EFUSE_BT_SEL_1    810 drivers/staging/rtl8188eu/include/rtl8188e_spec.h #define EFUSE_BT_SEL_1			0x2
EFUSE_BT_SEL_1   1157 drivers/staging/rtl8723bs/include/hal_com_reg.h #define EFUSE_BT_SEL_1			0x2