HID: sony: Calibrate DS4 motion sensors
The DS4 motion sensors require calibration for accurate operation. This patch adds calibration for both the accelerometer and the gyroscope. Calibration requires reading device specific scaling factors and offsets. For precision reasons we store these values as a numerator and denominator and apply the values when processing the data. Signed-off-by: NRoderick Colenbrander <roderick.colenbrander@sony.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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