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path: root/drivers/media/dvb-frontends/rtl2832.c
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Diffstat (limited to 'drivers/media/dvb-frontends/rtl2832.c')
-rw-r--r--drivers/media/dvb-frontends/rtl2832.c90
1 files changed, 82 insertions, 8 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c
index 53b446afe030..8c36a8415c4c 100644
--- a/drivers/media/dvb-frontends/rtl2832.c
+++ b/drivers/media/dvb-frontends/rtl2832.c
@@ -1183,6 +1183,80 @@ static struct dvb_frontend_ops rtl2832_ops = {
.i2c_gate_ctrl = rtl2832_i2c_gate_ctrl,
};
+static struct dvb_frontend *rtl2832_get_dvb_frontend(struct i2c_client *client)
+{
+ struct rtl2832_priv *dev = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+ return &dev->fe;
+}
+
+static struct i2c_adapter *rtl2832_get_i2c_adapter_(struct i2c_client *client)
+{
+ struct rtl2832_priv *dev = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+ return dev->i2c_adapter_tuner;
+}
+
+static struct i2c_adapter *rtl2832_get_private_i2c_adapter_(struct i2c_client *client)
+{
+ struct rtl2832_priv *dev = i2c_get_clientdata(client);
+
+ dev_dbg(&client->dev, "\n");
+ return dev->i2c_adapter;
+}
+
+static int rtl2832_enable_slave_ts(struct i2c_client *client)
+{
+ struct rtl2832_priv *dev = i2c_get_clientdata(client);
+ int ret;
+
+ dev_dbg(&client->dev, "setting PIP mode\n");
+
+ ret = rtl2832_wr_regs(dev, 0x0c, 1, "\x5f\xff", 2);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_wr_demod_reg(dev, DVBT_PIP_ON, 0x1);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_wr_reg(dev, 0xbc, 0, 0x18);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_wr_reg(dev, 0x22, 0, 0x01);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_wr_reg(dev, 0x26, 0, 0x1f);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_wr_reg(dev, 0x27, 0, 0xff);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_wr_regs(dev, 0x92, 1, "\x7f\xf7\xff", 3);
+ if (ret)
+ goto err;
+
+ /* soft reset */
+ ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x1);
+ if (ret)
+ goto err;
+
+ ret = rtl2832_wr_demod_reg(dev, DVBT_SOFT_RST, 0x0);
+ if (ret)
+ goto err;
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
static int rtl2832_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -1195,13 +1269,6 @@ static int rtl2832_probe(struct i2c_client *client,
dev_dbg(&client->dev, "\n");
- /* Caller really need to provide pointer for frontend we create. */
- if (pdata->dvb_frontend == NULL) {
- dev_err(&client->dev, "frontend pointer not defined\n");
- ret = -EINVAL;
- goto err;
- }
-
/* allocate memory for the internal state */
priv = kzalloc(sizeof(struct rtl2832_priv), GFP_KERNEL);
if (priv == NULL) {
@@ -1243,7 +1310,14 @@ static int rtl2832_probe(struct i2c_client *client,
priv->fe.ops.release = NULL;
priv->fe.demodulator_priv = priv;
i2c_set_clientdata(client, priv);
- *pdata->dvb_frontend = &priv->fe;
+ if (pdata->dvb_frontend)
+ *pdata->dvb_frontend = &priv->fe;
+
+ /* setup callbacks */
+ pdata->get_dvb_frontend = rtl2832_get_dvb_frontend;
+ pdata->get_i2c_adapter = rtl2832_get_i2c_adapter_;
+ pdata->get_private_i2c_adapter = rtl2832_get_private_i2c_adapter_;
+ pdata->enable_slave_ts = rtl2832_enable_slave_ts;
dev_info(&client->dev, "Realtek RTL2832 successfully attached\n");
return 0;
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