[Patch v3 6/6] iio: Added ABI description for quaternion

[Srinivas Pandruvada]

Added documentation for reading quaternion components for 3D rotations.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
---
 Documentation/ABI/testing/sysfs-bus-iio | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 6e02c50..d1cad9a 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -891,3 +891,12 @@ Contact:	linux-iio@xxxxxxxxxxxxxxx
 Description:
 		This attribute is used to get/set the integration time in
 		seconds.
+
+What:		/sys/bus/iio/devices/iio:deviceX/in_rot_quaternion_raw
+KernelVersion:	3.15
+Contact:	linux-iio@xxxxxxxxxxxxxxx
+Description:
+		Raw value of quaternion components using a format
+		x y z w. Here x, y, and z component represents the axis about
+		which a rotation will occur and w component represents the
+		amount of rotation.
-- 
1.7.11.7

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