*min_uV = regulator->min_uV;
}
- if (*min_uV > *max_uV)
+ if (*min_uV > *max_uV) {
+ dev_err(regulator->dev, "Restricting voltage, %u-%uuV\n",
+ regulator->min_uV, regulator->max_uV);
return -EINVAL;
+ }
return 0;
}
/* final: [min_uV..max_uV] valid iff constraints valid */
if (max_uV < min_uV) {
- rdev_err(rdev, "unsupportable voltage constraints\n");
+ rdev_err(rdev,
+ "unsupportable voltage constraints %u-%uuV\n",
+ min_uV, max_uV);
return -EINVAL;
}
if (rdev->constraints &&
rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE &&
- rdev->desc->n_voltages > 1)
+ (rdev->desc->n_voltages - rdev->desc->linear_min_sel) > 1)
return 1;
return 0;
{
if (selector >= rdev->desc->n_voltages)
return -EINVAL;
+ if (selector < rdev->desc->linear_min_sel)
+ return 0;
+
+ selector -= rdev->desc->linear_min_sel;
return rdev->desc->min_uV + (rdev->desc->uV_step * selector);
}
return ret;
}
+ /* Any voltage within constrains range is fine? */
+ if (rdev->desc->continuous_voltage_range)
+ return min_uV >= rdev->constraints->min_uV &&
+ max_uV <= rdev->constraints->max_uV;
+
ret = regulator_count_voltages(regulator);
if (ret < 0)
return ret;
if (ret < 0)
return ret;
+ ret += rdev->desc->linear_min_sel;
+
/* Map back into a voltage to verify we're still in bounds */
voltage = rdev->desc->ops->list_voltage(rdev, ret);
if (voltage < min_uV || voltage > max_uV)