03-26-2019, 01:17 PM
(03-26-2019, 12:57 PM)Tim Curtis Wrote: After re-reading the thread I noticed "Invalid card number" in the log. I'm not sure how this condition can occur since there are only two possible configurations.
- Raspberry Pi on-board audio and i2s audio are assigned card 0 by Linux
- USB audio device is assigned card 1
Code:20190326 094148 worker: ALSA volume (Invalid card number.)
You can try cmds below.
Code:cat /proc/asound/card0/id
cat /proc/asound/card1/id
Ok, no such file or directory