return (ret != 1) ? -EREMOTEIO : 0;
}
+int tda10021_write_byte(struct dvb_frontend* fe, int reg, int data)
+{
+ struct tda10021_state* state = fe->demodulator_priv;
+
+ return tda10021_writereg(state, reg, data);
+}
+EXPORT_SYMBOL(tda10021_write_byte);
+
static u8 tda10021_readreg (struct tda10021_state* state, u8 reg)
{
u8 b0 [] = { reg };
u8 b1 [] = { 0 };
struct i2c_msg msg [] = { { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
- { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
+ { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
int ret;
ret = i2c_transfer (state->i2c, msg, 2);
//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;
}
//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);
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;
.frequency_max = 858000000,
.symbol_rate_min = (XIN/2)/64, /* SACLK/64 == (XIN/2)/64 */
.symbol_rate_max = (XIN/2)/4, /* SACLK/4 */
- #if 0
+#if 0
.frequency_tolerance = ???,
.symbol_rate_tolerance = ???, /* ppm */ /* == 8% (spec p. 5) */
#endif
.init = tda10021_init,
.sleep = tda10021_sleep,
+ .i2c_gate_ctrl = tda10021_i2c_gate_ctrl,
.set_frontend = tda10021_set_parameters,
.get_frontend = tda10021_get_frontend,