rocklinux/package/base/udev/rules/95-oss-compat.rules

# add OSS compatibility modules for sound devices
# ACTION=="add",	SUBSYSTEM=="sound"	RUN+="load-oss-compat.sh"
ACTION=="add",	SUBSYSTEM=="sound",	KERNEL=="pcmC[0-9]*"	\
	RUN+="/bin/sh -c 'test -e /sys/class/sound/dsp || /sbin/modprobe snd-pcm-oss'"
ACTION=="add",	SUBSYSTEM=="sound",	KERNEL=="seq"	\
	RUN+="/bin/sh -c 'test -e /sys/class/sound/sequencer || /sbin/modprobe snd-seq-oss'"

#KERNEL=="controlC[0-9]*",	NAME="snd/%k"
#KERNEL=="hwC[D0-9]*",		NAME="snd/%k"
#KERNEL=="pcmC[D0-9cp]*",	NAME="snd/%k"
#KERNEL=="midiC[D0-9]*",		NAME="snd/%k"
#KERNEL=="timer",		NAME="snd/%k"
#KERNEL=="seq",			NAME="snd/%k"