speaker-test fails with message "Unknown field hint" on Scarlett 8i6

Thu Nov 11 20:58:12 CET 2021

alsa-project/alsa-plugins issue #40 was opened from montemedio:

I am using a Scarlett 8i6 Gen1. It used to work fine, but with the newest version of `speaker-test`, I get this error message:

```
$ speaker-test -Dusbstream:CARD=USB

speaker-test 1.2.5.1

Playback device is usbstream:CARD=USB
Stream parameters are 48000Hz, S16_LE, 1 channels
Using 16 octaves of pink noise
ALSA lib pcm_usb_stream.c:503:(_snd_pcm_usb_stream_open) Unknown field hint
Playback open error: -22,Invalid argument
```

```
$ cat /proc/asound/cards
 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xd3a10000 irq 35
 1 [NVidia         ]: HDA-Intel - HDA NVidia
                      HDA NVidia at 0xd3000000 irq 17
 2 [USB            ]: USB-Audio - Scarlett 8i6 USB
                      Focusrite Scarlett 8i6 USB at usb-0000:00:1a.0-1.2, high speed
```

Issue URL     : https://github.com/alsa-project/alsa-plugins/issues/40
Repository URL: https://github.com/alsa-project/alsa-plugins