Commit f2889e65 authored by Mark Brown's avatar Mark Brown
Browse files

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



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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 380a0e6f

drivers/regulator/core.c

+2 −1
Original line number Diff line number Diff line
@@ -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;