Re: USB Mic not recognised

[Stuart Naylor <stuartiannaylor@xxxxxxxxxxx>]

Created /etc/udev/rules.d/70-alsa-permanent.rules and added

SUBSYSTEM!="sound", GOTO="my_usb_audio_end"

ACTION!="add", GOTO="my_usb_audio_end"

ATTRS{idVendor}=="ffef", ATTRS{idProduct}=="0f00", ATTR{id}="USB-MIC"

Computer says no though

Aug 28 02:37:26 rockpis kernel: usb 2-1.1: config 1 has an invalid interface number: 3 but max is 2

Aug 28 02:37:26 rockpis kernel: usb 2-1.1: config 1 has no interface number 1

Aug 28 02:37:26 rockpis kernel: usb 2-1.1: New USB device found, idVendor=ffef, idProduct=0f00

Aug 28 02:37:26 rockpis kernel: usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3

Aug 28 02:37:26 rockpis kernel: usb 2-1.1: Product: AI-Voice

Aug 28 02:37:26 rockpis kernel: usb 2-1.1: Manufacturer: HNHK

Aug 28 02:37:26 rockpis kernel: usb 2-1.1: SerialNumber: 19SZHNHKJ

Aug 28 02:37:26 rockpis kernel: input: HNHK AI-Voice as /devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.3/0003:FFEF:0F00.0003/input/input3

Aug 28 02:37:26 rockpis kernel: hid-generic 0003:FFEF:0F00.0003: input,hidraw2: USB HID v2.01 Device [HNHK AI-Voice] on usb-ff440000.usb-1.1/input3

Aug 28 02:37:26 rockpis systemd-udevd[11004]: 2-1.1: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/id} for writing: Permission denied

Aug 28 02:37:26 rockpis systemd-udevd[11004]: 2-1.1:1.0: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.0/id} for writing: Permission denied

Aug 28 02:37:26 rockpis systemd-udevd[11005]: 2-1.1:1.2: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.2/id} for writing: Permission denied

Aug 28 02:37:26 rockpis systemd-udevd[11006]: 2-1.1:1.3: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.3/id} for writing: Permission denied

Aug 28 02:37:26 rockpis systemd-udevd[11006]: 0003:FFEF:0F00.0003: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.3/0003:FFEF:0F00.0003/id} for writing: Permission denied

Aug 28 02:37:26 rockpis systemd-udevd[11005]: hidraw2: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.3/0003:FFEF:0F00.0003/hidraw/hidraw2/id} for writing: Permission denied

Aug 28 02:37:26 rockpis systemd-udevd[11006]: input3: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.3/0003:FFEF:0F00.0003/input/input3/id} for writing: Is a directory

Aug 28 02:37:26 rockpis kernel: usbcore: registered new interface driver snd-usb-audio

Aug 28 02:37:26 rockpis systemd-udevd[11006]: event3: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.3/0003:FFEF:0F00.0003/input/input3/event3/id} for writing: Permission denied

Aug 28 02:37:26 rockpis systemd-udevd[11004]: pcmC2D0c: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.0/sound/card2/pcmC2D0c/id} for writing: Permission denied

Aug 28 02:37:26 rockpis systemd-udevd[11006]: controlC2: Failed to open ATTR{/sys/devices/platform/ff440000.usb/usb2/2-1/2-1.1/2-1.1:1.0/sound/card2/controlC2/id} for writing: Permission denied

 

Sent from Mail for Windows 10

 

From: Ralf Mardorf
Sent: 27 August 2020 19:10
To: alsa-user@xxxxxxxxxxxxxxxxxxxxx
Subject: Re: USB Mic not recognised

 

On Thu, 27 Aug 2020 17:13:36 +0000, Stuart Naylor wrote:
>rock@rockpis:~$ lsusb -s 002:005 -v
>
> 
>
>Bus 002 Device 005: ID ffef:0f00
>
>Couldn't open device, some information will be missing

Hi,

you likely need to run

  sudo lsusb

or if you don't have set up sudo, first

  su

before running

  lsusb

However, does

  arecord -l

not list the device?

It either needs to be class compliant or it requires a dedicated driver.

Does running

  lsmod | grep snd_usb_audio

return that 'snd_usb_audio' is loaded, after the mic was plugged into
an USB pot?

Regards,
Ralf


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