D457 MIPI enable multiple cameras for single DES.

Following DSO-18585 PR IntelRealSense#11070 For use with jp5-2d457-1-des Signed-off-by: Dmitry Perchanov <[email protected]>
dmipx · Feb 1, 2023 · 097cc39 · 097cc39
1 parent 4b8f7f6
commit 097cc39
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/linux/backend-v4l2.cpp b/src/linux/backend-v4l2.cpp
@@ -762,6 +762,7 @@ namespace librealsense
             // next several lines permit to use D457 even if a usb device has already "taken" the video0,1,2 (for example)
             // further development is needed to permit use of several mipi devices
             static int  first_video_index = ind;
+            int cam_id = ind / 6;
             ind = (ind - first_video_index) % 6; // offset from first mipi video node and assume 6 nodes per mipi camera
             if (ind == 0 || ind == 2 || ind == 4)
                 mi = 0;
@@ -786,7 +787,7 @@ namespace librealsense
             // are not available via mipi
             // TODO - find a way to assign unique id for mipi
             // maybe using bus_info and card params (see above in this method)
-            info.unique_id = bus_info; // use bus_info as per camera unique id for mipi
+            info.unique_id = bus_info + "-" + std::to_string(cam_id); // use bus_info as per camera unique id for mipi
             info.conn_spec = usb_specification;
             info.uvc_capabilities = get_dev_capabilities(dev_name);