sound/virtio/virtio_pcm.h

1 /* SPDX-License-Identifier: GPL-2.0+ */
3  * virtio-snd: Virtio sound device
12 #include <sound/pcm-indirect.h>
18  * struct virtio_pcm_substream - VirtIO PCM substream.
19  * @snd: VirtIO sound device.
23  * @features: Stream VirtIO feature bit map (1 << VIRTIO_SND_PCM_F_XXX).
32  * @xfer_enabled: Data transfer state (0 - off, 1 - on).
33  * @xfer_xrun: Data underflow/overflow state (0 - no xrun, 1 - xrun).
34  * @stopped: True if the substream is stopped and must be released on the device
37  *             the device side at resume.
68  * struct virtio_pcm_stream - VirtIO PCM stream.
69  * @substreams: VirtIO substreams belonging to the stream.
82  * struct virtio_pcm - VirtIO PCM device.
83  * @list: VirtIO PCM list entry.
85  * @pcm: Kernel PCM device.
86  * @streams: VirtIO PCM streams (playback and capture).