reproduce (this is a W=1 build):
        # https://github.com/krzk/linux/commit/b27895f445fc9f200663b4134586b96575b70ec0
        git remote add krzk-github https://github.com/krzk/linux
        git fetch --no-tags krzk-github b4/qcom-audio-wsa-second-speaker
        git checkout b27895f445fc9f200663b4134586b96575b70ec0
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash