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V4L/DVB (3862): Convert tda10021 to refactored tuner code 

Convert to tuner_ops calls.
Remove pll function pointers from structure.
Remove unneeded tuner calls.
Add i2c gate control function.

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 17:47:10 -03:00 committed by Mauro Carvalho Chehab
parent d1544ecb3b
commit f1e809191c
2 changed files with 17 additions and 14 deletions
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27
drivers/media/dvb/frontends/tda10021.c
View File

@ -225,13 +225,6 @@ static int tda10021_init (struct dvb_frontend *fe)
//Activate PLL //Activate PLL
tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef); tda10021_writereg(state, 0x2a, tda10021_inittab[0x2a] & 0xef);
if (state->config->pll_init) {
lock_tuner(state);
state->config->pll_init(fe);
unlock_tuner(state);
}
return 0; return 0;
} }
@ -259,9 +252,10 @@ static int tda10021_set_parameters (struct dvb_frontend *fe,
//printk("tda10021: set frequency to %d qam=%d symrate=%d\n", p->frequency,qam,p->u.qam.symbol_rate); //printk("tda10021: set frequency to %d qam=%d symrate=%d\n", p->frequency,qam,p->u.qam.symbol_rate);
lock_tuner(state); if (fe->ops->tuner_ops.set_params) {
state->config->pll_set(fe, p); fe->ops->tuner_ops.set_params(fe, p);
unlock_tuner(state); if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0);
}
tda10021_set_symbolrate (state, p->u.qam.symbol_rate); tda10021_set_symbolrate (state, p->u.qam.symbol_rate);
tda10021_writereg (state, 0x34, state->pwm); tda10021_writereg (state, 0x34, state->pwm);
@ -376,6 +370,18 @@ static int tda10021_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_pa
return 0; return 0;
} }
static int tda10021_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{
struct tda10021_state* state = fe->demodulator_priv;
if (enable) {
lock_tuner(state);
} else {
unlock_tuner(state);
}
return 0;
}
static int tda10021_sleep(struct dvb_frontend* fe) static int tda10021_sleep(struct dvb_frontend* fe)
{ {
struct tda10021_state* state = fe->demodulator_priv; struct tda10021_state* state = fe->demodulator_priv;
@ -448,6 +454,7 @@ static struct dvb_frontend_ops tda10021_ops = {
.init = tda10021_init, .init = tda10021_init,
.sleep = tda10021_sleep, .sleep = tda10021_sleep,
.i2c_gate_ctrl = tda10021_i2c_gate_ctrl,
.set_frontend = tda10021_set_parameters, .set_frontend = tda10021_set_parameters,
.get_frontend = tda10021_get_frontend, .get_frontend = tda10021_get_frontend,

4
drivers/media/dvb/frontends/tda10021.h
View File

@ -30,10 +30,6 @@ struct tda10021_config
{ {
/* the demodulator's i2c address */ /* the demodulator's i2c address */
u8 demod_address; u8 demod_address;
/* PLL maintenance */
int (*pll_init)(struct dvb_frontend* fe);
int (*pll_set)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
}; };
extern struct dvb_frontend* tda10021_attach(const struct tda10021_config* config, extern struct dvb_frontend* tda10021_attach(const struct tda10021_config* config,