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-rw-r--r--Documentation/ABI/testing/sysfs-driver-hid-wiimote18
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.