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V4L/DVB (11597): stv090x: fixes read_status to return 0 in case of no error 

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>
This commit is contained in:
Andreas Regel 2009-04-23 14:58:36 -03:00 committed by Mauro Carvalho Chehab
parent 94871465b6
commit 9629c5b69d
1 changed files with 4 additions and 6 deletions
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10
drivers/media/dvb/frontends/stv090x.c
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@ -3163,7 +3163,6 @@ static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
struct stv090x_state *state = fe->demodulator_priv;
u32 reg;
u8 search_state;
int locked = 0;
reg = STV090x_READ_DEMOD(state, DMDSTATE);
search_state = STV090x_GETFIELD_Px(reg, HEADER_MODE_FIELD);
@ -3173,7 +3172,7 @@ static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
case 1: /* first PLH detected */
default:
dprintk(FE_DEBUG, 1, "Status: Unlocked (Searching ..)");
locked = 0;
*status = 0;
break;
case 2: /* DVB-S2 mode */
@ -3182,7 +3181,6 @@ static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
if (STV090x_GETFIELD_Px(reg, LOCK_DEFINITIF_FIELD)) {
reg = STV090x_READ_DEMOD(state, TSSTATUS);
if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
locked = 1;
*status = FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
}
}
@ -3196,7 +3194,6 @@ static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
if (STV090x_GETFIELD_Px(reg, LOCKEDVIT_FIELD)) {
reg = STV090x_READ_DEMOD(state, TSSTATUS);
if (STV090x_GETFIELD_Px(reg, TSFIFO_LINEOK_FIELD)) {
locked = 1;
*status = FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
}
}
@ -3204,7 +3201,7 @@ static int stv090x_read_status(struct dvb_frontend *fe, enum fe_status *status)
break;
}
return locked;
return 0;
}
static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
@ -3215,7 +3212,8 @@ static int stv090x_read_per(struct dvb_frontend *fe, u32 *per)
u32 reg, h, m, l;
enum fe_status status;
if (!stv090x_read_status(fe, &status)) {
stv090x_read_status(fe, &status);
if (!(status & FE_HAS_LOCK)) {
*per = 1 << 23; /* Max PER */
} else {
/* Counter 2 */