Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Atmel/AT91SAM9M11/AC97C/COMR#0x0
Codec Mode Register
Channel Transmit Ready Interrupt Enable
Channel Transmit Empty Interrupt Enable
Transmit Underrun Interrupt Enable
Channel Receive Ready Interrupt Enable
Receive Overrun Interrupt Enable
https://github.com/cmsis-svd/cmsis-svd-data