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V4L/DVB (3857): Convert sp8870 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 17:47:10 -03:00 committed by Mauro Carvalho Chehab
parent 085542dc86
commit e9f9c0d87b
2 changed files with 16 additions and 14 deletions
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26
drivers/media/dvb/frontends/sp8870.c
View File

@ -262,9 +262,10 @@ static int sp8870_set_frontend_parameters (struct dvb_frontend* fe,
sp8870_microcontroller_stop(state);
// set tuner parameters
sp8870_writereg(state, 0x206, 0x001);
state->config->pll_set(fe, p);
sp8870_writereg(state, 0x206, 0x000);
if (fe->ops->tuner_ops.set_params) {
fe->ops->tuner_ops.set_params(fe, p);
if (fe->ops->i2c_gate_ctrl) fe->ops->i2c_gate_ctrl(fe, 0);
}
// sample rate correction bit [23..17]
sp8870_writereg(state, 0x0319, 0x000A);
@ -349,13 +350,6 @@ static int sp8870_init (struct dvb_frontend* fe)
sp8870_writereg(state, 0x0D00, 0x010);
sp8870_writereg(state, 0x0D01, 0x000);
/* setup PLL */
if (state->config->pll_init) {
sp8870_writereg(state, 0x206, 0x001);
state->config->pll_init(fe);
sp8870_writereg(state, 0x206, 0x000);
}
return 0;
}
@ -541,6 +535,17 @@ static int sp8870_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend
return 0;
}
static int sp8870_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{
struct sp8870_state* state = fe->demodulator_priv;
if (enable) {
return sp8870_writereg(state, 0x206, 0x001);
} else {
return sp8870_writereg(state, 0x206, 0x000);
}
}
static void sp8870_release(struct dvb_frontend* fe)
{
struct sp8870_state* state = fe->demodulator_priv;
@ -597,6 +602,7 @@ static struct dvb_frontend_ops sp8870_ops = {
.init = sp8870_init,
.sleep = sp8870_sleep,
.i2c_gate_ctrl = sp8870_i2c_gate_ctrl,
.set_frontend = sp8870_set_frontend,
.get_tune_settings = sp8870_get_tune_settings,

4
drivers/media/dvb/frontends/sp8870.h
View File

@ -31,10 +31,6 @@ struct sp8870_config
/* the demodulator's i2c 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);
/* request firmware for device */
int (*request_firmware)(struct dvb_frontend* fe, const struct firmware **fw, char* name);
};