On Fri, Nov 20, 2020 at 12:14:57PM +0000, Adam Ward wrote:
> +static bool da9121_rdev_to_buck_reg_mask(struct regulator_dev *rdev, bool
> mode,
> + unsigned int *reg, unsigned int *msk)
> +{
> + struct da9121 *chip = rdev_get_drvdata(rdev);
> + int id = rdev_get_id(rdev);
> +
> + switch (id) {
> + case DA9121_IDX_BUCK1:
> + if (mode) {
> + *reg = DA9121_REG_BUCK_BUCK1_4;
> + *msk = DA9121_MASK_BUCK_BUCKx_4_CHx_A_MODE;
> + } else {
> + *reg = DA9121_REG_BUCK_BUCK1_2;
> + *msk = DA9121_MASK_BUCK_BUCKx_2_CHx_ILIM;
> + }
> + break;This is really not an easy interface to understand, the boolean flag saying which register set to pick is not particularly obvious to read and won't scale. The usual pattern with things like this is to store information in driver data at probe time.
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