source: udev/35-helper.rules@ 31f8160

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#
# Description : 35-helper.rules
#
# Authors     : Based on Open Suse Udev Rules
#               kay.sievers@suse.de
#
# Adapted to  : Jim Gifford
# LFS         : Alexander E. Patrakov
#
# Version     : 00.01
#
# Notes       :
#
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# kernel firmware loader
SUBSYSTEM=="firmware",  ACTION=="add", RUN+="firmware_helper"

# check cdrom helper
BUS=="ide",     KERNEL=="hd[a-z]", ACTION=="add", IMPORT="cdrom_id --export $tempnode"
BUS=="scsi",    KERNEL=="sr[0-9]*", ACTION=="add", IMPORT="cdrom_id --export $tempnode"
BUS=="scsi",    KERNEL=="scd[a-z]", ACTION=="add", IMPORT="cdrom_id --export $tempnode"
BUS=="scsi",    KERNEL=="sg[0-9]*", ACTION=="add", DRIVER=="sr", GROUP="cdrom"

BUS=="ide",     ENV{ID_CDROM}=="?*", PROGRAM="cdsymlink_helper.sh %k", SYMLINK+="cdrom%c", GROUP="cdrom"
BUS=="ide",     ENV{ID_CDROM_CD_R}=="?*", PROGRAM="cdsymlink_helper.sh %k", SYMLINK+="cdr%c"
BUS=="ide",     ENV{ID_CDROM_CD_RW}=="?*", PROGRAM="cdsymlink_helper.sh %k", SYMLINK+="cdrw%c"
BUS=="ide",     ENV{ID_CDROM_DVD}=="?*", PROGRAM="cdsymlink_helper.sh %k", SYMLINK+="dvd%c"
BUS=="ide",     ENV{ID_CDROM_DVD_R}=="?*", PROGRAM="cdsymlink_helper.sh %k", SYMLINK+="dvdrw%c"

BUS=="scsi",    ENV{ID_CDROM}=="?*", SYMLINK+="cdrom%n", GROUP="cdrom"
BUS=="scsi",    ENV{ID_CDROM_CD_R}=="?*", SYMLINK+="cdr%n"
BUS=="scsi",    ENV{ID_CDROM_CD_RW}=="?*", SYMLINK+="cdrw%n"
BUS=="scsi",    ENV{ID_CDROM_DVD}=="?*", SYMLINK+="dvd%n"
BUS=="scsi",    ENV{ID_CDROM_DVD_R}=="?*", SYMLINK+="dvdrw%n"

# adds floppy devices
KERNEL=="fd[0-9]*", ACTION=="add", SYSFS{cmos}=="*", RUN+="create_floppy_devices -c -t $sysfs{cmos} -m %M /dev/%k"t