Camera dev crashes at start

Hello, following this forum thread, I want to share my logs, thus maybe you would be able to solve my issue please. The problem is that when I launch millipixels, it crashes at start.

Device info

All kill switches on “ON” position
Privacy settings : camera enabled
OS : PureOS aarch64
Host : Purism Librem 5r4
kernel : 5.18.0-1-librem5
Desktop Environment : GNOME 3.38.6

Logs

purism@pureos:~$ millipixels
Found config file at /usr/share/millipixels/config/purism,librem5r4.ini
Adding camera big from config
matched GRBG8 to GRBG8 3
matched GRBG8 to GRBG8 3
Adding camera selfie from config
matched GBRG16 to GBRG16 14
matched GBRG16 to GBRG16 14
Found postprocessor script at /usr/share/millipixels/postprocess.sh
thread '<unnamed>' panicked at 'Failed to find the focus subdevice: Os { code: 2, kind: NotFound, message: "No such file or directory" }', ../src/focus.rs:22:14
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
fatal runtime error: failed to initiate panic, error 1476404480
Aborted
purism@pureos:~$

Thank you very much for your kind help.