${@bb.utils.filter('DISTRO_FEATURES', 'systemd', d)} \
gstreamer v4l2 \
"
+
+SRC_URI += "\
+ file://0001-alsa-plugin-allow-specifying-a-media.role-on-the-vir.patch \
+ file://0001-null-sink-make-the-timerfd-non-blocking.patch \
+ file://0002-node-driver-make-the-timerfd-non-blocking.patch \
+"
+
+do_install:append() {
+ # install symlinks to alsalib configuration files
+ for i in 50-pipewire.conf 99-pipewire-default.conf; do
+ if [ -f ${D}${datadir}/alsa/alsa.conf.d/${i} ]; then
+ mkdir -p ${D}${sysconfdir}/alsa/conf.d
+ ln -s ${datadir}/alsa/alsa.conf.d/${i} ${D}${sysconfdir}/alsa/conf.d/${i}
+ fi
+ done
+}
+
+FILES:${PN}-alsa:append = "\
+ ${sysconfdir}/alsa/conf.d/* \
+"