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| author | Steven Toth <stoth@linuxtv.org> | 2008-10-17 06:17:42 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-10-21 20:30:48 +0400 |
| commit | e16c63de928f00075f0ea466581e04b44bb33f75 (patch) | |
| tree | a2e42b008acef238108cbfaa66357a01789e63a0 /drivers/media | |
| parent | c96de5197d038cd1c5538085109c7329434ee94b (diff) | |
| download | linux-e16c63de928f00075f0ea466581e04b44bb33f75.tar.xz | |
V4L/DVB (9310): s5h1411: read_status() locking detection fixes.
This includes new bit definitions for previously unknown bits.
Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/frontends/s5h1411.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/media/dvb/frontends/s5h1411.c b/drivers/media/dvb/frontends/s5h1411.c index 25a3fb31e023..c79e23ded4d7 100644 --- a/drivers/media/dvb/frontends/s5h1411.c +++ b/drivers/media/dvb/frontends/s5h1411.c @@ -636,28 +636,29 @@ static int s5h1411_read_status(struct dvb_frontend *fe, fe_status_t *status) *status = 0; - /* Get the demodulator status */ - reg = (s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0xf2) >> 15) - & 0x0001; - if (reg) - *status |= FE_HAS_LOCK | FE_HAS_CARRIER | FE_HAS_SIGNAL; + /* Register F2 bit 15 = Master Lock, removed */ switch (state->current_modulation) { case QAM_64: case QAM_256: reg = s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0xf0); - if (reg & 0x100) - *status |= FE_HAS_VITERBI; - if (reg & 0x10) - *status |= FE_HAS_SYNC; + if (reg & 0x10) /* QAM FEC Lock */ + *status |= FE_HAS_SYNC | FE_HAS_LOCK; + if (reg & 0x100) /* QAM EQ Lock */ + *status |= FE_HAS_VITERBI | FE_HAS_CARRIER | FE_HAS_SIGNAL; + break; case VSB_8: - reg = s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0x5e); - if (reg & 0x0001) - *status |= FE_HAS_SYNC; reg = s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0xf2); - if (reg & 0x1000) - *status |= FE_HAS_VITERBI; + if (reg & 0x1000) /* FEC Lock */ + *status |= FE_HAS_SYNC | FE_HAS_LOCK; + if (reg & 0x2000) /* EQ Lock */ + *status |= FE_HAS_VITERBI | FE_HAS_CARRIER | FE_HAS_SIGNAL; + + reg = s5h1411_readreg(state, S5H1411_I2C_TOP_ADDR, 0x53); + if (reg & 0x1) /* AFC Lock */ + *status |= FE_HAS_SIGNAL; + break; default: return -EINVAL; |