URL: https://linuxfr.org/forums/linux-embarque/posts/detection-de-branchement-usb-avec-udev-qui-ne-fonctionne-pas Title: Détection de branchement USB avec Udev qui ne fonctionne pas Authors: erinndalria Date: 2021年04月19日T17:44:48+02:00 License: CC By-SA Tags: imx6, linux_embarqué, usb-audio et udev Score: 1 Bonjour à tous, J'ai parcouru de nombreuses pages webs afin de trouver une solution à mon problème, en vain. Je cherche à lancer un script que j'ai fait quand je branche un périphérique audio USB sur ma cible (embarquée, imx6, etc.). In fine j'aimerais lancer mon script lorsque n'importe quel périphérique usb de type audio (qui utilise snd-usb-audio comme driver) est branché. Cependant, mon script n'est jamais lancé. J'ai essayé de remonter le problème sous différents angles : détection par driver (snd_audio_usb), puis pour une carte son spécifique avec l'idVendor puis même carrément juste quand je branche n'importe quoi sur ma prise USB (clé usb, souris). J'ai essayé de placer mon script à divers endroits : /usr/bin, /etc/udev/scripts, /etc/udev/rules (juste à coté de la règle), /home/root/... ou encore /sbin. Sans succès. Après plusieurs heures, je me dis qu'il y a peut-être un problème d'utilisateur mais ça reste une supposition et je ne sais pas trop comment gérer ça. Si quelqu'un a une quelconque idée, ça serait merveilleux. Je vous donne ce que j'ai écrit. Fichier udev rules usb-audio.rules : ```sh ACTION!="add", GOTO="End" SUBSYSTEMS!="usb", GOTO="End" ATTRS{idVendor}=="0d8c", RUN+="/etc/udev/scripts/usb-audio.sh" LABEL ="End" ``` J'ai tenté une version plus simple aussi : ```sh KERNELS=="usb1",ACTION=="add", SUBSYSTEMS=="usb", DEVPATH=="/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/pcmC1D0c", RUN+="/etc/udev/scripts/usb-audio.sh" ``` J'ai changé le devpath avec /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/ ou même juste sans DEVPATH. J'ai essayé sans "KERNEL" et avec un deuxième SUBSYSTEM : SUBSYSTEM=SOUND Coté script, j'ai testé, il fonctionne si je l'appelle à la main. Coté test j'ai ça : ```sh root@machine:/etc/udev/rules.d# udevadm test usb-audio.rules calling: test version 232 This program is for debugging only, it does not run any program specified by a RUN key. It may show incorrect results, because some values may be different, or not available at a simulation run. ``` ```sh === trie on-disk === tool version: 232 file size: 8446385 bytes header size 80 bytes strings 1848513 bytes nodes 6597792 bytes Load module index Found container virtualization none timestamp of '/etc/systemd/network' changed timestamp of '/lib/systemd/network' changed Parsed configuration file /lib/systemd/network/99-default.link Created link configuration context. timestamp of '/etc/udev/rules.d' changed Reading rules file: /etc/udev/rules.d/10-imx.rules Reading rules file: /lib/udev/rules.d/50-firmware.rules Reading rules file: /lib/udev/rules.d/50-udev-default.rules Reading rules file: /lib/udev/rules.d/60-block.rules Reading rules file: /lib/udev/rules.d/60-cdrom_id.rules Reading rules file: /lib/udev/rules.d/60-drm.rules Reading rules file: /lib/udev/rules.d/60-evdev.rules Reading rules file: /lib/udev/rules.d/60-persistent-alsa.rules Reading rules file: /lib/udev/rules.d/60-persistent-input.rules Reading rules file: /lib/udev/rules.d/60-persistent-storage-tape.rules Reading rules file: /lib/udev/rules.d/60-persistent-storage.rules Reading rules file: /lib/udev/rules.d/60-persistent-v4l.rules Reading rules file: /lib/udev/rules.d/60-serial.rules Reading rules file: /lib/udev/rules.d/64-btrfs.rules Reading rules file: /lib/udev/rules.d/70-mouse.rules Reading rules file: /etc/udev/rules.d/70-persistent-net.rules Reading rules file: /lib/udev/rules.d/70-power-switch.rules Reading rules file: /lib/udev/rules.d/70-touchpad.rules Reading rules file: /lib/udev/rules.d/70-uaccess.rules Reading rules file: /lib/udev/rules.d/71-seat.rules Reading rules file: /lib/udev/rules.d/73-seat-late.rules Reading rules file: /lib/udev/rules.d/75-net-description.rules Reading rules file: /lib/udev/rules.d/75-probe_mtd.rules Reading rules file: /lib/udev/rules.d/78-sound-card.rules Reading rules file: /lib/udev/rules.d/80-drivers.rules Reading rules file: /lib/udev/rules.d/80-libinput-device-groups.rules Reading rules file: /lib/udev/rules.d/80-net-setup-link.rules Reading rules file: /lib/udev/rules.d/90-alsa-restore.rules Reading rules file: /lib/udev/rules.d/90-libinput-model-quirks.rules Reading rules file: /lib/udev/rules.d/90-pulseaudio.rules Reading rules file: /lib/udev/rules.d/90-vconsole.rules Reading rules file: /lib/udev/rules.d/99-systemd.rules Reading rules file: /etc/udev/rules.d/automount.rules Reading rules file: /etc/udev/rules.d/autonet.rules Reading rules file: /etc/udev/rules.d/localextra.rules Reading rules file: /etc/udev/rules.d/touchscreen.rules Reading rules file: /etc/udev/rules.d/usb-audio.rules Reading rules file: /etc/udev/rules.d/usb-cameras.rules Reading rules file: /etc/udev/rules.d/wayland-tsc2046-calibration.rules rules contain 24576 bytes tokens (2048 * 12 bytes), 11956 bytes strings 1850 strings (23514 bytes), 1223 de-duplicated (12186 bytes), 628 trie nodes used sd-device: syspath '/sysusb-audio.rules' is not a subdirectory of /sys unable to open device '/sysusb-audio.rules' <------------- ERREUR Unload module index Unloaded link configuration context. ``` Avec cette étrange erreur à la fin (avec <------- rajouté). J'ai tenté de googler cette erreur mais sans succès. Quand je fais un udevadm monitor -p j'obtiens ceci quand je branche une petite carte son USB que j'ai : ```sh [ 2396.939499] usb 1-1: new full-speed USB device number 4 using ci_hdrc KERNEL[2397.164823] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1 (usb) ACTION=add BUSNUM=001 DEVNAME=/dev/bus/usb/001/004 DEVNUM=004 DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1 DEVTYPE=usb_device MAJOR=189 MINOR=3 PRODUCT=d8c/13c/100 SEQNUM=2086 SUBSYSTEM=usb TYPE=0/0/0 ``` ```sh KERNEL[2397.175979] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0 (usb) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0 DEVTYPE=usb_interface INTERFACE=1/1/0 MODALIAS=usb:v0D8Cp013Cd0100dc00dsc00dp00ic01isc01ip00in00 PRODUCT=d8c/13c/100 SEQNUM=2087 SUBSYSTEM=usb TYPE=0/0/0 ``` ```sh KERNEL[2397.263313] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1 (sound) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1 SEQNUM=2088 SUBSYSTEM=sound ``` ```sh KERNEL[2397.265742] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/[ 2397.232485] input: C-Media Electronics Inc. USB PnP Sound Device as /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003/input/input4 1-1/1-1:1.0/sound/card1/controlC1 (sound) ACTION=add DEVNAME=/dev/snd/controlC1 DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/controlC1 MAJOR=116 MINOR=32 SEQNUM=2089 SUBSYSTEM=sound ``` ```sh KERNEL[2397.269908] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/pcmC1D0p (sound) ACTION=add DEVNAME=/dev/snd/pcmC1D0p DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/pcmC1D0p MAJOR=116 MINOR=48 SEQNUM=2090 