diff options
Diffstat (limited to 'sound/virtio/virtio_card.h')
| -rw-r--r-- | sound/virtio/virtio_card.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sound/virtio/virtio_card.h b/sound/virtio/virtio_card.h index 86ef3941895e..3ceee4e416fc 100644 --- a/sound/virtio/virtio_card.h +++ b/sound/virtio/virtio_card.h @@ -32,6 +32,16 @@ struct virtio_snd_queue { }; /** + * struct virtio_kctl - VirtIO control element. + * @kctl: ALSA control element. + * @items: Items for the ENUMERATED element type. + */ +struct virtio_kctl { + struct snd_kcontrol *kctl; + struct virtio_snd_ctl_enum_item *items; +}; + +/** * struct virtio_snd - VirtIO sound card device. * @vdev: Underlying virtio device. * @queues: Virtqueue wrappers. @@ -45,6 +55,9 @@ struct virtio_snd_queue { * @nsubstreams: Number of PCM substreams. * @chmaps: VirtIO channel maps. * @nchmaps: Number of channel maps. + * @kctl_infos: VirtIO control element information. + * @kctls: VirtIO control elements. + * @nkctls: Number of control elements. */ struct virtio_snd { struct virtio_device *vdev; @@ -59,6 +72,9 @@ struct virtio_snd { u32 nsubstreams; struct virtio_snd_chmap_info *chmaps; u32 nchmaps; + struct virtio_snd_ctl_info *kctl_infos; + struct virtio_kctl *kctls; + u32 nkctls; }; /* Message completion timeout in milliseconds (module parameter). */ @@ -108,4 +124,10 @@ int virtsnd_chmap_parse_cfg(struct virtio_snd *snd); int virtsnd_chmap_build_devs(struct virtio_snd *snd); +int virtsnd_kctl_parse_cfg(struct virtio_snd *snd); + +int virtsnd_kctl_build_devs(struct virtio_snd *snd); + +void virtsnd_kctl_event(struct virtio_snd *snd, struct virtio_snd_event *event); + #endif /* VIRTIO_SND_CARD_H */ |