Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32BG22C224F512GM32/RAC_S/THMSW#0x0
HALFSWITCH=Disabled, EN=Disabled
No Description
Enable Switch
0 (Disabled): undefined
1 (Enabled): undefined
Halfswitch Mode enable
https://github.com/cmsis-svd/cmsis-svd-data