diff options
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/core.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 98e5d14f94f..2248087b9be 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1745,6 +1745,7 @@ int regulator_set_mode(struct regulator *regulator, unsigned int mode) { struct regulator_dev *rdev = regulator->rdev; int ret; + int regulator_curr_mode; mutex_lock(&rdev->mutex); @@ -1754,6 +1755,15 @@ int regulator_set_mode(struct regulator *regulator, unsigned int mode) goto out; } + /* return if the same mode is requested */ + if (rdev->desc->ops->get_mode) { + regulator_curr_mode = rdev->desc->ops->get_mode(rdev); + if (regulator_curr_mode == mode) { + ret = 0; + goto out; + } + } + /* constraints check */ ret = regulator_check_mode(rdev, mode); if (ret < 0) |