Blackberry tablets have reversed accelerometer values (y = x) due to their landscape affinity. The only Blackberry tablet is also the only device with 1024 pixel width, so check for this as it is easier than looking up machine ID.

base/BlackberryMain.cpp

@@ -473,7 +473,15 @@ int main(int argc, char *argv[]) {
 		// Handle accelerometer
 		double x, y, z;
 		accelerometer_read_forces(&x, &y, &z);
-		input_state.acc.x = x; input_state.acc.y = y; input_state.acc.z = z;
+		if (pixel_xres == 1024) // Playbook has this reversed
+		{
+			input_state.acc.x = y;
+			input_state.acc.y = x;
+		} else {
+			input_state.acc.x = x;
+			input_state.acc.y = y;
+		}
+		input_state.acc.z = z;
 		UpdateInputState(&input_state);
 		NativeUpdate(input_state);
 		EndInputState(&input_state);