diff options
| -rw-r--r-- | drivers/power/regulator/regulator-uclass.c | 11 | ||||
| -rw-r--r-- | include/power/regulator.h | 11 | ||||
| -rw-r--r-- | test/dm/regulator.c | 21 |
3 files changed, 43 insertions, 0 deletions
diff --git a/drivers/power/regulator/regulator-uclass.c b/drivers/power/regulator/regulator-uclass.c index 4511625ff2..6f355b969a 100644 --- a/drivers/power/regulator/regulator-uclass.c +++ b/drivers/power/regulator/regulator-uclass.c @@ -118,6 +118,17 @@ int regulator_set_enable(struct udevice *dev, bool enable) return ops->set_enable(dev, enable); } +int regulator_set_enable_if_allowed(struct udevice *dev, bool enable) +{ + int ret; + + ret = regulator_set_enable(dev, enable); + if (ret == -ENOSYS || ret == -EACCES) + return 0; + + return ret; +} + int regulator_get_mode(struct udevice *dev) { const struct dm_regulator_ops *ops = dev_get_driver_ops(dev); diff --git a/include/power/regulator.h b/include/power/regulator.h index 5318ab3ace..314160a894 100644 --- a/include/power/regulator.h +++ b/include/power/regulator.h @@ -304,6 +304,17 @@ int regulator_get_enable(struct udevice *dev); int regulator_set_enable(struct udevice *dev, bool enable); /** + * regulator_set_enable_if_allowed: set regulator enable state if allowed by + * regulator + * + * @dev - pointer to the regulator device + * @enable - set true or false + * @return - 0 on success or if enabling is not supported + * -errno val if fails. + */ +int regulator_set_enable_if_allowed(struct udevice *dev, bool enable); + +/** * regulator_get_mode: get active operation mode id of a given regulator * * @dev - pointer to the regulator device diff --git a/test/dm/regulator.c b/test/dm/regulator.c index 5d11e946b2..e510539542 100644 --- a/test/dm/regulator.c +++ b/test/dm/regulator.c @@ -175,6 +175,27 @@ static int dm_test_power_regulator_set_get_enable(struct unit_test_state *uts) } DM_TEST(dm_test_power_regulator_set_get_enable, DM_TESTF_SCAN_FDT); +/* Test regulator set and get enable if allowed method */ +static +int dm_test_power_regulator_set_enable_if_allowed(struct unit_test_state *uts) +{ + const char *platname; + struct udevice *dev, *dev_autoset; + bool val_set = false; + + /* Get BUCK1 - always on regulator */ + platname = regulator_names[BUCK1][PLATNAME]; + ut_assertok(regulator_autoset_by_name(platname, &dev_autoset)); + ut_assertok(regulator_get_by_platname(platname, &dev)); + + /* Try disabling always-on regulator */ + ut_assertok(regulator_set_enable_if_allowed(dev, val_set)); + ut_asserteq(regulator_get_enable(dev), !val_set); + + return 0; +} +DM_TEST(dm_test_power_regulator_set_enable_if_allowed, DM_TESTF_SCAN_FDT); + /* Test regulator set and get mode method */ static int dm_test_power_regulator_set_get_mode(struct unit_test_state *uts) { |