1 files changed, 21 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-class-regulator b/Documentation/ABI/testing/sysfs-class-regulator
index e091fa873792..bc578bc60628 100644
--- a/Documentation/ABI/testing/sysfs-class-regulator
+++ b/Documentation/ABI/testing/sysfs-class-regulator
@@ -349,3 +349,24 @@ Description:
 
                 This will be one of the same strings reported by
                 the "state" attribute.
+
+What:           /sys/class/regulator/.../bypass
+Date:           September 2012
+KernelVersion:  3.7
+Contact:        Mark Brown <broonie@opensource.wolfsonmicro.com>
+Description:
+                Some regulator directories will contain a field called
+                bypass.  This indicates if the device is in bypass mode.
+
+                This will be one of the following strings:
+
+                'enabled'
+                'disabled'
+                'unknown'
+
+                'enabled' means the regulator is in bypass mode.
+
+                'disabled' means that the regulator is regulating.
+
+                'unknown' means software cannot determine the state, or
+                the reported state is invalid.