Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Silicon Labs/EFR32FG23B010F512IM40/RAC_NS/LNAMIXTRIM0#0x0
LNAMIXMXRBIAS0=bias_1V
LNAMIXLNA0CAPSEL
LNAMIXMXRBIAS0
0 (bias_1V): undefined
1 (unused): undefined
2 (bias_900m): undefined
3 (bias_800m): undefined
LNAMIXVOUT0ADJ
https://github.com/cmsis-svd/cmsis-svd-data