Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wl/STM32WL5x_CM4/DMAMUX/C13CR#0x0
C13CR
DMAREQ_ID
SOIE
EGE
SE
SPOL
NBREQ
SYNC_ID
https://github.com/modm-io/cmsis-svd-stm32