-SUBSYSTEM=="bluetooth", TAG="systemd", ENV{SYSTEMD_WANTS}="bluetooth.target"
-SUBSYSTEM=="printer", TAG="systemd", ENV{SYSTEMD_WANTS}="printer.target"
-ENV{ID_SMARTCARD_READER}=="*?", TAG="systemd", ENV{SYSTEMD_WANTS}="smartcard.target"
+SUBSYSTEM=="bluetooth", TAG+="systemd", ENV{SYSTEMD_WANTS}="bluetooth.target"
+SUBSYSTEM=="printer", TAG+="systemd", ENV{SYSTEMD_WANTS}="printer.target"
+ENV{ID_SMARTCARD_READER}=="*?", TAG+="systemd", ENV{SYSTEMD_WANTS}="smartcard.target"
+SUBSYSTEM=="sound", KERNEL=="card*", TAG+="systemd", ENV{SYSTEMD_WANTS}="sound.target"