Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/STMicroelectronics/STM32U599/ADC1/ADC_OFR2#0x0
ADC offset register
OFFSET
POSOFF
USAT
SSAT
OFFSET_CH
https://github.com/cmsis-svd/cmsis-svd-data