[media] tda18218: implement .get_if_frequency()

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/common/tuners/tda18218.c b/drivers/media/common/tuners/tda18218.c
index aacfe23..1c86595 100644 (file)
--- a/drivers/media/common/tuners/tda18218.c
+++ b/drivers/media/common/tuners/tda18218.c
@@ -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 @@ error:
        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,

diff --git a/drivers/media/common/tuners/tda18218_priv.h b/drivers/media/common/tuners/tda18218_priv.h
index 904e536..dc52b72 100644 (file)
--- a/drivers/media/common/tuners/tda18218_priv.h
+++ b/drivers/media/common/tuners/tda18218_priv.h
@@ -100,6 +100,8 @@ struct tda18218_priv {
        struct tda18218_config *cfg;
        struct i2c_adapter *i2c;
 
+       u32 if_frequency;
+
        u8 regs[TDA18218_NUM_REGS];
 };