From 89dfc557d1b85bbaf04ca4c9927c6ea22df72e04 Mon Sep 17 00:00:00 2001
From: Olivier Grenie <olivier.grenie@dibcom.fr>
Date: Mon, 30 Nov 2009 06:38:49 -0300
Subject: [PATCH] V4L/DVB (13587): DiB8000: enhance status lock
Enhance status lock behaviour.
Signed-off-by: Olivier Grenie <olivier.grenie@dibcom.fr>
Signed-off-by: Patrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
drivers/media/dvb/frontends/dib8000.c | 28 ++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)
diff --git a/drivers/media/dvb/frontends/dib8000.c b/drivers/media/dvb/frontends/dib8000.c
index 5218a5c19d1..bb2ec1567cd 100644
--- a/drivers/media/dvb/frontends/dib8000.c
+++ b/drivers/media/dvb/frontends/dib8000.c
@@ -2083,29 +2083,31 @@ static int dib8000_read_status(struct dvb_frontend *fe, fe_status_t * stat)
*stat = 0;
- if ((lock >> 14) & 1) // AGC
+ if ((lock >> 13) & 1)
*stat |= FE_HAS_SIGNAL;
- if ((lock >> 8) & 1) // Equal
+ if ((lock >> 8) & 1) /* Equal */
*stat |= FE_HAS_CARRIER;
- if ((lock >> 3) & 1) // TMCC_SYNC
+ if (((lock >> 1) & 0xf) == 0xf) /* TMCC_SYNC */
*stat |= FE_HAS_SYNC;
- if ((lock >> 5) & 7) // FEC MPEG
+ if (((lock >> 12) & 1) && ((lock >> 5) & 7)) /* FEC MPEG */
*stat |= FE_HAS_LOCK;
- lock = dib8000_read_word(state, 554); // Viterbi Layer A
- if (lock & 0x01)
- *stat |= FE_HAS_VITERBI;
+ if ((lock >> 12) & 1) {
+ lock = dib8000_read_word(state, 554); /* Viterbi Layer A */
+ if (lock & 0x01)
+ *stat |= FE_HAS_VITERBI;
- lock = dib8000_read_word(state, 555); // Viterbi Layer B
- if (lock & 0x01)
- *stat |= FE_HAS_VITERBI;
+ lock = dib8000_read_word(state, 555); /* Viterbi Layer B */
+ if (lock & 0x01)
+ *stat |= FE_HAS_VITERBI;
- lock = dib8000_read_word(state, 556); // Viterbi Layer C
- if (lock & 0x01)
- *stat |= FE_HAS_VITERBI;
+ lock = dib8000_read_word(state, 556); /* Viterbi Layer C */
+ if (lock & 0x01)
+ *stat |= FE_HAS_VITERBI;
+ }
return 0;
}
--
2.25.4