pmbus_get_fan_rate_device
rv = pmbus_get_fan_rate_device(client, page, 0, percent);
int pmbus_get_fan_rate_device(struct i2c_client *client, int page, int id,
rv = pmbus_get_fan_rate_device(client, page, id, rpm);
EXPORT_SYMBOL_NS_GPL(pmbus_get_fan_rate_device, "PMBUS");