lp872x_id
enum lp872x_id chipid;
enum lp872x_id chip = lp->chipid;
*lp872x_populate_pdata_from_dt(struct device *dev, enum lp872x_id which)
*lp872x_populate_pdata_from_dt(struct device *dev, enum lp872x_id which)
(enum lp872x_id)id->driver_data);