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

 * 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;

}