[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
--- a/drivers/media/common/tuners/tda18218.c
+++ b/drivers/media/common/tuners/tda18218.c
@@ -141,19 +141,21 @@
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 @@
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 @@
.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
--- a/drivers/media/common/tuners/tda18218_priv.h
+++ b/drivers/media/common/tuners/tda18218_priv.h
@@ -100,6 +100,8 @@
struct tda18218_config *cfg;
struct i2c_adapter *i2c;
+ u32 if_frequency;
+
u8 regs[TDA18218_NUM_REGS];
};