Messages in this thread Patch in this message | | | From | Mark Brown <> | Subject | [PATCH] regulator: core: Report microvolts in sysfs even with only list_voltage() | Date | Mon, 27 Aug 2012 11:37:46 -0700 |
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If a regulator only supports a single voltage list_voltage() can be used to report what that voltage is so add this as one of the criteria for creating the microvolts file in sysfs.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.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 06186ba..db7d59a 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -3020,7 +3020,8 @@ static int add_regulator_attributes(struct regulator_dev *rdev) /* some attributes need specific methods to be displayed */ if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) || - (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0)) { + (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0) || + (ops->list_voltage && ops->list_voltage(rdev, 0) >= 0)) { status = device_create_file(dev, &dev_attr_microvolts); if (status < 0) return status; -- 1.7.10.4
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