diff options
| -rw-r--r-- | drivers/media/dvb-frontends/ts2020.c | 73 | ||||
| -rw-r--r-- | drivers/media/dvb-frontends/ts2020.h | 7 |
2 files changed, 30 insertions, 50 deletions
diff --git a/drivers/media/dvb-frontends/ts2020.c b/drivers/media/dvb-frontends/ts2020.c index 590f7e1..7b2f301 100644 --- a/drivers/media/dvb-frontends/ts2020.c +++ b/drivers/media/dvb-frontends/ts2020.c @@ -26,6 +26,7 @@ #define FREQ_OFFSET_LOW_SYM_RATE 3000 struct ts2020_priv { + struct i2c_client *client; struct dvb_frontend *fe; /* i2c details */ int i2c_address; @@ -47,8 +48,12 @@ struct ts2020_reg_val { static int ts2020_release(struct dvb_frontend *fe) { - kfree(fe->tuner_priv); - fe->tuner_priv = NULL; + struct ts2020_priv *priv = fe->tuner_priv; + struct i2c_client *client = priv->client; + + dev_dbg(&client->dev, "\n"); + + i2c_unregister_device(client); return 0; } @@ -410,50 +415,22 @@ struct dvb_frontend *ts2020_attach(struct dvb_frontend *fe, const struct ts2020_config *config, struct i2c_adapter *i2c) { - struct ts2020_priv *priv = NULL; - u8 buf; - - priv = kzalloc(sizeof(struct ts2020_priv), GFP_KERNEL); - if (priv == NULL) + struct i2c_client *client; + struct i2c_board_info board_info; + struct ts2020_config pdata; + + memcpy(&pdata, config, sizeof(pdata)); + pdata.fe = fe; + pdata.attach_in_use = true; + + memset(&board_info, 0, sizeof(board_info)); + strlcpy(board_info.type, "ts2020", I2C_NAME_SIZE); + board_info.addr = config->tuner_address; + board_info.platform_data = &pdata; + client = i2c_new_device(i2c, &board_info); + if (!client || !client->dev.driver) return NULL; - priv->i2c_address = config->tuner_address; - priv->i2c = i2c; - priv->clk_out = config->clk_out; - priv->clk_out_div = config->clk_out_div; - priv->frequency_div = config->frequency_div; - priv->fe = fe; - fe->tuner_priv = priv; - - if (!priv->frequency_div) - priv->frequency_div = 1060000; - - /* Wake Up the tuner */ - if ((0x03 & ts2020_readreg(fe, 0x00)) == 0x00) { - ts2020_writereg(fe, 0x00, 0x01); - msleep(2); - } - - ts2020_writereg(fe, 0x00, 0x03); - msleep(2); - - /* Check the tuner version */ - buf = ts2020_readreg(fe, 0x00); - if ((buf == 0x01) || (buf == 0x41) || (buf == 0x81)) { - printk(KERN_INFO "%s: Find tuner TS2020!\n", __func__); - priv->tuner = TS2020_M88TS2020; - } else if ((buf == 0x83) || (buf == 0xc3)) { - printk(KERN_INFO "%s: Find tuner TS2022!\n", __func__); - priv->tuner = TS2020_M88TS2022; - } else { - printk(KERN_ERR "%s: Read tuner reg[0] = %d\n", __func__, buf); - kfree(priv); - return NULL; - } - - memcpy(&fe->ops.tuner_ops, &ts2020_tuner_ops, - sizeof(struct dvb_tuner_ops)); - return fe; } EXPORT_SYMBOL(ts2020_attach); @@ -482,6 +459,7 @@ static int ts2020_probe(struct i2c_client *client, dev->frequency_div = pdata->frequency_div; dev->fe = fe; fe->tuner_priv = dev; + dev->client = client; /* check if the tuner is there */ ret = ts2020_readreg(fe, 0x00); @@ -574,7 +552,8 @@ static int ts2020_probe(struct i2c_client *client, memcpy(&fe->ops.tuner_ops, &ts2020_tuner_ops, sizeof(struct dvb_tuner_ops)); - fe->ops.tuner_ops.release = NULL; + if (!pdata->attach_in_use) + fe->ops.tuner_ops.release = NULL; i2c_set_clientdata(client, dev); return 0; @@ -587,14 +566,10 @@ err: static int ts2020_remove(struct i2c_client *client) { struct ts2020_priv *dev = i2c_get_clientdata(client); - struct dvb_frontend *fe = dev->fe; dev_dbg(&client->dev, "\n"); - memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); - fe->tuner_priv = NULL; kfree(dev); - return 0; } diff --git a/drivers/media/dvb-frontends/ts2020.h b/drivers/media/dvb-frontends/ts2020.h index 1714af9..f40bbcf 100644 --- a/drivers/media/dvb-frontends/ts2020.h +++ b/drivers/media/dvb-frontends/ts2020.h @@ -52,10 +52,15 @@ struct ts2020_config { * pointer to DVB frontend */ struct dvb_frontend *fe; + + /* + * driver private, do not set value + */ + u8 attach_in_use:1; }; +/* Do not add new ts2020_attach() users! Use I2C bindings instead. */ #if IS_REACHABLE(CONFIG_DVB_TS2020) - extern struct dvb_frontend *ts2020_attach( struct dvb_frontend *fe, const struct ts2020_config *config, |
