1 files changed, 18 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-driver-hid-wiimote b/Documentation/ABI/testing/sysfs-driver-hid-wiimote
index ed5dd567d397..39dfa5cb1cc5 100644
--- a/Documentation/ABI/testing/sysfs-driver-hid-wiimote
+++ b/Documentation/ABI/testing/sysfs-driver-hid-wiimote
@@ -57,3 +57,21 @@ Description:	This attribute is only provided if the device was detected as a
                 Calibration data is already applied by the kernel to all input
                 values but may be used by user-space to perform other
                 transformations.
+
+What:           /sys/bus/hid/drivers/wiimote/<dev>/pro_calib
+Date:           October 2013
+KernelVersion:  3.13
+Contact:        David Herrmann <dh.herrmann@gmail.com>
+Description:    This attribute is only provided if the device was detected as a
+                pro-controller. It provides a single line with 4 calibration
+                values for all 4 analog sticks. Format is: "x1:y1 x2:y2". Data
+                is prefixed with a +/-. Each value is a signed 16bit number.
+                Data is encoded as decimal numbers and specifies the offsets of
+                the analog sticks of the pro-controller.
+                Calibration data is already applied by the kernel to all input
+                values but may be used by user-space to perform other
+                transformations.
+                Calibration data is detected by the kernel during device setup.
+                You can write "scan\n" into this file to re-trigger calibration.
+                You can also write data directly in the form "x1:y1 x2:y2" to
+                set the calibration values manually.