OpenVoiceOS/buildroot-external/board/raspberrypi/rootfs-overlay/etc/modprobe.d/alsa-base.conf

options snd_usb_audio index=0
options snd_usb_audio ignore_ctl_error=1
options snd_bcm2835 index=1
options snd slots=snd_usb_audio,snd_bcm2835
MycroftOS: Let's make snd_bcm2835 play nice with USB cards - Make the USB card default before bcm2835 if present. 2020-01-06 16:36:49 +01:00			`options snd_usb_audio index=0`
MycroftOS: Make alsa a bit more forgiving for usb cards. 2020-04-06 11:31:06 +02:00			`options snd_usb_audio ignore_ctl_error=1`
MycroftOS: Let's make snd_bcm2835 play nice with USB cards - Make the USB card default before bcm2835 if present. 2020-01-06 16:36:49 +01:00			`options snd_bcm2835 index=1`
			`options snd slots=snd_usb_audio,snd_bcm2835`