From: Steven Toth <stoth@linuxtv.org>
Date: Sat, 21 Jun 2008 22:32:41 +0000 (-0300)
Subject: V4L/DVB (8096): au8522: prevent false-positive lock status
X-Git-Tag: v2.6.26-rc9~91^2~3
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=836c28584d4629fdc85365f083b84e1298e14312;p=linux-2.6

V4L/DVB (8096): au8522: prevent false-positive lock status

This decreases scan time in Queens, New York from 28 minutes to 7 minutes,
with the exact same services found.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/dvb/frontends/au8522.c b/drivers/media/dvb/frontends/au8522.c
index 978a287b75..03900d241a 100644
--- a/drivers/media/dvb/frontends/au8522.c
+++ b/drivers/media/dvb/frontends/au8522.c
@@ -527,10 +527,8 @@ static int au8522_read_status(struct dvb_frontend *fe, fe_status_t *status)
 	if (state->current_modulation == VSB_8) {
 		dprintk("%s() Checking VSB_8\n", __func__);
 		reg = au8522_readreg(state, 0x4088);
-		if (reg & 0x01)
-			*status |= FE_HAS_VITERBI;
-		if (reg & 0x02)
-			*status |= FE_HAS_LOCK | FE_HAS_SYNC;
+		if ((reg & 0x03) == 0x03)
+			*status |= FE_HAS_LOCK | FE_HAS_SYNC | FE_HAS_VITERBI;
 	} else {
 		dprintk("%s() Checking QAM\n", __func__);
 		reg = au8522_readreg(state, 0x4541);