[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>

1 files changed, 7 insertions, 0 deletions

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));