Commit 522fdf73 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] tda18218: implement .get_if_frequency() 



Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 022568f0

drivers/media/common/tuners/tda18218.c

+15 −3
Original line number Diff line number Diff line
@@ -141,19 +141,21 @@ static int tda18218_set_params(struct dvb_frontend *fe, 
	switch (params->u.ofdm.bandwidth) {

	case BANDWIDTH_6_MHZ:

		LP_Fc = 0;

		LO_Frac = params->frequency + 4000000;

		priv->if_frequency = 4000000;

		break;

	case BANDWIDTH_7_MHZ:

		LP_Fc = 1;

		LO_Frac = params->frequency + 3500000;

		priv->if_frequency = 3500000;

		break;

	case BANDWIDTH_8_MHZ:

	default:

		LP_Fc = 2;

		LO_Frac = params->frequency + 4000000;

		priv->if_frequency = 4000000;

		break;

	}



	LO_Frac = params->frequency + priv->if_frequency;



	/* band-pass filter */

	if (LO_Frac < 188000000)

		BP_Filter = 3;
@@ -206,6 +208,14 @@ static int tda18218_set_params(struct dvb_frontend *fe, 
	return ret;

}



static int tda18218_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)

{

	struct tda18218_priv *priv = fe->tuner_priv;

	*frequency = priv->if_frequency;

	dbg("%s: if=%d", __func__, *frequency);

	return 0;

}



static int tda18218_sleep(struct dvb_frontend *fe)

{

	struct tda18218_priv *priv = fe->tuner_priv;
@@ -268,6 +278,8 @@ static const struct dvb_tuner_ops tda18218_tuner_ops = { 
	.sleep         = tda18218_sleep,



	.set_params    = tda18218_set_params,



	.get_if_frequency = tda18218_get_if_frequency,

};



struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,

drivers/media/common/tuners/tda18218_priv.h

+2 −0
Original line number Diff line number Diff line
@@ -100,6 +100,8 @@ struct tda18218_priv { 
	struct tda18218_config *cfg;

	struct i2c_adapter *i2c;



	u32 if_frequency;



	u8 regs[TDA18218_NUM_REGS];

};