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Commit b4a2d475 authored by Srinivas Pandruvada's avatar Srinivas Pandruvada Committed by Jonathan Cameron
Browse files

iio: Added ABI description for quaternion 



Added documentation for reading quaternion components for 3D rotations.

Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent fc18dddc

Documentation/ABI/testing/sysfs-bus-iio

+12 −0
Original line number Diff line number Diff line
@@ -792,6 +792,7 @@ What: /sys/.../iio:deviceX/scan_elements/in_incli_x_en 
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:	linux-iio@vger.kernel.org

Description:
@@ -807,6 +808,7 @@ What: /sys/.../iio:deviceX/scan_elements/in_voltageY_supply_type 
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:	linux-iio@vger.kernel.org

Description:
@@ -853,6 +855,7 @@ What: /sys/.../iio:deviceX/scan_elements/in_incli_y_index 
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:	linux-iio@vger.kernel.org

Description:
@@ -899,3 +902,12 @@ Contact: linux-iio@vger.kernel.org 
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@vger.kernel.org

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.