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V4L/DVB (3867): Convert nxt6000 to refactored tuner code

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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 17:47:11 -03:00 committed by Mauro Carvalho Chehab
parent 638a3fba39
commit 605ee41c43
2 changed files with 16 additions and 13 deletions
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25
drivers/media/dvb/frontends/nxt6000.c
View file

@ -207,12 +207,6 @@ static void nxt6000_setup(struct dvb_frontend* fe)
nxt6000_writereg(state, SUB_DIAG_MODE_SEL, 0);
nxt6000_writereg(state, TS_FORMAT, 0);
if (state->config->pll_init) {
nxt6000_writereg(state, ENABLE_TUNER_IIC, 0x01); /* open i2c bus switch */
state->config->pll_init(fe);
nxt6000_writereg(state, ENABLE_TUNER_IIC, 0x00); /* close i2c bus switch */
}
}
static void nxt6000_dump_status(struct nxt6000_state *state)
@ -469,9 +463,10 @@ static int nxt6000_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
struct nxt6000_state* state = fe->demodulator_priv;
int result;
nxt6000_writereg(state, ENABLE_TUNER_IIC, 0x01); /* open i2c bus switch */
state->config->pll_set(fe, param);
nxt6000_writereg(state, ENABLE_TUNER_IIC, 0x00); /* close i2c bus switch */
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);
}
if ((result = nxt6000_set_bandwidth(state, param->u.ofdm.bandwidth)) < 0)
return result;
@ -532,6 +527,17 @@ static int nxt6000_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_fron
return 0;
}
static int nxt6000_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{
struct nxt6000_state* state = fe->demodulator_priv;
if (enable) {
return nxt6000_writereg(state, ENABLE_TUNER_IIC, 0x01);
} else {
return nxt6000_writereg(state, ENABLE_TUNER_IIC, 0x00);
}
}
static struct dvb_frontend_ops nxt6000_ops;
struct dvb_frontend* nxt6000_attach(const struct nxt6000_config* config,
@ -584,6 +590,7 @@ static struct dvb_frontend_ops nxt6000_ops = {
.release = nxt6000_release,
.init = nxt6000_init,
.i2c_gate_ctrl = nxt6000_i2c_gate_ctrl,
.get_tune_settings = nxt6000_fe_get_tune_settings,

4
drivers/media/dvb/frontends/nxt6000.h
View file

@ -31,10 +31,6 @@ struct nxt6000_config
/* should clock inversion be used? */
u8 clock_inversion:1;
/* 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* nxt6000_attach(const struct nxt6000_config* config,