RT_FLAG_RS_SUSPENDED
set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags);
if (test_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags) ||
if (!test_and_set_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) {
if (test_and_clear_bit(RT_FLAG_RS_SUSPENDED, &rs->runtime_flags)) {