Hi Kent
I found this
[ 4.036087] usb 1-1.2.2: New USB device strings: Mfr=1, Product=3, SerialNumber=0
[ 4.046048] usb 1-1.2.2: Product: BursonAudio USB Audio 2.0
[ 4.054031] usb 1-1.2.2: Manufacturer: XMOS
[ 4.121906] usb 1-1.1.1: new high-speed USB device number 8 using dwc_otg
[ 4.252389] usb 1-1.1.1: New USB device found, idVendor=0424, idProduct=7800, bcdDevice= 3.00
[ 4.265258] usb 1-1.1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 6.629683] usbcore: registered new interface driver uas
[ 6.806882] usb 1-1.2.2: 1:3 : unsupported format bits 0x100000000
[ 6.810431] usbcore: registered new interface driver snd-usb-audio
The error message remained "Failed to open Alsa device "hw:1,0" no such file or directory."
Audio Information
Audio Device
Device: USB audio device
Chip:
Interface: USB
Formats: U8, S16_LE
Platform: Pi-3B+ 1GB v1.3
I found this
[ 4.036087] usb 1-1.2.2: New USB device strings: Mfr=1, Product=3, SerialNumber=0
[ 4.046048] usb 1-1.2.2: Product: BursonAudio USB Audio 2.0
[ 4.054031] usb 1-1.2.2: Manufacturer: XMOS
[ 4.121906] usb 1-1.1.1: new high-speed USB device number 8 using dwc_otg
[ 4.252389] usb 1-1.1.1: New USB device found, idVendor=0424, idProduct=7800, bcdDevice= 3.00
[ 4.265258] usb 1-1.1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 6.629683] usbcore: registered new interface driver uas
[ 6.806882] usb 1-1.2.2: 1:3 : unsupported format bits 0x100000000
[ 6.810431] usbcore: registered new interface driver snd-usb-audio
The error message remained "Failed to open Alsa device "hw:1,0" no such file or directory."
Audio Information
Audio Device
Device: USB audio device
Chip:
Interface: USB
Formats: U8, S16_LE
Platform: Pi-3B+ 1GB v1.3