Portál AbcLinuxu, 6. května 2025 07:38
USB 00.0: 0000 Unclassified device
[Created at usb.122]
Unique ID: Zj8l.FyijbQpEqP1
Parent ID: pBe4.2DFUsyrieMD
SysFS ID: /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0
SysFS BusID: 2-4:1.0
Hardware Class: unknown
Model: "Logitech Webcam C270"
Hotplug: USB
Vendor: usb 0x046d "Logitech, Inc."
Device: usb 0x0825 "Webcam C270"
Revision: "0.10"
Serial ID: "6E8E0FE0"
Driver: "uvcvideo"
Driver Modules: "uvcvideo"
Device File: /dev/input/event21
Device Files: /dev/input/event21, /dev/input/by-id/usb-046d_0825_6E8E0FE0-event-if00, /dev/input/by-path/pci-0000:00:14.0-usb-0:4:1.0-event
Device Number: char 13:85
Speed: 480 Mbps
Module Alias: "usb:v046Dp0825d0010dcEFdsc02dp01ic0Eisc01ip00in00"
Driver Info #0:
Driver Status: uvcvideo is active
Driver Activation Cmd: "modprobe uvcvideo"
Config Status: cfg=new, avail=yes, need=no, active=unknown
Attached to: #25 (Hub)
dmesg
03: USB 00.0: 0000 Unclassified device
[Created at usb.122]
Unique ID: Zj8l.FyijbQpEqP1
Parent ID: pBe4.2DFUsyrieMD
SysFS ID: /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0
SysFS BusID: 2-4:1.0
Hardware Class: unknown
Model: "Logitech Webcam C270"
Hotplug: USB
Vendor: usb 0x046d "Logitech, Inc."
Device: usb 0x0825 "Webcam C270"
Revision: "0.10"
Serial ID: "6E8E0FE0"
Driver: "uvcvideo"
Driver Modules: "uvcvideo"
Device File: /dev/input/event21
Device Files: /dev/input/event21, /dev/input/by-id/usb-046d_0825_6E8E0FE0-event-if00, /dev/input/by-path/pci-0000:00:14.0-usb-0:4:1.0-event
Device Number: char 13:85
Speed: 480 Mbps
Module Alias: "usb:v046Dp0825d0010dcEFdsc02dp01ic0Eisc01ip00in00"
Driver Info #0:
Driver Status: uvcvideo is active
Driver Activation Cmd: "modprobe uvcvideo"
Config Status: cfg=new, avail=yes, need=no, active=unknown
Attached to: #25 (Hub)
Playing tv://.
TV file format detected.
Selected driver: v4l2
name: Video 4 Linux 2 input
author: Martin Olschewski olschewski@zpr.uni-koeln.de
comment: first try, more to come 
v4l2: your device driver does not support VIDIOC_G_STD ioctl, VIDIOC_G_PARM was used instead.
Selected device: UVC Camera (046d:0825)
Capabilities: video capture streaming
supported norms:
inputs: 0 = Camera 1;
Current input: 0
Current format: YUYV
tv.c: norm_from_string(pal): Bogus norm parameter, setting default.
v4l2: ioctl enum norm failed: Inappropriate ioctl for device
Error: Cannot set norm!
Selected input hasn't got a tuner!
v4l2: ioctl set mute failed: Invalid argument
v4l2: ioctl query control failed: Invalid argument
==========================================================================
Opening video decoder: [raw] RAW Uncompressed Video
Could not find matching colorspace - retrying with -vf scale...
Opening video filter: [scale]
Movie-Aspect is undefined - no prescaling applied.
[swscaler @ 0x55919586fc60] bicubic scaler, from yuyv422 to yuv420p using MMXEXT
[swscaler @ 0x55919586fc60] using unscaled yuyv422 -> yuv420p special converter
VO: [xv] 640x480 => 640x480 Planar YV12 [zoom]
Selected video codec: [rawyuy2] vfm: raw (RAW YUY2)
==========================================================================
Audio: no sound
/dev/video… leze obraz. Zvuk jde v tomto případě jinudy. Budeš-li mít zavedený ten modul pro usb audio, tak předpokládám že ti to pak uvidí jako vstup i pulse (máš nainstalovaný pavucontrol?)
