thanks @Shih-Yuan Lee, I did (more or less)
sudo add-apt-repository --remove ppa:oem-solutions-group/intel-ipu6 sudo apt remove libcamhal-ipu6ep0 linux-modules-ipu6-generic-hwe-22.04 linux-modules-ivsc-generic-hwe-22.04 oem-somerville-tentacool-meta libcanberra-gtk0 v4l2-relayd libcamhal-ipu6ep0 libipu6ep libcamhal-ipu6ep-common sudo apt autoremove sudo apt install oem-somerville-tentacool-meta
and my webcam is working again.
thanks @Shih-Yuan Lee, I did (more or less)
sudo add-apt-repository --remove ppa:oem- solutions- group/intel- ipu6 ipu6-generic- hwe-22. 04 linux-modules- ivsc-generic- hwe-22. 04 oem-somerville- tentacool- meta libcanberra-gtk0 v4l2-relayd libcamhal-ipu6ep0 libipu6ep libcamhal- ipu6ep- common tentacool- meta
sudo apt remove libcamhal-ipu6ep0 linux-modules-
sudo apt autoremove
sudo apt install oem-somerville-
and my webcam is working again.