From 71b1e82794bbae7b23409e013f7249dd2f382160 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sun, 9 Dec 2012 00:30:08 -0300 Subject: [PATCH] [media] fc0012: add RF loop through Signed-off-by: Antti Palosaari Acked-by: Hans-Frieder Vogt Signed-off-by: Mauro Carvalho Chehab --- drivers/media/tuners/fc0012-priv.h | 1 + drivers/media/tuners/fc0012.c | 7 +++++++ drivers/media/tuners/fc0012.h | 5 +++++ 3 files changed, 13 insertions(+) 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) || \ -- 2.30.2