> static struct regulator_ops max77686_ops = { > .list_voltage = regulator_list_voltage_linear, > .map_voltage = regulator_map_voltage_linear, > @@ -90,6 +114,7 @@ static struct regulator_ops max77686_buck_dvs_ops = { > .get_voltage_sel = regulator_get_voltage_sel_regmap, > .set_voltage_sel = regulator_set_voltage_sel_regmap, > .set_voltage_time_sel = regulator_set_voltage_time_sel, > + .set_ramp_delay = max77686_set_ramp_delay, > }; I think what you want here is to set .set_ramp_delay callback for max77686_buck_dvs_ops rather than max77686_ops. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/