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-rw-r--r--Documentation/ABI/testing/sysfs-class-devfreq11
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-devfreq b/Documentation/ABI/testing/sysfs-class-devfreq
index e672ccb02e7f..40f98a9428dc 100644
--- a/Documentation/ABI/testing/sysfs-class-devfreq
+++ b/Documentation/ABI/testing/sysfs-class-devfreq
@@ -44,6 +44,17 @@ Description:
(/sys/class/devfreq/.../central_polling is 0), this value
may be useless.
+What: /sys/class/devfreq/.../trans_stat
+Date: October 2012
+Contact: MyungJoo Ham <myungjoo.ham@samsung.com>
+Descrtiption:
+ This ABI shows the statistics of devfreq behavior on a
+ specific device. It shows the time spent in each state and
+ the number of transitions between states.
+ In order to activate this ABI, the devfreq target device
+ driver should provide the list of available frequencies
+ with its profile.
+
What: /sys/class/devfreq/.../userspace/set_freq
Date: September 2011
Contact: MyungJoo Ham <myungjoo.ham@samsung.com>