iio-sensor-proxy expects the accelerometer oriented as follows:
positive x - to the right, positive y - up (opposite to gravity).
The hardware in the Asus TP300LJ-DW049H is however oriented
differently:
positive x - down, positive y - to the left
This commit adds a ACCEL_MOUNT_MATRIX quirk for this
particular laptop model.
sensor:modalias:acpi:SMO8500*:dmi:*svn*ASUSTeK*:*pn*TP500LB*
ACCEL_MOUNT_MATRIX=0, 1, 0; 1, 0, 0; 0, 0, 0
+sensor:modalias:acpi:SMO8500*:dmi:*svn*ASUSTeK*:*pn*TP300LJ*
+ ACCEL_MOUNT_MATRIX=0, -1, 0; -1, 0, 0; 0, 0, 1
+
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