reproduce (this is a W=1 build):
        # https://github.com/norov/linux/commit/01ab0916a9bf06c1c2c964b3747e9a02f812285c
        git remote add norov https://github.com/norov/linux
        git fetch --no-tags norov declare_bitmap
        git checkout 01ab0916a9bf06c1c2c964b3747e9a02f812285c
        # 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 sound/pci/asihpi/