP Dual DVB-S2-CI card

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if the AGC2 > 1400 then no signal on this frequency for STV0900 Cut 3.0. For
Cut 2.0 this value is 700.

Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Abylay Ospan 2010-02-06 05:55:47 -03:00 committed by Mauro Carvalho Chehab
parent 0a71102f10
commit fad93fdb14
1 changed files with 5 additions and 1 deletions
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6
drivers/media/dvb/frontends/stv0900_sw.c
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@ -1230,6 +1230,9 @@ fe_stv0900_signal_type stv0900_get_signal_params(struct dvb_frontend *fe)
result->pilot = stv0900_get_bits(intp, DEMOD_TYPE) & 0x01;
result->frame_len = ((u32)stv0900_get_bits(intp, DEMOD_TYPE)) >> 1;
result->rolloff = stv0900_get_bits(intp, ROLLOFF_STATUS);
dprintk("%s: modcode=0x%x \n", __func__, result->modcode);
switch (result->standard) {
case STV0900_DVBS2_STANDARD:
result->spectrum = stv0900_get_bits(intp, SPECINV_DEMOD);
@ -1634,7 +1637,8 @@ static int stv0900_blind_search_algo(struct dvb_frontend *fe)
agc2_int = stv0900_blind_check_agc2_min_level(intp, demod);
if (agc2_int > STV0900_BLIND_SEARCH_AGC2_TH)
dprintk("%s agc2_int=%d agc2_th=%d \n", __func__, agc2_int, agc2_th);
if (agc2_int > agc2_th)
return FALSE;
if (intp->chip_id == 0x10)