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authorAntti Palosaari <crope@iki.fi>2012-12-09 00:30:08 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-06 09:05:59 -0200
commit71b1e82794bbae7b23409e013f7249dd2f382160 (patch)
tree17683b39ceb15888543cf13909eed22dc1a76191 /drivers
parentad3a758bb30ab7c71b67930ae7dcc794d517dd6b (diff)
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/tuners/fc0012-priv.h1
-rw-r--r--drivers/media/tuners/fc0012.c7
-rw-r--r--drivers/media/tuners/fc0012.h5
3 files changed, 13 insertions, 0 deletions
diff --git a/drivers/media/tuners/fc0012-priv.h b/drivers/media/tuners/fc0012-priv.h
index 4577c917e616..1195ee9b9cf7 100644
--- a/drivers/media/tuners/fc0012-priv.h
+++ b/drivers/media/tuners/fc0012-priv.h
@@ -32,6 +32,7 @@
struct fc0012_priv {
struct i2c_adapter *i2c;
+ const struct fc0012_config *cfg;
u8 addr;
u8 dual_master;
u8 xtal_freq;
diff --git a/drivers/media/tuners/fc0012.c b/drivers/media/tuners/fc0012.c
index 5ede0c049bc0..636f951219db 100644
--- a/drivers/media/tuners/fc0012.c
+++ b/drivers/media/tuners/fc0012.c
@@ -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));
diff --git a/drivers/media/tuners/fc0012.h b/drivers/media/tuners/fc0012.h
index 41946f82d02b..891d66d5af3b 100644
--- a/drivers/media/tuners/fc0012.h
+++ b/drivers/media/tuners/fc0012.h
@@ -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) || \

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