Module devices::virtio::snd::common_backend::async_funcs

Enums

• VirtioSndPcmCmd 🔒
• VirtioSndPcmCmdError 🔒

Traits

• CaptureBufferReader
  Trait to wrap system specific helpers for reading from the start point capture buffer.
• PlaybackBufferWriter
  Trait to wrap system specific helpers for writing to endpoint playback buffers.

Functions

• await_reset_signal 🔒
• defer_pcm_response_to_worker 🔒
• drain_desc_receiver 🔒
• handle_ctrl_queue
  Handle all the control messages from the ctrl queue.
• handle_ctrl_tube
  Handle messages from the control tube. This one is not related to virtio spec.
• handle_event_queue
  Send events to the audio driver.
• handle_pcm_queue
  Handle messages from the tx or the rx queue. One invocation is needed for each queue.
• pcm_worker_loop 🔒
• process_pcm_ctrl 🔒
• read_data 🔒
• send_pcm_response 🔒
• send_pcm_response_worker
• start_pcm_worker
  Start a pcm worker that receives descriptors containing PCM frames (audio data) from the tx/rx queue, and forward them to CRAS. One pcm worker per stream.
• write_data 🔒