SUBSYSTEM=sound ``` ```sh KERNEL[2397.273493] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/pcmC1D0c (sound) ACTION=add DEVNAME=/dev/snd/pcmC1[ 2397.311439] hid-generic 0003:0D8C:013C.0003: input: USB HID v1.00 Device [C-Media Electronics Inc. USB PnP Sound Device] on usb-ci_hdrc.0-1/input3 D0c DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/pcmC1D0c MAJOR=116 MINOR=56 SEQNUM=2091 SUBSYSTEM=sound ``` ```sh KERNEL[2397.275874] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.1 (usb) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.1 DEVTYPE=usb_interface DRIVER=snd-usb-audio INTERFACE=1/2/0 MODALIAS=usb:v0D8Cp013Cd0100dc00dsc00dp00ic01isc02ip00in01 PRODUCT=d8c/13c/100 SEQNUM=2092 SUBSYSTEM=usb TYPE=0/0/0 ``` ```sh KERNEL[2397.278113] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.2 (usb) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.2 DEVTYPE=usb_interface DRIVER=snd-usb-audio INTERFACE=1/2/0 MODALIAS=usb:v0D8Cp013Cd0100dc00dsc00dp00ic01isc02ip00in02 PRODUCT=d8c/13c/100 SEQNUM=2093 SUBSYSTEM=usb TYPE=0/0/0``` ```sh KERNEL[2397.280425] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3 (usb) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3 DEVTYPE=usb_interface INTERFACE=3/0/0 MODALIAS=usb:v0D8Cp013Cd0100dc00dsc00dp00ic03isc00ip00in03 PRODUCT=d8c/13c/100 SEQNUM=2094 SUBSYSTEM=usb TYPE=0/0/0 ``` ```sh KERNEL[2397.288344] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003 (hid) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003 HID_ID=0003:00000D8C:0000013C HID_NAME=C-Media Electronics Inc. USB PnP Sound Device HID_PHYS=usb-ci_hdrc.0-1/input3 HID_UNIQ= MODALIAS=hid:b0003g0001v00000D8Cp0000013C SEQNUM=2095 SUBSYSTEM=hid ``` ```sh KERNEL[2397.292701] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003/input/input4 (input) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003/input/input4 EV=13 KEY=78 0 e0000 0 0 0 MODALIAS=input:b0003v0D8Cp013Ce0100-e0,1,4,k71,72,73,A3,A4,A5,A6,ram4,lsfw MSC=10 NAME="C-Media Electronics Inc. USB PnP Sound Device" PHYS="usb-ci_hdrc.0-1/input3" PRODUCT=3/d8c/13c/100 PROP=0 SEQNUM=2096 SUBSYSTEM=input UNIQ="" ``` ```sh KERNEL[2397.372400] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003/input/input4/event0 (input) ACTION=add DEVNAME=/dev/input/event0 DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003/input/input4/event0 MAJOR=13 MINOR=64 SEQNUM=2097 SUBSYSTEM=input ``` ```sh UDEV [2397.406268] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1 (usb) ACTION=add BUSNUM=001 DEVNAME=/dev/bus/usb/001/004 DEVNUM=004 DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1 DEVTYPE=usb_device DRIVER=usb ID_BUS=usb ID_MODEL=USB_PnP_Sound_Device ID_MODEL_ENC=USB\x20PnP\x20Sound\x20Device ID_MODEL_FROM_DATABASE=CM108 Audio Controller ID_MODEL_ID=013c ID_REVISION=0100 ID_SERIAL=C-Media_Electronics_Inc._USB_PnP_Sound_Device ID_USB_INTERFACES=:010100:010200:030000: ID_VENDOR=C-Media_Electronics_Inc. ID_VENDOR_ENC=C-Media\x20Electronics\x20Inc.\x20\x20\x20\x20\x20\x20 ID_VENDOR_FROM_DATABASE=C-Media Electronics, Inc. ID_VENDOR_ID=0d8c MAJOR=189 MINOR=3 PRODUCT=d8c/13c/100 SEQNUM=2086 SUBSYSTEM=usb TYPE=0/0/0 USEC_INITIALIZED=2397404984 ``` ```sh UDEV [2397.436641] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0 (usb) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0 DEVTYPE=usb_interface ID_MODEL_FROM_DATABASE=CM108 Audio Controller ID_VENDOR_FROM_DATABASE=C-Media Electronics, Inc. INTERFACE=1/1/0 MODALIAS=usb:v0D8Cp013Cd0100dc00dsc00dp00ic01isc01ip00in00 PRODUCT=d8c/13c/100 SEQNUM=2087 