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linux-imx/Documentation/ABI/testing/sysfs-bus-iio-mpu6050
Ge Gao 09a642b785 Invensense MPU6050 Device Driver. 
This the basic functional Invensense MPU6050 Device driver.

Signed-off-by: Ge Gao <ggao@invensense.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-02-10 17:42:43 +00:00

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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.