diff options
| author | Keerthy <j-keerthy@ti.com> | 2016-10-26 08:12:31 (GMT) |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-11-26 00:58:09 (GMT) |
| commit | eaadcf38ddfe23aee9c3a85a96d4103f5398fc5e (patch) | |
| tree | fe435e35b1fc14668290aecd8166cf0af538a25c | |
| parent | 2f5d532f3b8a7697dc1b5700000b1e350323d50c (diff) | |
| download | u-boot-eaadcf38ddfe23aee9c3a85a96d4103f5398fc5e.tar.xz | |
power: regulator: Add limits checking while setting voltage
Currently the specific set ops functions are directly
called without any check for voltage limits for a regulator.
Check for them and proceed.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Fixed checking of voltate limits:
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/power/regulator/regulator-uclass.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c index d644009..e48d213 100644 --- a/drivers/power/regulator/regulator-uclass.c +++ b/drivers/power/regulator/regulator-uclass.c @@ -41,6 +41,13 @@ int regulator_get_value(struct udevice *dev) int regulator_set_value(struct udevice *dev, int uV) { 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_uV != -ENODATA && uV < uc_pdata->min_uV) + return -EINVAL; + if (uc_pdata->max_uV != -ENODATA && uV > uc_pdata->max_uV) + return -EINVAL; if (!ops || !ops->set_value) return -ENOSYS; |