Hardware control external monitor on Intel NUC

Product support
1

Hi. I have a use case where i want to ensure that all NUCs in my fleet bump the brightness of the connected USB-c touchscreens to 100% on container start using ddcutil, but it seems like the BalenaOS NUC distribution does not contain the i2c-dev kernel module required to use the tool.

xrandr --brightness etc is not feasible since it does not alter the hardware brightness, only the gamma of the video output

Is there a workaround for this or any plans to include this kernel module in future updates to the NUC dist?

5

Hi

It does seem that the intel-nuc image is not built with the i2c-dev kernel module. I’m confirming with the os team for alternatives or if we can enable this.

thanks

1 Like
7

Hi, we have opened a github issue with this request, keep an eye on it for updates. We will also comment here once the issue is resolved. Extend Intel NUC device type with i2c-dev module · Issue #545 · balena-os/balena-intel · GitHub

9

Thanks Alex and Rahul, greatly appreciated! :slight_smile: