systemd/rules/rules.d/60-persistent-alsa.rules

# do not edit this file, it will be overwritten on update

ACTION!="add|change", GOTO="persistent_alsa_end"
SUBSYSTEM!="sound", GOTO="persistent_alsa_end"
KERNEL!="controlC[0-9]*", GOTO="persistent_alsa_end"

SUBSYSTEMS=="usb", ENV{ID_MODEL}=="", IMPORT{program}="usb_id --export %p"
SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}!="", ENV{ID_IFACE}="$attr{bInterfaceNumber}"
ENV{ID_SERIAL}=="?*", ENV{ID_IFACE}=="?*", SYMLINK+="snd/by-id/$env{ID_BUS}-$env{ID_SERIAL}-$env{ID_IFACE}-$attr{../id}"
ENV{ID_SERIAL}=="?*", ENV{ID_IFACE}=="", SYMLINK+="snd/by-id/$env{ID_BUS}-$env{ID_SERIAL}-$attr{../id}"

ENV{ID_PATH}=="", IMPORT{program}="path_id %p"
ENV{ID_PATH}=="?*", SYMLINK+="snd/by-path/$env{ID_PATH}"

LABEL="persistent_alsa_end"
rules: sound - move from udev-extra 2009-06-16 22:26:20 +04:00			`# do not edit this file, it will be overwritten on update`

			`ACTION!="add\|change", GOTO="persistent_alsa_end"`
			`SUBSYSTEM!="sound", GOTO="persistent_alsa_end"`
			`KERNEL!="controlC[0-9]*", GOTO="persistent_alsa_end"`

			`SUBSYSTEMS=="usb", ENV{ID_MODEL}=="", IMPORT{program}="usb_id --export %p"`
sound: include ALSA sound card id in /dev/snd/by-id/ links If two USB sound cards that have the same serial number are plugged in make sure the by-id/ device node symlink is unique at least during runtime, by including the ALSA card id in the symlink name. This is a followup to ed1b2d9fc7. 2009-11-10 00:11:29 +03:00			`SUBSYSTEMS=="usb", ATTRS{bInterfaceNumber}!="", ENV{ID_IFACE}="$attr{bInterfaceNumber}"`
			`ENV{ID_SERIAL}=="?", ENV{ID_IFACE}=="?", SYMLINK+="snd/by-id/$env{ID_BUS}-$env{ID_SERIAL}-$env{ID_IFACE}-$attr{../id}"`
			`ENV{ID_SERIAL}=="?*", ENV{ID_IFACE}=="", SYMLINK+="snd/by-id/$env{ID_BUS}-$env{ID_SERIAL}-$attr{../id}"`
rules: sound - move from udev-extra 2009-06-16 22:26:20 +04:00
			`ENV{ID_PATH}=="", IMPORT{program}="path_id %p"`
			`ENV{ID_PATH}=="?*", SYMLINK+="snd/by-path/$env{ID_PATH}"`

			`LABEL="persistent_alsa_end"`