[media] tda18212: implement .get_if_frequency()

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

drivers/media/common/tuners/tda18212.c

@@ -25,6 +25,8 @@
 struct tda18212_priv {
 	struct tda18212_config *cfg;
 	struct i2c_adapter *i2c;
+
+	u32 if_frequency;
 };
 
 #define dbg(fmt, arg...)					\
@@ -235,6 +237,9 @@ static int tda18212_set_params(struct dvb_frontend *fe,
 	if (ret)
 		goto error;
 
+	/* actual IF rounded as it is on register */
+	priv->if_frequency = buf[3] * 50 * 1000;
+
 exit:
 	if (fe->ops.i2c_gate_ctrl)
 		fe->ops.i2c_gate_ctrl(fe, 0); /* close I2C-gate */
@@ -246,6 +251,15 @@ error:
 	goto exit;
 }
 
+static int tda18212_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)
+{
+	struct tda18212_priv *priv = fe->tuner_priv;
+
+	*frequency = priv->if_frequency;
+
+	return 0;
+}
+
 static int tda18212_release(struct dvb_frontend *fe)
 {
 	kfree(fe->tuner_priv);
@@ -265,6 +279,7 @@ static const struct dvb_tuner_ops tda18212_tuner_ops = {
 	.release       = tda18212_release,
 
 	.set_params    = tda18212_set_params,
+	.get_if_frequency = tda18212_get_if_frequency,
 };
 
 struct dvb_frontend *tda18212_attach(struct dvb_frontend *fe,