On Fri, Feb 16, 2018 at 12:47 PM, Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
> Add a driver for the Pericom PI3USB30532 Type-C cross switch /
> mux chip found on some devices with a Type-C port.
> +static int pi3usb30532_set_conf(struct pi3usb30532 *pi, u8 new_conf)
> +{
> + int ret = 0;
> +
> + if (pi->conf == new_conf)
> + return 0;
> +
> + ret = i2c_smbus_write_byte_data(pi->client, PI3USB30532_CONF, new_conf);
> + if (ret == 0)
> + pi->conf = new_conf;
> + else
> + dev_err(&pi->client->dev, "Error writing conf: %d\n", ret);
Usual pattern, please.
if (ret) {
...
return ret;
}
return 0;
> +
> + return ret;
> +}
--
With Best Regards,
Andy Shevchenko
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