OVTI02C1 sensor on Latiture 7440 about ipu6-drivers

[gcomes]

I managed to advance, I report here to help other users in the same situation.

The build error for icamerasrc_slim_api is due to commit fe733e7b98fc2c9824abe8b451182af38470d659.
After reverting such commit it is possible to compile icamerasrc

When I run the test the command:

gst-launch-1.0 icamerasrc buffer-count=7 ! video/x-raw,format=NV12,width=1280,height=720 ! videoconvert ! ximagesink

I get the error that libia_mkn.so needs glibc 2.34 (leap 15.5 has glibc 2.31). I unpacked glibc 2.37 from the tumbleweed rpm in the directory /glibc and using the command:

/glibc/ld-linux-x86-64.so.2 --library-path /glibc gst-launch-1.0 --gst-plugin-load=/usr/lib64/gstreamer-1.0/libgsticamerasrc.so icamerasrc buffer-count=7 ! video/x-raw,format=NV12,width=1280,height=720 ! videoconvert ! ximagesink

I was able to get the video from the camera.
Next step is to install v4l2loopback and v4l2-relayd. After I did that I was able to run ffplay /dev/video0 but ffplay showed only a black window. It turns out v4l2loopback needs to be patched:
the patch 0005 and 0006 from: https://git.launchpad.net/ubuntu/+source/v4l2loopback/tree/debian/patches
plus: umlaeute/v4l2loopback#543

With that I can finally get the camera work.

There is only one minor issue. I cannot use cheese, it gives me the error: Device wants 2:0:0:0 colorimetry.

If there is a way to fix such problem, please share your knowledge.