Re: Help: maya44 device inaccessible

[David McNab <davidmcnabnz@xxxxxxxxx>]

As it happens, I'd missed something very obvious. In pavucontrol (the one place I'd failed to look), the device showed up as being auto-configured, which explained why I couldn't open it with ALSA cli tools, or bridge it into JACK.

As soon as I disabled the device in pavucontrol, I was able to expose all 4 of its inputs and all 4 outputs in JACK via the zita bridge tools.

Cheers

David

On Sun, 8 Oct 2023 at 19:05, David McNab <davidmcnabnz@xxxxxxxxx> wrote:

Hi all,

I'm hoping for some ideas to get a maya44-based audio device working in ALSA on a Ubuntu 20.04LTS x86-64 audio workstation.

The device shows up in 'arecord -l' and 'aplay -l'. But when I try to record from it with arecord, I get:

arecord -D hw:5 -t wav -c 2 -f S16_LE -r 44100 /tmp/foo.wav
arecord: main:831: audio open error: Device or resource busy

The device shows up in alsamixer, with 2 x stereo line outputs, but only 1 x stereo line input.

My kernel does have the 'maya44' code compiled in.

Further system and device details below.

Can anyone please help me get this working?

Cheers

Daid

Device details:

Type: USB audio interface, 4 analog in, 4 analog out

Brand: Vestax

Model: VAI-40

lsusb output: ID 0a92:0091 EGO SYStems, Inc. Maya 44

uname output: Linux rebirth 6.2.0-32-generic #32~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri Aug 18 10:40:13 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

syslog entries:

Oct  8 07:21:52 rebirth kernel: [1529905.178342] usb 1-8: new full-speed USB device number 65 using xhci_hcd
Oct  8 07:21:53 rebirth kernel: [1529905.345032] usb 1-8: New USB device found, idVendor=0a92, idProduct=0091, bcdDevice= 1.00
Oct  8 07:21:53 rebirth kernel: [1529905.345046] usb 1-8: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Oct  8 07:21:53 rebirth kernel: [1529905.345048] usb 1-8: Product: MAYA44 USB
Oct  8 07:21:53 rebirth kernel: [1529905.345050] usb 1-8: Manufacturer: AUDIOTRAK
Oct  8 07:21:53 rebirth iWatch[2886]: * Send email to root@localhost
Oct  8 07:21:54 rebirth iWatch[2886]: * Send email to root@localhost
Oct  8 07:21:54 rebirth kernel: [1529906.695073] hid-generic 0003:0A92:0091.00A1: hiddev1,hidraw5: USB HID v1.00 Device [AUDIOTRAK MAYA44 USB] on usb-0000:00:14.0-8/input3
Oct  8 07:21:54 rebirth mtp-probe: checking bus 1, device 65: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-8"
Oct  8 07:21:54 rebirth mtp-probe: bus: 1, device: 65 was not an MTP device
Oct  8 07:21:54 rebirth systemd-udevd[2368803]: controlC5: Process '/usr/sbin/alsactl -E HOME=/run/alsa -E XDG_RUNTIME_DIR=/run/alsa/runtime restore 5' failed with exit code 99.
Oct  8 07:21:54 rebirth mtp-probe: checking bus 1, device 65: "/sys/devices/pci0000:00/0000:00:14.0/usb1/1-8"
Oct  8 07:21:54 rebirth mtp-probe: bus: 1, device: 65 was not an MTP device

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