diff options
Diffstat (limited to 'drivers/regulator/ab8500-ext.c')
| -rw-r--r-- | drivers/regulator/ab8500-ext.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/regulator/ab8500-ext.c b/drivers/regulator/ab8500-ext.c index b4d45472aae6..e4975bc61e81 100644 --- a/drivers/regulator/ab8500-ext.c +++ b/drivers/regulator/ab8500-ext.c @@ -229,6 +229,28 @@ static unsigned int ab8500_ext_regulator_get_mode(struct regulator_dev *rdev) return ret; } +static int ab8500_ext_set_voltage(struct regulator_dev *rdev, int min_uV, + int max_uV, unsigned *selector) +{ + struct regulation_constraints *regu_constraints = rdev->constraints; + + if (!regu_constraints) { + dev_err(rdev_get_dev(rdev), "No regulator constraints\n"); + return -EINVAL; + } + + if (regu_constraints->min_uV == min_uV && + regu_constraints->max_uV == max_uV) + return 0; + + dev_err(rdev_get_dev(rdev), + "Requested min %duV max %duV != constrained min %duV max %duV\n", + min_uV, max_uV, + regu_constraints->min_uV, regu_constraints->max_uV); + + return -EINVAL; +} + static int ab8500_ext_list_voltage(struct regulator_dev *rdev, unsigned selector) { @@ -252,6 +274,7 @@ static struct regulator_ops ab8500_ext_regulator_ops = { .is_enabled = ab8500_ext_regulator_is_enabled, .set_mode = ab8500_ext_regulator_set_mode, .get_mode = ab8500_ext_regulator_get_mode, + .set_voltage = ab8500_ext_set_voltage, .list_voltage = ab8500_ext_list_voltage, }; |