nixpkgs/upstart-jobs/udev-rules/50-udev.rules

# Miscellaneous devices.
KERNEL=="mem|kmem",             MODE="0600"
KERNEL=="port",                 MODE="0600"
KERNEL=="nvram",                MODE="0600"
KERNEL=="null",                 MODE="0666"
KERNEL=="zero",                 MODE="0666"
KERNEL=="full",                 MODE="0622"
KERNEL=="random",               MODE="0666"
KERNEL=="urandom",              MODE="0644"
KERNEL=="rtc",                  MODE="0600"
KERNEL=="sonypi",               MODE="0666"
KERNEL=="agpgart",              MODE="0600"
KERNEL=="kvm",                  MODE="0666"
KERNEL=="fuse",                 MODE="0666"
KERNEL=="tun",  NAME="net/%k",  MODE="0666" 


# TTYs.
KERNEL=="tty",                  NAME="%k", MODE="666", OPTIONS="last_rule" # GROUP="tty"
KERNEL=="ptmx",                 NAME="%k", MODE="666" # GROUP="tty"


# Input devices go under /dev/input.
KERNEL=="mouse*|mice",          NAME="input/%k", MODE="0640"
KERNEL=="event*",               NAME="input/%k", MODE="0640"
KERNEL=="js*",                  NAME="input/%k", MODE="0644"
KERNEL=="ts*",                  NAME="input/%k", MODE="0600"
KERNEL=="uinput",               NAME="input/%k", MODE="0600"


# Create a symlink for the CD-ROM device.
KERNEL=="hd[a-z]", BUS=="ide", SYSFS{removable}=="1", SYSFS{device/media}=="cdrom", SYMLINK+="cdrom cdrom-%k"
KERNEL=="sr[0-9]", BUS=="scsi", SYMLINK+="cdrom cdrom-%k"


# ALSA sound devices.
KERNEL=="controlC[0-9]*",       NAME="snd/%k", MODE="@sndMode@"
KERNEL=="hwC[D0-9]*",           NAME="snd/%k", MODE="@sndMode@"
KERNEL=="pcmC[D0-9cp]*",        NAME="snd/%k", MODE="@sndMode@"
KERNEL=="midiC[D0-9]*",         NAME="snd/%k", MODE="@sndMode@"
KERNEL=="timer",                NAME="snd/%k", MODE="@sndMode@"
KERNEL=="seq",                  NAME="snd/%k", MODE="@sndMode@"


# Firmware loading.
SUBSYSTEM=="firmware", ACTION=="add", RUN+="@firmwareLoader@"