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[media] stv090x: Fix losing lock in dual DVB-S2 mode

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Do not clear registers ACLC/BCLC in DVB-S2 mode for Cut <= 20.
Otherwise, the demod could lose the lock periodically.
Verified with cineS2 and Duoflex.

Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Oliver Endriss 2011-01-10 06:36:22 -03:00 committed by Mauro Carvalho Chehab
parent 908f668bfb
commit 179fd15a99
1 changed files with 6 additions and 4 deletions
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10
drivers/media/dvb/frontends/stv090x.c
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@ -2894,10 +2894,12 @@ static int stv090x_optimize_track(struct stv090x_state *state)
STV090x_SETFIELD_Px(reg, DVBS2_ENABLE_FIELD, 1);
if (STV090x_WRITE_DEMOD(state, DMDCFGMD, reg) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, ACLC, 0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, BCLC, 0) < 0)
goto err;
if (state->internal->dev_ver >= 0x30) {
if (STV090x_WRITE_DEMOD(state, ACLC, 0) < 0)
goto err;
if (STV090x_WRITE_DEMOD(state, BCLC, 0) < 0)
goto err;
}
if (state->frame_len == STV090x_LONG_FRAME) {
reg = STV090x_READ_DEMOD(state, DMDMODCOD);
modcod = STV090x_GETFIELD_Px(reg, DEMOD_MODCOD_FIELD);