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path: root/drivers/media/tuners/mt2060.c
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Diffstat (limited to 'drivers/media/tuners/mt2060.c')
-rw-r--r--drivers/media/tuners/mt2060.c83
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/media/tuners/mt2060.c b/drivers/media/tuners/mt2060.c
index 6f94e171513e..b8acfa27e842 100644
--- a/drivers/media/tuners/mt2060.c
+++ b/drivers/media/tuners/mt2060.c
@@ -392,6 +392,89 @@ struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter
}
EXPORT_SYMBOL(mt2060_attach);
+static int mt2060_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct mt2060_platform_data *pdata = client->dev.platform_data;
+ struct dvb_frontend *fe;
+ struct mt2060_priv *dev;
+ int ret;
+ u8 chip_id;
+
+ dev_dbg(&client->dev, "\n");
+
+ if (!pdata) {
+ dev_err(&client->dev, "Cannot proceed without platform data\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL);
+ if (!dev) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ fe = pdata->dvb_frontend;
+ dev->config.i2c_address = client->addr;
+ dev->config.clock_out = pdata->clock_out;
+ dev->cfg = &dev->config;
+ dev->i2c = client->adapter;
+ dev->if1_freq = pdata->if1 ? pdata->if1 : 1220;
+ dev->client = client;
+
+ ret = mt2060_readreg(dev, REG_PART_REV, &chip_id);
+ if (ret) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ dev_dbg(&client->dev, "chip id=%02x\n", chip_id);
+
+ if (chip_id != PART_REV) {
+ ret = -ENODEV;
+ goto err;
+ }
+
+ dev_info(&client->dev, "Microtune MT2060 successfully identified\n");
+ memcpy(&fe->ops.tuner_ops, &mt2060_tuner_ops, sizeof(fe->ops.tuner_ops));
+ fe->ops.tuner_ops.release = NULL;
+ fe->tuner_priv = dev;
+ i2c_set_clientdata(client, dev);
+
+ mt2060_calibrate(dev);
+
+ return 0;
+err:
+ dev_dbg(&client->dev, "failed=%d\n", ret);
+ return ret;
+}
+
+static int mt2060_remove(struct i2c_client *client)
+{
+ dev_dbg(&client->dev, "\n");
+
+ return 0;
+}
+
+static const struct i2c_device_id mt2060_id_table[] = {
+ {"mt2060", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, mt2060_id_table);
+
+static struct i2c_driver mt2060_driver = {
+ .driver = {
+ .name = "mt2060",
+ .suppress_bind_attrs = true,
+ },
+ .probe = mt2060_probe,
+ .remove = mt2060_remove,
+ .id_table = mt2060_id_table,
+};
+
+module_i2c_driver(mt2060_driver);
+
MODULE_AUTHOR("Olivier DANET");
MODULE_DESCRIPTION("Microtune MT2060 silicon tuner driver");
MODULE_LICENSE("GPL");