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regulator: core: Report microvolts in sysfs even with only list_voltage()

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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>
This commit is contained in:
Mark Brown 2012-08-27 11:37:04 -07:00
parent 380a0e6f72
commit f2889e650a
1 changed files with 2 additions and 1 deletions
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3
drivers/regulator/core.c
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@ -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;