FLAGS_OUTPUT_READY
BIT(FLAGS_OUTPUT_READY));
BIT(FLAGS_DMA_READY) | BIT(FLAGS_OUTPUT_READY));
if (test_and_clear_bit(FLAGS_OUTPUT_READY, &dd->flags))
if (test_and_clear_bit(FLAGS_OUTPUT_READY, &dd->flags)) {
set_bit(FLAGS_OUTPUT_READY, &dd->flags);