iio: Added ABI description for quaternion
Added documentation for reading quaternion components for 3D rotations.
Signed-off-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 58ba333..6b74691 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -792,6 +792,7 @@
What: /sys/.../iio:deviceX/scan_elements/in_incli_y_en
What: /sys/.../iio:deviceX/scan_elements/in_pressureY_en
What: /sys/.../iio:deviceX/scan_elements/in_pressure_en
+What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_en
KernelVersion: 2.6.37
Contact: [email protected]
Description:
@@ -807,6 +808,7 @@
What: /sys/.../iio:deviceX/scan_elements/in_timestamp_type
What: /sys/.../iio:deviceX/scan_elements/in_pressureY_type
What: /sys/.../iio:deviceX/scan_elements/in_pressure_type
+What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_type
KernelVersion: 2.6.37
Contact: [email protected]
Description:
@@ -853,6 +855,7 @@
What: /sys/.../iio:deviceX/scan_elements/in_timestamp_index
What: /sys/.../iio:deviceX/scan_elements/in_pressureY_index
What: /sys/.../iio:deviceX/scan_elements/in_pressure_index
+What: /sys/.../iio:deviceX/scan_elements/in_rot_quaternion_index
KernelVersion: 2.6.37
Contact: [email protected]
Description:
@@ -899,3 +902,12 @@
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: [email protected]
+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.
