static int ricoh61x_gpio_get(struct gpio_chip *gc, unsigned offset)
{
struct ricoh61x *ricoh61x = container_of(gc, struct ricoh61x,
gpio_chip);
uint8_t val;
int ret;
ret = ricoh61x_read(ricoh61x->dev, RICOH61x_GPIO_MON_IOIN, &val);
if (ret < 0)
return ret;
return ((val & (0x1 << offset)) != 0);
}
static int ricoh61x_reg_is_enabled(struct regulator_dev *rdev)
{
struct ricoh61x_regulator *ri = rdev_get_drvdata(rdev);
struct device *parent = to_ricoh61x_dev(rdev);
uint8_t control;
int ret;
ret = ricoh61x_read(parent, ri->reg_en_reg, &control);
if (ret < 0) {
dev_err(&rdev->dev, "Error in reading the control register\n");
return ret;
}
return (((control >> ri->en_bit) & 1) == 1);
}
static inline int ricoh61x_cache_regulator_register(struct device *parent,
struct ricoh61x_regulator *ri)
{
ri->vout_reg_cache = 0;
return ricoh61x_read(parent, ri->vout_reg, &ri->vout_reg_cache);
}
