[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>
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@ -32,6 +32,7 @@
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struct fc0012_priv {
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struct fc0012_priv {
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struct i2c_adapter *i2c;
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struct i2c_adapter *i2c;
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const struct fc0012_config *cfg;
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u8 addr;
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u8 addr;
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u8 dual_master;
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u8 dual_master;
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u8 xtal_freq;
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u8 xtal_freq;
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@ -101,6 +101,9 @@ static int fc0012_init(struct dvb_frontend *fe)
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if (priv->dual_master)
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if (priv->dual_master)
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reg[0x0c] |= 0x02;
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reg[0x0c] |= 0x02;
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if (priv->cfg->loop_through)
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reg[0x09] |= 0x01;
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if (fe->ops.i2c_gate_ctrl)
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */
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fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */
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@ -445,6 +448,7 @@ struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
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return NULL;
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return NULL;
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priv->i2c = i2c;
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priv->i2c = i2c;
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priv->cfg = cfg;
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priv->dual_master = cfg->dual_master;
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priv->dual_master = cfg->dual_master;
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priv->addr = cfg->i2c_address;
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priv->addr = cfg->i2c_address;
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priv->xtal_freq = cfg->xtal_freq;
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priv->xtal_freq = cfg->xtal_freq;
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@ -453,6 +457,9 @@ struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
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fe->tuner_priv = priv;
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fe->tuner_priv = priv;
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if (priv->cfg->loop_through)
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fc0012_writereg(priv, 0x09, 0x6f);
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memcpy(&fe->ops.tuner_ops, &fc0012_tuner_ops,
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memcpy(&fe->ops.tuner_ops, &fc0012_tuner_ops,
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sizeof(struct dvb_tuner_ops));
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sizeof(struct dvb_tuner_ops));
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@ -36,6 +36,11 @@ struct fc0012_config {
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enum fc001x_xtal_freq xtal_freq;
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enum fc001x_xtal_freq xtal_freq;
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int dual_master;
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int dual_master;
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/*
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* RF loop-through
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*/
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bool loop_through;
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};
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};
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#if defined(CONFIG_MEDIA_TUNER_FC0012) || \
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#if defined(CONFIG_MEDIA_TUNER_FC0012) || \
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