Erus_Iluvatar [1] filed a deletion request for soundwire-dkms-git [2]: Fix for older kernels, no longer needed: https://github.com/maaarghk/soundwire-dkms/issues/6
[1] https://aur.archlinux.org/account/Erus_Iluvatar/ [2] https://aur.archlinux.org/pkgbase/soundwire-dkms-git/
