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Commit 4e2eccae authored by Andrew de Quincey's avatar Andrew de Quincey Committed by Mauro Carvalho Chehab
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V4L/DVB (3889): Sort out support for non-attached tuners on mt352 



Make it use set_params/pllbuf as appropriate so it works with
dvb_pll_attach()ed tuners.

Signed-off-by: default avatarAndrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 74aa7a29

drivers/media/dvb/frontends/mt352.c

+19 −5
Original line number Diff line number Diff line
@@ -287,18 +287,32 @@ static int mt352_set_parameters(struct dvb_frontend* fe, 
	mt352_calc_nominal_rate(state, op->bandwidth, buf+4);

	mt352_calc_input_freq(state, buf+6);



	// if there is no secondary tuner, call set_params to set up a potential

	// tuner attached elsewhere

	if (state->config.no_tuner) {

		if (fe->ops->tuner_ops.set_params) {

			fe->ops->tuner_ops.set_params(fe, param);

			if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0);

		}



		/* start decoding only */

		mt352_write(fe, fsm_go, 2);

	}



	// retrieve the pllbuf - we do this even if there is no

	// secondary tuner simply so we have a record of what was sent for

	// debugging.

	if (fe->ops->tuner_ops.pllbuf) {

		fe->ops->tuner_ops.pllbuf(fe, param, buf+8, 5);

		buf[8] <<= 1;

		mt352_write(fe, buf, sizeof(buf));

	}

	if (state->config.no_tuner) {

		/* start decoding */

		mt352_write(fe, fsm_go, 2);

	} else {

		/* start tuning */



	// send PLL and start tuning and then decoding

	if (!state->config.no_tuner) {

		mt352_write(fe, tuner_go, 2);

	}



	return 0;

}