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V4L/DVB (13351): stv090x: increases search range based on symbol rate

Signed-off-by: Andreas Regel <andreas.regel@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Andreas Regel 15 年之前
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共有 1 个文件被更改,包括 7 次插入1 次删除
  1. 7 1
      drivers/media/dvb/frontends/stv090x.c

+ 7 - 1
drivers/media/dvb/frontends/stv090x.c

@@ -3296,7 +3296,13 @@ static enum dvbfe_search stv090x_search(struct dvb_frontend *fe, struct dvb_fron
 	state->search_mode = STV090x_SEARCH_AUTO;
 	state->algo = STV090x_COLD_SEARCH;
 	state->fec = STV090x_PRERR;
-	state->search_range = 2000000;
+	if (state->srate > 10000000) {
+		dprintk(FE_DEBUG, 1, "Search range: 10 MHz");
+		state->search_range = 10000000;
+	} else {
+		dprintk(FE_DEBUG, 1, "Search range: 5 MHz");
+		state->search_range = 5000000;
+	}
 
 	if (stv090x_algo(state) == STV090x_RANGEOK) {
 		dprintk(FE_DEBUG, 1, "Search success!");