Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32wb0/STM32WB05/RADIO_REG_REG/CBIAS1_ANA_ENG#0x0
CBIAS1_ANA_ENG register
When set, RFD_CBIAS_(IPTAT/IBIAS)_TRIM are used instead of HW trimmings
https://github.com/modm-io/cmsis-svd-stm32