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[media] stb0899: Fix slow and not locking DVB-S transponder(s)

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In stb0899_status stb0899_check_data the first read of STB0899_VSTATUS
could read old (from previous search) LOOP status bit and the search
fails on a good frequency.

With the patch more transponder could be locked and locks about 2*
faster.

Signed-off-by: Lutz Sammer<[email protected]>
Reviewed-by: Manu Abraham<[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Lutz Sammer 2011-10-07 16:11:37 -03:00 • committed by Mauro Carvalho Chehab
commit 39342dbb27
1 changed files with 3 additions and 0 deletions
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3
drivers/media/dvb/frontends/stb0899_algo.c
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@ -358,6 +358,9 @@ static enum stb0899_status stb0899_check_data(struct stb0899_state *state)
else
dataTime = 500;
/* clear previous failed END_LOOPVIT */
stb0899_read_reg(state, STB0899_VSTATUS);
stb0899_write_reg(state, STB0899_DSTATUS2, 0x00); /* force search loop */
while (1) {
/* WARNING! VIT LOCKED has to be tested before VIT_END_LOOOP */