… USB Vendor: usb 0x046d "Logitech, Inc." Device: usb 0x0825 "Webcam C270" …A hop na stránku. Pak je třeba se kouknout, jestli aktuální jádro bylo zkompilované s těmi volbami. A odpíchnul bych se od toho Gentoo, kde je uvedené že to funguje i s audio. A ejhle – snd_usb_audio máš ten modul zavedený? A pozor, ono taky záleží na tom, v jakém pořadí se moduly natahují.
snd_usb_audio 323584 0
usbcore 311296 9 xhci_hcd,ehci_pci,snd_usb_audio,usbhid,snd_usbmidi_lib,uvcvideo,ehci_hcd,btusb,xhci_pci
[ +0,176568] usb 6-1: New USB device found, idVendor=0b0e, idProduct=0422, bcdDevice= 2.31 [ +0,000005] usb 6-1: New USB device strings: Mfr=0, Product=2, SerialNumber=3 [ +0,000002] usb 6-1: Product: Jabra SPEAK 510 USB [ +0,000002] usb 6-1: SerialNumber: 3050751E84E8021F00 [ +0,089659] input: Jabra SPEAK 510 USB as /devices/pci0000:00/0000:00:10.1/usb6/6-1/6-1:1.3/0003:0B0E:0422.0002/input/input26 [ +0,057898] jabra 0003:0B0E:0422.0002: input,hiddev0,hidraw1: USB HID v1.11 Device [Jabra SPEAK 510 USB] on usb-0000:00:10.1-1/input3 [ +0,108317] usbcore: registered new interface driver snd-usb-audioa jak vidíš info o modulu pak vypadá takhle (mikorofon a reprák, proto je tam 2)
# lsmod | grep snd_usb_audio snd_usb_audio 294912 2 …Když to vytáhnu tak je tam pochopitelně nula. Takže to máš nejspíš blbě zavedené, nebo něco v jádře chybí. Proto se to nechytne.
# lsmod | grep snd_usb_audio snd_usb_audio 294912 0 snd_usbmidi_lib 40960 1 snd_usb_audio mc 57344 5 videodev,snd_usb_audio,videobuf2_v4l2,uvcvideo,videobuf2_common snd_hwdep 16384 2 snd_usb_audio,snd_hda_codec snd_pcm 131072 9 snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_pcm_oss,snd_hda_core snd 106496 31 snd_hda_codec_generic,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_timer,snd_pcm_oss,snd_pcm,snd_hda_codec_idt,snd_rawmidi,snd_mixer_oss usbcore 315392 11 xhci_hcd,ohci_hcd,ehci_pci,snd_usb_audio,usbhid,snd_usbmidi_lib,uvcvideo,ehci_hcd,btusb,xhci_pci,ohci_pci
$ arecord -l
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: 92HD81B1X5 Analog [92HD81B1X5 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: Camera [USB 2.0 Camera], device 0: USB Audio [USB Audio]
Subdevices: 1/1
Subdevice #0: subdevice #0
$ cat /proc/asound/cards
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xd4720000 irq 40
1 [Camera ]: USB-Audio - USB 2.0 Camera
Sonix Technology Co., Ltd. USB 2.0 Camera at usb-0000:00:1a.0-1.3, high speed
Teda, krásne je vidno vstavanú zvukvku (mám notebook), a hneď pod ňou mám ďalšiu zvukovku z kamery. Na tú sa stačí prepnúť, ak to systém neurobí proaktívne aj sám.
Nemáš tam náhodou niečo podobné, ako som spomínal skôr (vyššie, teda s preklepom aplay ktorý ju nenájde keďže nemá výstup na repráky alebo slúchadlá)? Zatiaľ si hľadal len video vstup na tej kamere, a na zvukovku si moc nepozeral.
Koupil jsem mikrofon s jackem, to funguje dobře.I to je řešení. LEAP to je Suse co? No, chápu.
usbcore: registered new interface driver snd-usb-audio
Nic jiného se tam nepíše ohledně snd-usb-audio.
