Hi, Brown:
2013/5/23 Mark Brown <broo...@kernel.org>:
> On Wed, May 22, 2013 at 08:10:53PM +0800, yizhang.m...@gmail.com wrote:
>
> You need a DT binding document for any new DT bindings like this one.
>
Thanks for your comments, I'll do it;
>> +static const unsigned int BUCK1_table[] = {
>> + /* 0x00-0x4F: from 0.6 to 1.5875V with step 0.0125V */
>> + /* 0x50-0x7F: from 1.6 to 1.8V with step 0.05V */
>
> Write this out as code, don't use a big table for large sets of
> voltages.
The voltage table is "const", if we write it out as code, seems
it's hard for us
to keep this attribute;
And the voltage of this BUCK is not linear(it's separated as two parts),
seems I shouldn't use the framework helpers to implement it; Right?
what do you think?
>> +static int pm800_list_voltage(struct regulator_dev *rdev, unsigned index)
>> +{
>> + struct pm800_regulator_info *info = rdev_get_drvdata(rdev);
>> + int ret = -EINVAL;
>> +
>> + if (info->vol_table && (index < rdev->desc->n_voltages))
>> + ret = info->vol_table[index];
>> +
>> + return ret;
>> +}
>
> For things that are just table lookups use the framework helpers.
>
OK, I'll change it; thanks for your comments;
>> +static int choose_voltage(struct regulator_dev *rdev, int min_uv, int
>> max_uv)
>> +{
>
> Similarly here.
>
OK, copy that; thanks;
>> +static int pm800_set_voltage(struct regulator_dev *rdev,
>> + int min_uv, int max_uv, unsigned *sel)
>> +{
>> + *sel = choose_voltage(rdev, min_uv, max_uv);
>> + if (*sel < 0)
>> + return -EINVAL;
>> + return regulator_set_voltage_sel_regmap(rdev, *sel);
>> +}
>
> Implement map_voltage.
>
>> + for_each_child_of_node(nproot, np) {
>> + if (!of_node_cmp(np->name, info->desc.name)) {
>> + config->init_data =
>> + of_get_regulator_init_data(&pdev->dev, np);
>> + config->of_node = np;
>> + break;
>> + }
>> + }
>
> Use of_regulator_match().
Copy that, thanks for your comment; I'll change it;
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