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>

drivers/media/dvb/frontends/tda10021.c

@@ -225,13 +225,6 @@ static int tda10021_init (struct dvb_frontend *fe)
 
 	//Activate PLL
 	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;
 }
 
@@ -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);
 
-	lock_tuner(state);
-	state->config->pll_set(fe, p);
-	unlock_tuner(state);
+	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);
+	}
 
 	tda10021_set_symbolrate (state, p->u.qam.symbol_rate);
 	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;
 }
 
+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)
 {
 	struct tda10021_state* state = fe->demodulator_priv;
@@ -448,6 +454,7 @@ static struct dvb_frontend_ops tda10021_ops = {
 
 	.init = tda10021_init,
 	.sleep = tda10021_sleep,
+	.i2c_gate_ctrl = tda10021_i2c_gate_ctrl,
 
 	.set_frontend = tda10021_set_parameters,
 	.get_frontend = tda10021_get_frontend,

drivers/media/dvb/frontends/tda10021.h

@@ -30,10 +30,6 @@ struct tda10021_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);
 };
 
 extern struct dvb_frontend* tda10021_attach(const struct tda10021_config* config,