static int i2c_hsic_hub_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA |
I2C_FUNC_SMBUS_WORD_DATA))
return -EIO;
/* CONFIG_N bit in SP_ILOCK register has to be set before changing
* other registers to change default configuration of hsic hub.
*/
hsic_hub_set_bits(client, SMSC3503_SP_ILOCK, CONFIG_N);
/* Can change default configuartion like VID,PID, strings etc
* by writing new values to hsic hub registers.
*/
hsic_hub_write_word_data(client, SMSC3503_VENDORID, 0x05C6);
/* CONFIG_N bit in SP_ILOCK register has to be cleared for new
* values in registers to be effective after writing to
* other registers.
*/
hsic_hub_clear_bits(client, SMSC3503_SP_ILOCK, CONFIG_N);
return 0;
}
static int i2c_hsic_hub_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA |
I2C_FUNC_SMBUS_WORD_DATA))
return -EIO;
switch (smsc_hub->pdata->model_id) {
case SMSC3503_ID:
/*
* CONFIG_N bit in SP_ILOCK register has to be set before
* changing other registers to change default configuration
* of hsic hub.
*/
hsic_hub_set_bits(client, SMSC3503_SP_ILOCK, CONFIG_N);
/*
* Can change default configuartion like VID,PID,
* strings etc by writing new values to hsic hub registers
*/
hsic_hub_write_word_data(client, SMSC3503_VENDORID, 0x05C6);
/*
* CONFIG_N bit in SP_ILOCK register has to be cleared
* for new values in registers to be effective after
* writing to other registers.
*/
hsic_hub_clear_bits(client, SMSC3503_SP_ILOCK, CONFIG_N);
break;
case SMSC4604_ID:
/*
* SMSC4604 requires an I2C attach command to be issued
* if I2C bus is connected
*/
return smsc4604_send_connect_cmd(client);
default:
return -EINVAL;
}
return 0;
}
static int i2c_hsic_hub_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA |
I2C_FUNC_SMBUS_WORD_DATA))
return -EIO;
switch (smsc_hub->pdata->model_id) {
case SMSC3503_ID:
hsic_hub_set_bits(client, SMSC3503_SP_ILOCK, CONFIG_N);
hsic_hub_write_word_data(client, SMSC3503_VENDORID, 0x05C6);
hsic_hub_clear_bits(client, SMSC3503_SP_ILOCK, CONFIG_N);
break;
case SMSC4604_ID:
return smsc4604_send_connect_cmd(client);
default:
return -EINVAL;
}
return 0;
}
