From 39342dbb27323f174b286c9e19b9687d492b2d1a Mon Sep 17 00:00:00 2001 From: Lutz Sammer Date: Fri, 7 Oct 2011 16:11:37 -0300 Subject: [PATCH] [media] stb0899: Fix slow and not locking DVB-S transponder(s) 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 Reviewed-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/stb0899_algo.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/dvb/frontends/stb0899_algo.c b/drivers/media/dvb/frontends/stb0899_algo.c index d70eee00f33a..117a56926dca 100644 --- a/drivers/media/dvb/frontends/stb0899_algo.c +++ b/drivers/media/dvb/frontends/stb0899_algo.c @@ -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 */