Hello-mod kernel module doesn't build

Thanks , it is this one that I need to use yes.

I still have two others to impement: Module Lora SX1302 for Lora Gateway, and DIO5661ST6 to control the backlight of my 7" Display.

I know that we need to set the # CONFIG linked to the kernel module we want to use, and specify “y” as " yes" to specify the kernel to load the module at boot. ‘m’ to let us mount the drive at run time . But what about if the module is not in the # CONFIG list , like it is the case for my backlight device for example ?

A part of that, have you understand why i’m not able to build the yocto because of the missing receipe ( or the wrong pointed by the linux-firmware .bb file ?

As for the module, i just followed the documentation step without modifications.

I found this ticket but the solution to impelemnt is not working for me : Error when building image with latest Kirkstone branch