Messages in this thread Patch in this message |  | | | Subject | [PATCH 1/6] regulator: core: Add checking n_voltages if using list_voltage() to read voltage regulators | | From | Axel Lin <> | | Date | Fri, 10 Aug 2012 09:32:33 +0800 |
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Use list_voltage() to read single voltage regulators should be only applied to single voltage regulators, thus add checking n_voltages for this case.
Signed-off-by: Axel Lin <axel.lin@gmail.com> --- drivers/regulator/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 0fffeae..5469f9f 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -2395,7 +2395,8 @@ static int _regulator_get_voltage(struct regulator_dev *rdev) ret = rdev->desc->ops->list_voltage(rdev, sel); } else if (rdev->desc->ops->get_voltage) { ret = rdev->desc->ops->get_voltage(rdev); - } else if (rdev->desc->ops->list_voltage) { + } else if (rdev->desc->ops->list_voltage && + (rdev->desc->n_voltages == 1)) { ret = rdev->desc->ops->list_voltage(rdev, 0); } else { return -EINVAL; -- 1.7.9.5
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