Some drivers has additional logic for fixed regulators. Let regulator core
to threat regulators which cannot change their voltage due to applied
constraints as fixed.
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
drivers/regulator/core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 042c1ff..271182e 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1872,7 +1872,10 @@ int regulator_count_voltages(struct regulator *regulator)
{
struct regulator_dev *rdev = regulator->rdev;
- return rdev->desc->n_voltages ? : -EINVAL;
+ if (rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)
+ return rdev->desc->n_voltages ? : -EINVAL;
+ else
+ return 1;
}
EXPORT_SYMBOL_GPL(regulator_count_voltages);
--
1.7.9.5
--
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