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regulator: Assume regulators are enabled if they don't report anything

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If a regulator driver does not provide a way to query if the driver is
enabled then assume that it is enabled.  This is very likely to reflect
the actual state is more useful for callers than reporting an error.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Mark Brown 2010-02-11 17:22:45 +00:00 committed by Liam Girdwood
parent 17133dc824
commit 9a7f6a4c6e
1 changed files with 2 additions and 2 deletions
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4
drivers/regulator/core.c
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@ -1466,9 +1466,9 @@ EXPORT_SYMBOL_GPL(regulator_force_disable);
static int _regulator_is_enabled(struct regulator_dev *rdev)
{
/* sanity check */
/* If we don't know then assume that the regulator is always on */
if (!rdev->desc->ops->is_enabled)
return -EINVAL;
return 1;
return rdev->desc->ops->is_enabled(rdev);
}