Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG12B/EFM32GG12B810F1024GQ100/CSEN/SCANMASK0#0x0
Scan Channel Mask 0
Scan Channel Mask
https://github.com/cmsis-svd/cmsis-svd-data