reproduce:
        git checkout linus/master
        b4 shazam https://lore.kernel.org/r/844C1D39-4891-4DC2-8458-F46FA1B59FA0@live.com
        # choose either of the following two methods to reproduce the issue
        # 1. reproduce by kismet
           # install kmax per https://github.com/paulgazz/kmax/blob/master/README.md
           kismet --linux-ksrc=linux --selectees CONFIG_HID_MULTITOUCH --selectors CONFIG_DRM_APPLETBDRM -a=alpha
        # 2. reproduce by make
           cd linux
           # download the config file from the "config:" link in the report, and save it as .config
           make ARCH=alpha olddefconfig