RT9471_RANGE_ICHG
[RT9471_RANGE_ICHG] = LINEAR_RANGE(0, 0, 63, 50000),
return rt9471_set_value_by_field_range(chip, F_ICHG_REG, RT9471_RANGE_ICHG, value);
return rt9471_get_value_by_field_range(chip, F_ICHG_REG, RT9471_RANGE_ICHG, pvalue);