diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/regulator/core.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 8521e0d6b3bc..5c6aedaa934d 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2070,6 +2070,14 @@ int regulator_map_voltage_linear(struct regulator_dev *rdev, { int ret, voltage; + /* Allow uV_step to be 0 for fixed voltage */ + if (rdev->desc->n_voltages == 1 && rdev->desc->uV_step == 0) { + if (min_uV <= rdev->desc->min_uV && rdev->desc->min_uV <= max_uV) + return 0; + else + return -EINVAL; + } + if (!rdev->desc->uV_step) { BUG_ON(!rdev->desc->uV_step); return -EINVAL; |