MarsSeed [1] filed a deletion request for rockchip-alsa-config [2]: Rockchip driver is ARM 32/64-bit only. Therefore this package is not useful for Arch Linux (x86_64).
[1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/rockchip-alsa-config/
