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lastdragon
2026-09-06 12:53:21 -06:00
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linux-7.2.3/Documentation/ABI/testing/sysfs-bus-iio-mpu6050
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What: /sys/bus/iio/devices/iio:deviceX/in_gyro_matrix
What: /sys/bus/iio/devices/iio:deviceX/in_accel_matrix
What: /sys/bus/iio/devices/iio:deviceX/in_magn_matrix
KernelVersion: 3.4.0
Contact: linux-iio@vger.kernel.org
Description:
This is mounting matrix for motion sensors. Mounting matrix
is a 3x3 unitary matrix. A typical mounting matrix would look like
[0, 1, 0; 1, 0, 0; 0, 0, -1]. Using this information, it would be
easy to tell the relative positions among sensors as well as their
positions relative to the board that holds these sensors. Identity matrix
[1, 0, 0; 0, 1, 0; 0, 0, 1] means sensor chip and device are perfectly
aligned with each other. All axes are exactly the same.