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[media] fc0012: add RF loop through 

Signed-off-by: Antti Palosaari <crope@iki.fi>
Acked-by: Hans-Frieder Vogt <hfvogt@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Antti Palosaari 2012-12-09 00:30:08 -03:00 committed by Mauro Carvalho Chehab
parent ad3a758bb3
commit 71b1e82794
3 changed files with 13 additions and 0 deletions
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1
drivers/media/tuners/fc0012-priv.h
View File

@ -32,6 +32,7 @@
struct fc0012_priv {
struct i2c_adapter *i2c;
const struct fc0012_config *cfg;
u8 addr;
u8 dual_master;
u8 xtal_freq;

7
drivers/media/tuners/fc0012.c
View File

@ -101,6 +101,9 @@ static int fc0012_init(struct dvb_frontend *fe)
if (priv->dual_master)
reg[0x0c] |= 0x02;
if (priv->cfg->loop_through)
reg[0x09] |= 0x01;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */
@ -445,6 +448,7 @@ struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
return NULL;
priv->i2c = i2c;
priv->cfg = cfg;
priv->dual_master = cfg->dual_master;
priv->addr = cfg->i2c_address;
priv->xtal_freq = cfg->xtal_freq;
@ -453,6 +457,9 @@ struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
fe->tuner_priv = priv;
if (priv->cfg->loop_through)
fc0012_writereg(priv, 0x09, 0x6f);
memcpy(&fe->ops.tuner_ops, &fc0012_tuner_ops,
sizeof(struct dvb_tuner_ops));

5
drivers/media/tuners/fc0012.h
View File

@ -36,6 +36,11 @@ struct fc0012_config {
enum fc001x_xtal_freq xtal_freq;
int dual_master;
/*
* RF loop-through
*/
bool loop_through;
};
#if defined(CONFIG_MEDIA_TUNER_FC0012) || \