reproduce (this is a W=1 build):
        git remote add lee-leds https://git.kernel.org/pub/scm/linux/kernel/git/lee/leds.git
        git fetch lee-leds for-leds-next
        git checkout lee-leds/for-leds-next
        b4 shazam https://lore.kernel.org/r/20250916110217.45894-2-professorjonny98@gmail.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 olddefconfig
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/leds/rgb/