cat /proc/asound/cards
 0 [CMI8738MC6     ]: CMI8738-MC6 - C-Media PCI CMI8738-MC6
                      C-Media PCI CMI8738-MC6 (model 55) at 0xe400, irq 225
 1 [UART           ]: MPU-401 UART - MPU-401 UART
                      MPU-401 UART at 0x330, irq 10