1 What: /sys/bus/iio/devices/iio:devic 1 What: /sys/bus/iio/devices/iio:deviceX/in_gyro_matrix
2 What: /sys/bus/iio/devices/iio:devic 2 What: /sys/bus/iio/devices/iio:deviceX/in_accel_matrix
3 What: /sys/bus/iio/devices/iio:devic 3 What: /sys/bus/iio/devices/iio:deviceX/in_magn_matrix
4 KernelVersion: 3.4.0 4 KernelVersion: 3.4.0
5 Contact: linux-iio@vger.kernel.org 5 Contact: linux-iio@vger.kernel.org
6 Description: 6 Description:
7 This is mounting matrix for mo 7 This is mounting matrix for motion sensors. Mounting matrix
8 is a 3x3 unitary matrix. A typ 8 is a 3x3 unitary matrix. A typical mounting matrix would look like
9 [0, 1, 0; 1, 0, 0; 0, 0, -1]. 9 [0, 1, 0; 1, 0, 0; 0, 0, -1]. Using this information, it would be
10 easy to tell the relative posi 10 easy to tell the relative positions among sensors as well as their
11 positions relative to the boar 11 positions relative to the board that holds these sensors. Identity matrix
12 [1, 0, 0; 0, 1, 0; 0, 0, 1] me 12 [1, 0, 0; 0, 1, 0; 0, 0, 1] means sensor chip and device are perfectly
13 aligned with each other. All a 13 aligned with each other. All axes are exactly the same.
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