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[media] tda18212: implement .get_if_frequency() 

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari 2011-11-13 11:20:08 -03:00 committed by Mauro Carvalho Chehab
parent ed9405140e
commit 835bf82ce4
1 changed files with 15 additions and 0 deletions
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15
drivers/media/common/tuners/tda18212.c
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@ -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,