For some reason, it’s the mic array on boot. The mic only works if I plug it in during runtime actually.
Here are the logs I got from checking the sound cards in proc/asound. you can see the first is without the mic array attached, the second is it attached at runtime, and the third is after rebooting with it attached. It pushed the other sound cards up and made the mic array the default.
127|Tinker_Board_2:/proc/asound $ cat cards
0 [hdmisound ]: hdmi-sound - hdmi-sound
hdmi-sound
1 [rockchipcdndpso]: rockchip-cdndp- - rockchip-cdndp-sound
rockchip-cdndp-sound
Tinker_Board_2:/proc/asound $ aplay -l
/system/bin/sh: aplay: inaccessible or not found
127|Tinker_Board_2:/proc/asound $ cat cards
0 [hdmisound ]: hdmi-sound - hdmi-sound
hdmi-sound
1 [rockchipcdndpso]: rockchip-cdndp- - rockchip-cdndp-sound
rockchip-cdndp-sound
2 [ArrayUAC10 ]: USB-Audio - ReSpeaker 4 Mic Array (UAC1.0)
SEEED ReSpeaker 4 Mic Array (UAC1.0) at usb-xhci-hcd.1.auto-1.1, full speed
Tinker_Board_2:/proc/asound $ % lloydhussell@MAC-Y6XGW6XJ0H Dukebox-Android % adb shell
Tinker_Board_2:/ $ cd proc/asound/
Tinker_Board_2:/proc/asound $ cat cards
1 [hdmisound ]: hdmi-sound - hdmi-sound
hdmi-sound
2 [rockchipcdndpso]: rockchip-cdndp- - rockchip-cdndp-sound
rockchip-cdndp-sound