regulator: Support list_voltage for fixed voltage regulator
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index 6e0bede..4c525af 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -44,10 +44,22 @@
return data->microvolts;
}
+static int fixed_voltage_list_voltage(struct regulator_dev *dev,
+ unsigned selector)
+{
+ struct fixed_voltage_data *data = rdev_get_drvdata(dev);
+
+ if (selector != 0)
+ return -EINVAL;
+
+ return data->microvolts;
+}
+
static struct regulator_ops fixed_voltage_ops = {
.is_enabled = fixed_voltage_is_enabled,
.enable = fixed_voltage_enable,
.get_voltage = fixed_voltage_get_voltage,
+ .list_voltage = fixed_voltage_list_voltage,
};
static int regulator_fixed_voltage_probe(struct platform_device *pdev)
@@ -69,7 +81,8 @@
}
drvdata->desc.type = REGULATOR_VOLTAGE;
drvdata->desc.owner = THIS_MODULE;
- drvdata->desc.ops = &fixed_voltage_ops,
+ drvdata->desc.ops = &fixed_voltage_ops;
+ drvdata->desc.n_voltages = 1;
drvdata->microvolts = config->microvolts;