[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>

diff --git a/drivers/media/tuners/fc0012-priv.h b/drivers/media/tuners/fc0012-priv.h
index 4577c91..1195ee9 100644 (file)
--- 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 5ede0c0..636f951 100644 (file)
--- 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 41946f8..891d66d 100644 (file)
--- 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) || \