Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wb/STM32WB15_CM4/ADC/CFGR2#0x0
ADC configuration register 2
OVSE
OVSR
OVSS
TOVS
LFTRIG
CKMODE
https://github.com/modm-io/cmsis-svd-stm32