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