From: Srinivas Pandruvada Date: Mon, 28 Apr 2014 23:51:00 +0000 (+0100) Subject: iio: Added ABI description for quaternion X-Git-Tag: firefly_0821_release~176^2~3465^2~39^2~1015^2~33 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b4a2d475ae9baf8fcaa311ba62a404ba1efad147;p=firefly-linux-kernel-4.4.55.git iio: Added ABI description for quaternion Added documentation for reading quaternion components for 3D rotations. Signed-off-by: Srinivas Pandruvada Signed-off-by: Jonathan Cameron --- diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 58ba33300305..6b74691dc281 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_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.