i2c_add_adapter
ret = i2c_add_adapter(&i2c->adapter);
res = i2c_add_adapter(&i2c->base);
ret = i2c_add_adapter(&aux->ddc);
return i2c_add_adapter(&aux->ddc);
ret = i2c_add_adapter(&bus->adapter);
return i2c_add_adapter(&sdvo->ddc) == 0;
extern int i2c_add_adapter(struct i2c_adapter *);
ret = i2c_add_adapter(&i2c->adapter);
ret = i2c_add_adapter(&i2c->adapter);
i2c_add_adapter(&i2c->adapter);