smi_add_i2c_client
tuner_client = smi_add_i2c_client(tuner_i2c_adapter, &tuner_info);
tuner_client = smi_add_i2c_client(tuner_i2c_adapter, &tuner_info);
client_demod = smi_add_i2c_client(i2c, &client_info);
client_tuner = smi_add_i2c_client(tuner_i2c_adapter, &client_info);