SUBSYSTEM=usb TYPE=0/0/0 USEC_INITIALIZED=2397434502 ``` ```sh UDEV [2397.447076] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.1 (usb) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.1 DEVTYPE=usb_interface DRIVER=snd-usb-audio ID_MODEL_FROM_DATABASE=CM108 Audio Controller ID_VENDOR_FROM_DATABASE=C-Media Electronics, Inc. INTERFACE=1/2/0 MODALIAS=usb:v0D8Cp013Cd0100dc00dsc00dp00ic01isc02ip00in01 PRODUCT=d8c/13c/100 SEQNUM=2092 SUBSYSTEM=usb TYPE=0/0/0 USEC_INITIALIZED=2397444997 ``` ```sh UDEV [2397.468465] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.2 (usb) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.2 DEVTYPE=usb_interface DRIVER=snd-usb-audio ID_MODEL_FROM_DATABASE=CM108 Audio Controller ID_VENDOR_FROM_DATABASE=C-Media Electronics, Inc. INTERFACE=1/2/0 MODALIAS=usb:v0D8Cp013Cd0100dc00dsc00dp00ic01isc02ip00in02 PRODUCT=d8c/13c/100 SEQNUM=2093 SUBSYSTEM=usb TYPE=0/0/0 USEC_INITIALIZED=2397466492 ``` ```sh UDEV [2397.800899] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1 (sound) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1 ID_FOR_SEAT=sound-platform-ci_hdrc_0-usb-0_1_1_0 ID_PATH=platform-ci_hdrc.0-usb-0:1:1.0 ID_PATH_TAG=platform-ci_hdrc_0-usb-0_1_1_0 SEQNUM=2088 SUBSYSTEM=sound SYSTEMD_WANTS=sound.target TAGS=:systemd:seat: USEC_INITIALIZED=2397470283 ``` ```sh KERNEL[2397.801432] change /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1 (sound) ACTION=change DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1 SEQNUM=2098 SUBSYSTEM=sound ``` ```sh UDEV [2397.801840] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3 (usb) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3 DEVTYPE=usb_interface ID_MODEL_FROM_DATABASE=CM108 Audio Controller ID_VENDOR_FROM_DATABASE=C-Media Electronics, Inc. INTERFACE=3/0/0 MODALIAS=usb:v0D8Cp013Cd0100dc00dsc00dp00ic03isc00ip00in03 PRODUCT=d8c/13c/100 SEQNUM=2094 SUBSYSTEM=usb TYPE=0/0/0 USEC_INITIALIZED=2397472252 ``` ```sh UDEV [2397.802471] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003 (hid) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003 HID_ID=0003:00000D8C:0000013C HID_NAME=C-Media Electronics Inc. USB PnP Sound Device HID_PHYS=usb-ci_hdrc.0-1/input3 HID_UNIQ= MODALIAS=hid:b0003g0001v00000D8Cp0000013C SEQNUM=2095 SUBSYSTEM=hid USEC_INITIALIZED=2397507417 ``` ```sh UDEV [2397.803068] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/pcmC1D0p (sound) ACTION=add DEVNAME=/dev/snd/pcmC1D0p DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/pcmC1D0p MAJOR=116 MINOR=48 SEQNUM=2090 SUBSYSTEM=sound TAGS=:uaccess: USEC_INITIALIZED=2397505286 ``` ```sh UDEV [2397.803932] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/pcmC1D0c (sound) ACTION=add DEVNAME=/dev/snd/pcmC1D0c DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/pcmC1D0c MAJOR=116 MINOR=56 SEQNUM=2091 SUBSYSTEM=sound TAGS=:uaccess: USEC_INITIALIZED=2397554296 ``` ```sh UDEV [2397.804783] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003/input/input4 (input) ACTION=add DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003/input/input4 EV=13 ID_BUS=usb ID_FOR_SEAT=input-platform-ci_hdrc_0-usb-0_1_1_3 ID_INPUT=1 ID_INPUT_KEY=1 ID_MODEL=USB_PnP_Sound_Device ID_MODEL_ENC=USB\x20PnP\x20Sound\x20Device ID_MODEL_ID=013c ID_PATH=platform-ci_hdrc.0-usb-0:1:1.3 ID_PATH_TAG=platform-ci_hdrc_0-usb-0_1_1_3 ID_REVISION=0100 ID_SERIAL=C-Media_Electronics_Inc._USB_PnP_Sound_Device ID_TYPE=hid ID_USB_DRIVER=usbhid ID_USB_INTERFACES=:010100:010200:030000: ID_USB_INTERFACE_NUM=03 ID_VENDOR=C-Media_Electronics_Inc. ID_VENDOR_ENC=C-Media\x20Electronics\x20Inc.