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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: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Andrew de Quincey 2006-04-18 17:47:12 -03:00 committed by Mauro Carvalho Chehab
parent 74aa7a29fe
commit 4e2eccae27
1 changed files with 19 additions and 5 deletions
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24
drivers/media/dvb/frontends/mt352.c
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@ -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;
}