Re: [NEW DRIVER V2 7/7] DA9058 REGULATOR driver

[Mark Brown <broonie@opensource.wolfsonmicro.com>]

On Sun, Aug 05, 2012 at 09:43:44PM +0100, Anthony Olech wrote:

> This is the REGULATOR component driver of the Dialog DA9058 PMIC.

Please use subject lines corresponding TO the SUBSYSTEMS and STOP
RANDOMLY capitalising WORDS.

> +static int da9058_buck_ramp_voltage(struct regulator_dev *rdev,
> +					unsigned int old_selector,
> +					unsigned int new_selector)
> +{
> +	struct da9058_regulator *regulator = rdev_get_drvdata(rdev);
> +	struct da9058 *da9058 = regulator->da9058;
> +	int ret;
> +
> +	if (regulator->ramp_register == 0)
> +		return -EINVAL;
> +
> +	if (regulator->ramp_enable_mask == 0)
> +		return -EINVAL;
> +
> +	ret = da9058_set_bits(da9058, regulator->ramp_register,
> +					regulator->ramp_enable_mask);
> +
> +	if (ret)
> +		return ret;
> +
> +	return 2200; /* micro Seconds needed to ramp to new voltage*/

This looks confused.  Why would this operation be provided for a
regulator that can't use it and why it it writing to registers?

> +static int da9058_get_fixed_regulator_voltage(struct regulator_dev *rdev)
> +{

No, use the framework features.