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V4L/DVB (9382): Use a delay for tracking acquisition status 

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Manu Abraham 2007-07-02 09:01:48 -03:00 коммит произвёл Mauro Carvalho Chehab
Родитель 54c358fc23
Коммит 795b72b21a
1 изменённых файлов: 9 добавлений и 48 удалений
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57
drivers/media/dvb/frontends/stb0899_drv.c
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@ -1802,58 +1802,19 @@ static int stb0899_get_modcod(struct stb0899_internal *internal, struct dvbs2_pa
* Once a new lock has established, the internal state
* frequency (internal->freq) is updated
*/
static int stb0899_track(struct dvb_frontend *fe, struct dvbfe_params *params)
static int stb0899_track(struct dvb_frontend *fe, struct dvbfe_params *params, int *delay)
{
u32 lock_lost;
struct stb0899_state *state = fe->demodulator_priv;
struct stb0899_internal *internal = &state->internal;
switch (state->delsys) {
case DVBFE_DELSYS_DVBS:
dprintk(verbose, FE_DEBUG, 1, "Tracking DVB-S state");
if (stb0899_track_carrier(state) == CARRIEROK) {
params->frequency = internal->freq;
params->inversion = internal->inversion;
params->delivery = state->delsys;
params->delsys.dvbs.symbol_rate = internal->srate;
params->delsys.dvbs.modulation = DVBFE_MOD_QPSK;
stb0899_get_s1fec(internal, &params->delsys.dvbs.fec);
}
break;
case DVBFE_DELSYS_DSS:
dprintk(verbose, FE_DEBUG, 1, "Tracking DSS state");
if (stb0899_track_carrier(state) == CARRIEROK) {
params->frequency = internal->freq;
params->inversion = internal->inversion;
params->delivery = state->delsys;
params->delsys.dss.symbol_rate = internal->srate;
params->delsys.dss.modulation = DVBFE_MOD_QPSK;
stb0899_get_s1fec(internal, &params->delsys.dss.fec);
}
break;
case DVBFE_DELSYS_DVBS2:
dprintk(verbose, FE_DEBUG, 1, "Tracking DVB-S2 state");
if (stb0899_get_ifagc(state) == AGC1OK) {
params->frequency = internal->freq;
params->inversion = internal->inversion;
params->delivery = state->delsys;
params->delsys.dvbs2.symbol_rate = internal->srate;
stb0899_get_modcod(internal, &params->delsys.dvbs2);
params->delsys.dvbs2.rolloff = internal->rolloff;
params->delsys.dvbs2.matype_1 = stb0899_read_reg(state, STB0899_MATSTRL);
params->delsys.dvbs2.matype_2 = stb0899_read_reg(state, STB0899_MATSTRM);
params->delsys.dvbs2.upl_1 = stb0899_read_reg(state, STB0899_UPLSTRL);
params->delsys.dvbs2.upl_2 = stb0899_read_reg(state, STB0899_UPLSTRM);
params->delsys.dvbs2.dfl_1 = stb0899_read_reg(state, STB0899_DFLSTRL);
params->delsys.dvbs2.dfl_2 = stb0899_read_reg(state, STB0899_DFLSTRM);
params->delsys.dvbs2.sync = stb0899_read_reg(state, STB0899_SYNCSTR);
params->delsys.dvbs2.syncd_1 = stb0899_read_reg(state, STB0899_SYNCDSTRL);
params->delsys.dvbs2.syncd_2 = stb0899_read_reg(state, STB0899_SYNCDSTRM);
}
break;
default:
dprintk(verbose, FE_ERROR, 1, "Unsupported delivery system");
return -EINVAL;
}
lock_lost = STB0899_READ_S2REG(STB0899_S2DEMOD, LOCK_LOST);
dprintk(verbose, FE_DEBUG, 1, "Lock Lost=[0x%02x]\n", lock_lost);
if (STB0899_GETFIELD(LOCK_LOST, lock_lost))
dprintk(verbose, FE_ERROR, 1, "Demodulator LOST LOCK !\n");
*delay = HZ/10;
return 0;
}