i2c_ctrl_init
if (!i2c_ctrl_init(i2cadm.i2c_hdl, arg.icl_nexus, &ctrl)) {
extern bool i2c_ctrl_init(i2c_hdl_t *, di_node_t, i2c_ctrl_t **);
bool ret = i2c_ctrl_init(hdl, dn, ctrlp);
if (!i2c_ctrl_init(hdl, di, &cb->cc_i2c)) {
if (!i2c_ctrl_init(hdl, di, &cb->cc_smbus)) {