DPK_BB_REG_NUM
struct rtw_backup_info bckp[DPK_BB_REG_NUM];
u32 bb_reg[DPK_BB_REG_NUM] = {
rtw8822c_dpk_backup_registers(rtwdev, bb_reg, DPK_BB_REG_NUM, bckp);
rtw8822c_dpk_restore_registers(rtwdev, DPK_BB_REG_NUM, bckp);