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<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
From: Ralf Mardorf<mailto:ralf.mard...@alice-dsl.net>
Sent: 27 August 2020 19:10
To: alsa-user@lists.sourceforge.net<mailto:alsa-user@lists.sourceforge.net>
Subject: Re: [Alsa-user] 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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