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    SubjectRe: [PATCH 4/4] ASoC: OMAP: ams-delta: drop .set_bias_level callback
    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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