Added documentation for reading quaternion components for 3D rotations.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruv...@linux.intel.com>
---
Documentation/ABI/testing/sysfs-bus-iio | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-bus-iio
b/Documentation/ABI/testing/sysfs-bus-iio
index 6e02c50..d2c59f9 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -784,6 +784,7 @@ 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-...@vger.kernel.org
Description:
@@ -799,6 +800,7 @@ 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-...@vger.kernel.org
Description:
@@ -845,6 +847,7 @@ 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-...@vger.kernel.org
Description:
@@ -891,3 +894,12 @@ Contact: linux-...@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-...@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.
--
1.7.11.7
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