* [PATCH v2] regulator: Don't create voltage sysfs entries if we can't read voltage
@ 2011-11-02 13:06 Mark Brown
0 siblings, 0 replies; only message in thread
From: Mark Brown @ 2011-11-02 13:06 UTC (permalink / raw)
To: Liam Girdwood; +Cc: linux-kernel, patches, Mark Brown
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
v1 had an uncommitted change on top, now committed.
drivers/regulator/core.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index 669d021..679f92e 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2503,7 +2503,8 @@ static int add_regulator_attributes(struct regulator_dev *rdev)
int status = 0;
/* some attributes need specific methods to be displayed */
- if (ops->get_voltage || ops->get_voltage_sel) {
+ if ((ops->get_voltage && ops->get_voltage(rdev) >= 0) ||
+ (ops->get_voltage_sel && ops->get_voltage_sel(rdev) >= 0)) {
status = device_create_file(dev, &dev_attr_microvolts);
if (status < 0)
return status;
--
1.7.7.1
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2011-11-02 13:07 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-11-02 13:06 [PATCH v2] regulator: Don't create voltage sysfs entries if we can't read voltage Mark Brown
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®