Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/Series1/EFM32GG12B/EFM32GG12B310F1024GQ100/ADC0/SCANFIFOCOUNT#0x0
Scan FIFO Count Register
Scan Data Count
https://github.com/cmsis-svd/cmsis-svd-data