On Sat, Dec 24, 2011 at 12:12:24AM +0100, Janusz Krzysztofik wrote:
> +struct regulator_consumer_data {
> + struct mutex lock;
> + struct regulator *regulator;
> + bool enabled;
> +};
> +
> +static int regulator_toggle(struct regulator_consumer_data *consumer,
> + bool enable)
> +{
> + int err = 0;
> +
> + if (!consumer->regulator)
> + return -ENODEV;
> +
> + mutex_lock(&consumer->lock);
> + if (IS_ERR(consumer->regulator)) {
> + err = PTR_ERR(consumer->regulator);
> + } else if (enable) {
> + if (!consumer->enabled) {
> + err = regulator_enable(consumer->regulator);
> + consumer->enabled = true;
> + }
> + } else {
> + if (consumer->enabled) {
> + err = regulator_disable(consumer->regulator);
> + consumer->enabled = false;
> + }
> + }
> + mutex_unlock(&consumer->lock);
> +
> + return err;
> +}
> +
Why's this code not been dropped and what is it for?
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