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[media] tda18218: implement .get_if_frequency()
Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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022568f058
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522fdf7319
@ -141,19 +141,21 @@ static int tda18218_set_params(struct dvb_frontend *fe,
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switch (params->u.ofdm.bandwidth) {
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switch (params->u.ofdm.bandwidth) {
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case BANDWIDTH_6_MHZ:
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case BANDWIDTH_6_MHZ:
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LP_Fc = 0;
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LP_Fc = 0;
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LO_Frac = params->frequency + 4000000;
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priv->if_frequency = 4000000;
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break;
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break;
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case BANDWIDTH_7_MHZ:
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case BANDWIDTH_7_MHZ:
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LP_Fc = 1;
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LP_Fc = 1;
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LO_Frac = params->frequency + 3500000;
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priv->if_frequency = 3500000;
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break;
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break;
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case BANDWIDTH_8_MHZ:
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case BANDWIDTH_8_MHZ:
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default:
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default:
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LP_Fc = 2;
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LP_Fc = 2;
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LO_Frac = params->frequency + 4000000;
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priv->if_frequency = 4000000;
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break;
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break;
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}
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}
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LO_Frac = params->frequency + priv->if_frequency;
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/* band-pass filter */
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/* band-pass filter */
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if (LO_Frac < 188000000)
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if (LO_Frac < 188000000)
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BP_Filter = 3;
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BP_Filter = 3;
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@ -206,6 +208,14 @@ error:
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return ret;
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return ret;
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}
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}
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static int tda18218_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
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{
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struct tda18218_priv *priv = fe->tuner_priv;
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*frequency = priv->if_frequency;
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dbg("%s: if=%d", __func__, *frequency);
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return 0;
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}
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static int tda18218_sleep(struct dvb_frontend *fe)
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static int tda18218_sleep(struct dvb_frontend *fe)
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{
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{
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struct tda18218_priv *priv = fe->tuner_priv;
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struct tda18218_priv *priv = fe->tuner_priv;
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@ -268,6 +278,8 @@ static const struct dvb_tuner_ops tda18218_tuner_ops = {
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.sleep = tda18218_sleep,
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.sleep = tda18218_sleep,
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.set_params = tda18218_set_params,
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.set_params = tda18218_set_params,
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.get_if_frequency = tda18218_get_if_frequency,
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};
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};
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struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
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struct dvb_frontend *tda18218_attach(struct dvb_frontend *fe,
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@ -100,6 +100,8 @@ struct tda18218_priv {
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struct tda18218_config *cfg;
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struct tda18218_config *cfg;
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struct i2c_adapter *i2c;
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struct i2c_adapter *i2c;
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u32 if_frequency;
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u8 regs[TDA18218_NUM_REGS];
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u8 regs[TDA18218_NUM_REGS];
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};
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};
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