BTC_ACT_EXT_BIT
_update_dm_step(rtwdev, action | BTC_ACT_EXT_BIT);
#define CASE_BTC_ACT_STR(e) case BTC_ACT_ ## e | BTC_ACT_EXT_BIT: return #e
steps_to_str(dm->run_action | BTC_ACT_EXT_BIT),