Hi, I also had the issue of a IPU6 camera of a Dell Latitude stopped working in 
6.14.0-27
I tried a lot and got it working, unsure which of my steps were needed in the 
end. 

The last one I needed to fix was permission issues, e.g. userspace. 
Please check the following as root, and then as normal user:
`gst-launch-1.0 icamerasrc ! autovideosink`

For me it worked as root (after sudo bash), but not as normal user. 
After changing permissions to 
`crw-rw---- 1 root render 510, 0 Aug  1 17:21 /dev/ipu-psys0`
by adding a udev rule:
```
cat /etc/udev/rules.d/99-ipu6-permissions.rules
KERNEL=="ipu-psys0", MODE="0660", GROUP="render"
```
things also worked for the normal user. 
Yours, Steffen

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https://bugs.launchpad.net/bugs/2117458

Title:
  ipu6 webcam doesn't load after update from 6.11 to 6.14

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