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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>
This commit is contained in:
Steven Toth 2008-10-16 23:17:42 -03:00 committed by Mauro Carvalho Chehab
parent c96de5197d
commit e16c63de92
1 changed files with 15 additions and 14 deletions
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29
drivers/media/dvb/frontends/s5h1411.c
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@ -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;