\x20\x20\x20\x20\x20\x20 ID_VENDOR_ID=0d8c KEY=78 0 e0000 0 0 0 MODALIAS=input:b0003v0D8Cp013Ce0100-e0,1,4,k71,72,73,A3,A4,A5,A6,ram4,lsfw MSC=10 NAME="C-Media Electronics Inc. USB PnP Sound Device" PHYS="usb-ci_hdrc.0-1/input3" PRODUCT=3/d8c/13c/100 PROP=0 SEQNUM=2096 SUBSYSTEM=input TAGS=:seat: UNIQ="" USEC_INITIALIZED=2397567029 ``` ```sh UDEV [2397.806766] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/controlC1 (sound) ACTION=add DEVLINKS=/dev/snd/by-id/usb-C-Media_Electronics_Inc._USB_PnP_Sound_Device-00 /dev/snd/by-path/platform-ci_hdrc.0-usb-0:1:1.0 DEVNAME=/dev/snd/controlC1 DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1/controlC1 ID_BUS=usb ID_MODEL=USB_PnP_Sound_Device ID_MODEL_ENC=USB\x20PnP\x20Sound\x20Device ID_MODEL_ID=013c ID_PATH=platform-ci_hdrc.0-usb-0:1:1.0 ID_PATH_TAG=platform-ci_hdrc_0-usb-0_1_1_0 ID_REVISION=0100 ID_SERIAL=C-Media_Electronics_Inc._USB_PnP_Sound_Device ID_TYPE=audio ID_USB_DRIVER=snd-usb-audio ID_USB_INTERFACES=:010100:010200:030000: ID_USB_INTERFACE_NUM=00 ID_VENDOR=C-Media_Electronics_Inc. ID_VENDOR_ENC=C-Media\x20Electronics\x20Inc.\x20\x20\x20\x20\x20\x20 ID_VENDOR_ID=0d8c MAJOR=116 MINOR=32 SEQNUM=2089 SUBSYSTEM=sound TAGS=:uaccess: USEC_INITIALIZED=2397546404 ``` ```sh UDEV [2398.142519] change /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1 (sound) ACTION=change DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.0/sound/card1 ID_BUS=usb ID_FOR_SEAT=sound-platform-ci_hdrc_0-usb-0_1_1_0 ID_ID=usb-C-Media_Electronics_Inc._USB_PnP_Sound_Device-00 ID_MODEL=USB_PnP_Sound_Device ID_MODEL_ENC=USB\x20PnP\x20Sound\x20Device ID_MODEL_FROM_DATABASE=CM108 Audio Controller ID_MODEL_ID=013c ID_PATH=platform-ci_hdrc.0-usb-0:1:1.0 ID_PATH_TAG=platform-ci_hdrc_0-usb-0_1_1_0 ID_REVISION=0100 ID_SERIAL=C-Media_Electronics_Inc._USB_PnP_Sound_Device ID_TYPE=audio ID_USB_DRIVER=snd-usb-audio ID_USB_INTERFACES=:010100:010200:030000: ID_USB_INTERFACE_NUM=00 ID_VENDOR=C-Media_Electronics_Inc. ID_VENDOR_ENC=C-Media\x20Electronics\x20Inc.\x20\x20\x20\x20\x20\x20 ID_VENDOR_FROM_DATABASE=C-Media Electronics, Inc. ID_VENDOR_ID=0d8c SEQNUM=2098 SOUND_INITIALIZED=1 SUBSYSTEM=sound SYSTEMD_WANTS=sound.target TAGS=:systemd:seat: USEC_INITIALIZED=2397470283 ``` ```sh UDEV [2398.146002] add /devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003/input/input4/event0 (input) ACTION=add DEVLINKS=/dev/input/by-path/platform-ci_hdrc.0-usb-0:1:1.3-event /dev/input/by-id/usb-C-Media_Electronics_Inc._USB_PnP_Sound_Device-event-if03 DEVNAME=/dev/input/event0 DEVPATH=/devices/soc0/soc/2100000.aips-bus/2184000.usb/ci_hdrc.0/usb1/1-1/1-1:1.3/0003:0D8C:013C.0003/input/input4/event0 ID_BUS=usb ID_INPUT=1 ID_INPUT_KEY=1 ID_MODEL=USB_PnP_Sound_Device ID_MODEL_ENC=USB\x20PnP\x20Sound\x20Device ID_MODEL_ID=013c ID_PATH=platform-ci_hdrc.0-usb-0:1:1.3 ID_PATH_TAG=platform-ci_hdrc_0-usb-0_1_1_3 ID_REVISION=0100 ID_SERIAL=C-Media_Electronics_Inc._USB_PnP_Sound_Device ID_TYPE=hid ID_USB_DRIVER=usbhid ID_USB_INTERFACES=:010100:010200:030000: ID_USB_INTERFACE_NUM=03 ID_VENDOR=C-Media_Electronics_Inc. ID_VENDOR_ENC=C-Media\x20Electronics\x20Inc.\x20\x20\x20\x20\x20\x20 ID_VENDOR_ID=0d8c LIBINPUT_DEVICE_GROUP=3/d8c/13c/100:usb-ci_hdrc.0-1 MAJOR=13 MINOR=64 SEQNUM=2097 SUBSYSTEM=input USEC_INITIALIZED=2397706931 ``` Je suis infiniement désolée pour l'immense pavé (pour un premier post en plus...). J'espère ne pas m'être trompée d'endroit pour poser ma question. Merci à vous :)

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