LP_INT_ENABLE
ena = lp_gpio_reg(&lg->chip, base, LP_INT_ENABLE);
void __iomem *reg = lp_gpio_reg(&lg->chip, hwirq, LP_INT_ENABLE);
void __iomem *reg = lp_gpio_reg(&lg->chip, hwirq, LP_INT_ENABLE);
reg = lp_gpio_reg(&lg->chip, base, LP_INT_ENABLE);