diff options
| author | Anton Yakovlev <anton.yakovlev@opensynergy.com> | 2021-03-02 17:47:08 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-03-07 09:08:20 +0100 |
| commit | 19325fedf245ca932c58a629d3888a9a393534ab (patch) | |
| tree | 2c6e2bfb81e90bdd25e3043b1473d19efc6898a2 /sound/virtio/virtio_card.h | |
| parent | ca61a41f389c80db091db9d4ad5a651e2b4c9f70 (diff) | |
| download | linux-19325fedf245ca932c58a629d3888a9a393534ab.tar.gz linux-19325fedf245ca932c58a629d3888a9a393534ab.tar.bz2 linux-19325fedf245ca932c58a629d3888a9a393534ab.zip | |
ALSA: virtio: introduce PCM channel map support
Enumerate all available PCM channel maps and create ALSA controls.
Signed-off-by: Anton Yakovlev <anton.yakovlev@opensynergy.com>
Link: https://lore.kernel.org/r/20210302164709.3142702-9-anton.yakovlev@opensynergy.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/virtio/virtio_card.h')
| -rw-r--r-- | sound/virtio/virtio_card.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/virtio/virtio_card.h b/sound/virtio/virtio_card.h index f154313c79fd..86ef3941895e 100644 --- a/sound/virtio/virtio_card.h +++ b/sound/virtio/virtio_card.h @@ -43,6 +43,8 @@ struct virtio_snd_queue { * @njacks: Number of jacks. * @substreams: VirtIO PCM substreams. * @nsubstreams: Number of PCM substreams. + * @chmaps: VirtIO channel maps. + * @nchmaps: Number of channel maps. */ struct virtio_snd { struct virtio_device *vdev; @@ -55,6 +57,8 @@ struct virtio_snd { u32 njacks; struct virtio_pcm_substream *substreams; u32 nsubstreams; + struct virtio_snd_chmap_info *chmaps; + u32 nchmaps; }; /* Message completion timeout in milliseconds (module parameter). */ @@ -100,4 +104,8 @@ int virtsnd_jack_build_devs(struct virtio_snd *snd); void virtsnd_jack_event(struct virtio_snd *snd, struct virtio_snd_event *event); +int virtsnd_chmap_parse_cfg(struct virtio_snd *snd); + +int virtsnd_chmap_build_devs(struct virtio_snd *snd); + #endif /* VIRTIO_SND_CARD_H */ |