How to install uvcdynctrl on Raspberry Pi OS Bullseye


You are trying to install uvcdynctrl on Raspberry Pi OS bullseye version using

sudo apt -y install uvcdynctrl

the system can’t find the package:

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
E: Unable to locate package uvcdynctrl


The uvcdynctrl package is not available in the standard Raspberry Pi OS repository, but only in the bullseye-backports repository.

In order to solve the problem, activate the backports repository:

Add the following lines at the end of /etc/apt/sources.list:

deb bullseye-backports main contrib non-free
deb-src bullseye-backports main contrib non-free

After that, run

sudo apt update

and finally, try to install uvcdynctrl again:

sudo apt -y install uvcdynctrl