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power: regulator: Add limits checking while setting current

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Currently the specific set ops functions are directly
called without any check for min/max current limits for a regulator.
Check for them and proceed.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Fixed checking of current limits:
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Keerthy 2016-10-26 13:42:32 +05:30 committed by Simon Glass
parent eaadcf38dd
commit 5483456e91
1 changed files with 7 additions and 0 deletions
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7
drivers/power/regulator/regulator-uclass.c
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@ -82,6 +82,13 @@ int regulator_get_current(struct udevice *dev)
int regulator_set_current(struct udevice *dev, int uA)
{
const struct dm_regulator_ops *ops = dev_get_driver_ops(dev);
struct dm_regulator_uclass_platdata *uc_pdata;
uc_pdata = dev_get_uclass_platdata(dev);
if (uc_pdata->min_uA != -ENODATA && uA < uc_pdata->min_uA)
return -EINVAL;
if (uc_pdata->max_uA != -ENODATA && uA > uc_pdata->max_uA)
return -EINVAL;
if (!ops || !ops->set_current)
return -ENOSYS;