Případně pak ke kameře
uvcvideo: Found UVC 1.00 device /unnamed> (046d:0825)
input: UVC Camera (046d:0825) as /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/input/input26
[11249.593079] uvcvideo: Found UVC 1.00 device /unnamed> (046d:0825) [11249.714157] input: UVC Camera (046d:0825) as /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/input/input36 [11249.776369] usb 2-4: set resolution quirk: cval->res = 384 [11250.051121] usb 2-3: new full-speed USB device number 27 using xhci_hcd [11250.179144] usb 2-3: device descriptor read/64, error -71 [11250.415135] usb 2-3: device descriptor read/64, error -71 [11250.523215] debugfs: Directory '17' with parent 'devices' already present! [11250.651071] usb 2-3: new full-speed USB device number 28 using xhci_hcd [11250.783073] usb 2-3: device descriptor read/64, error -71 [11251.019077] usb 2-3: device descriptor read/64, error -71 [11251.127112] usb usb2-port3: attempt power cycle [11251.443105] debugfs: Directory '18' with parent 'devices' already present! [11251.779077] usb 2-3: new full-speed USB device number 29 using xhci_hcd [11251.779332] usb 2-3: Device not responding to setup address. [11251.987287] usb 2-3: Device not responding to setup address. [11251.987421] debugfs: Directory '20' with parent 'devices' already present! [11252.195046] usb 2-3: device not accepting address 29, error -71 [11252.195204] debugfs: Directory '21' with parent 'devices' already present! [11252.323048] usb 2-3: new full-speed USB device number 30 using xhci_hcd [11252.323259] usb 2-3: Device not responding to setup address. [11252.531281] usb 2-3: Device not responding to setup address. [11252.739031] usb 2-3: device not accepting address 30, error -71 [11252.739081] usb usb2-port3: unable to enumerate USB device [11253.003230] usb 2-4: reset high-speed USB device number 26 using xhci_hcda arecord -l
arecord -l **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: 92HD81B1X5 Analog [92HD81B1X5 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: Dummy [Dummy], device 0: Dummy PCM [Dummy PCM] Subdevices: 8/8 Subdevice #0: subdevice #0 Subdevice #1: subdevice #1 Subdevice #2: subdevice #2 Subdevice #3: subdevice #3 Subdevice #4: subdevice #4 Subdevice #5: subdevice #5 Subdevice #6: subdevice #6 Subdevice #7: subdevice #7 card 2: U0x46d0x825 [USB Device 0x46d:0x825], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0
[11993.770698] usb 2-4: new high-speed USB device number 38 using xhci_hcd [11994.140319] usb 2-4: New USB device found, idVendor=046d, idProduct=0825, bcdDevice= 0.10 [11994.140323] usb 2-4: New USB device strings: Mfr=0, Product=0, SerialNumber=2 [11994.140324] usb 2-4: SerialNumber: 6E8E0FE0 [11994.141549] uvcvideo: Found UVC 1.00 device /unnamed> (046d:0825) [11994.262905] input: UVC Camera (046d:0825) as /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/input/input37 [11995.089117] usb 2-4: set resolution quirk: cval->res = 384 [11995.089320] usbcore: registered new interface driver snd-usb-audioJinak v ovládání hlasitosti pro Pulse Audio není.
card 2: U0x46d0x825 [USB Device 0x46d:0x825], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0Internety hovoria že USB ID 0x46d:0x825 je nejaká webkamera.
┌───────────────────────────── AlsaMixer v1.2.2 ──────────────────────────────┐ │ Card: HDA Intel PCH F1: Help │ │ Chip: IDT 92HD81B1X5 F2: System information │ │ View: F3:[Playback] F4: Capture F5: All F6: Select sound card │ │ Item: Master [dB gain: 0.00] Esc: Exit │ │ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ ┌──┐ │ │ │▒▒│ │ │ │▒▒│ │▒▒│ │ │ │ │ │ │ │ │ │ │ │▒▒│ │ │ │▒┌────── Sound Card ───────┐ │ │ │ │ │ → │ │▒▒│ │ │ │▒│- (default) │ │ │ │ │ │ → │ │▒▒│ │ │ │▒│0 HDA Intel PCH │ │ │ │ │ │ → │ │▒▒│ │ │ │▒│1 Jabra UC VOICE 550a MS│ │ │ │ │ │ → │ │▒▒│ │ │ │▒│ enter device name... │ │ │ │ │ │ → │ │▒▒│ │ │ │▒└─────────────────────────┘ │ │ │ │ │ → │ │▒▒│ │ │ │▒▒│ │▒▒│ │ │ │ │ │ │ │ │ → │ │▒▒│ │ │ │▒▒│ │▒▒│ │ │ │ │ │ │ │ │ │ │ ├──┤ ├──┤ ├──┤ └──┘ ├──┤ └──┘ ├──┤ └──┘ │ │ │OO│ │MM│ │OO│ │MM│ │MM│ │ │ └──┘ └──┘ └──┘ └──┘ └──┘ │ │ 100 0<>0 100<>100 100<>100 0<>0 0<>0 0<>0 0<>0 │ │ < Master >Headphon Speaker+ PCM Line Line Boo Mic Mic Boos │ └─────────────────────────────────────────────────────────────────────────────┘Ale pokiaľ mu tú zvukovku z nejakého dôvodu (ako písal) nevidí Pulse Audio, tak ju v tom Pulse Audiu môže hľadať do konca sveta. A pochybujem že napríklad spomínaný
arecord funguje cez Pulse Audio.
Mne stačilo len tak z plezíru zapnúť nekomprimovanú nahrávku a sledovať či to mení výpis pri poklepaní na mikrofón.
arecord --file-type=raw --max-file-time 30 --device=hw:1,0 --format=S16_LETým sa mi overila aká taká funkčnosť na spodnej HW vrstve.
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