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| author | Anton Yakovlev <anton.yakovlev@opensynergy.com> | 2021-03-02 17:47:07 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-03-07 09:08:11 +0100 |
| commit | ca61a41f389c80db091db9d4ad5a651e2b4c9f70 (patch) | |
| tree | e82ebceca851a8ed9bac5d0fc920945fdebae2c3 /sound/virtio/virtio_card.h | |
| parent | da76e9f3e43a7195c69d370ee514cccae6517c76 (diff) | |
| download | linux-ca61a41f389c80db091db9d4ad5a651e2b4c9f70.tar.gz linux-ca61a41f389c80db091db9d4ad5a651e2b4c9f70.tar.bz2 linux-ca61a41f389c80db091db9d4ad5a651e2b4c9f70.zip | |
ALSA: virtio: introduce jack support
Enumerate all available jacks and create ALSA controls.
At the moment jacks have a simple implementation and can only be used
to receive notifications about a plugged in/out device.
Signed-off-by: Anton Yakovlev <anton.yakovlev@opensynergy.com>
Link: https://lore.kernel.org/r/20210302164709.3142702-8-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 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sound/virtio/virtio_card.h b/sound/virtio/virtio_card.h index c43f9744d362..f154313c79fd 100644 --- a/sound/virtio/virtio_card.h +++ b/sound/virtio/virtio_card.h @@ -18,6 +18,7 @@ #define VIRTIO_SND_CARD_NAME "VirtIO SoundCard" #define VIRTIO_SND_PCM_NAME "VirtIO PCM" +struct virtio_jack; struct virtio_pcm_substream; /** @@ -38,6 +39,8 @@ struct virtio_snd_queue { * @ctl_msgs: Pending control request list. * @event_msgs: Device events. * @pcm_list: VirtIO PCM device list. + * @jacks: VirtIO jacks. + * @njacks: Number of jacks. * @substreams: VirtIO PCM substreams. * @nsubstreams: Number of PCM substreams. */ @@ -48,6 +51,8 @@ struct virtio_snd { struct list_head ctl_msgs; struct virtio_snd_event *event_msgs; struct list_head pcm_list; + struct virtio_jack *jacks; + u32 njacks; struct virtio_pcm_substream *substreams; u32 nsubstreams; }; @@ -88,4 +93,11 @@ virtsnd_pcm_queue(struct virtio_pcm_substream *vss) return virtsnd_rx_queue(vss->snd); } +int virtsnd_jack_parse_cfg(struct virtio_snd *snd); + +int virtsnd_jack_build_devs(struct virtio_snd *snd); + +void virtsnd_jack_event(struct virtio_snd *snd, + struct virtio_snd_event *event); + #endif /* VIRTIO_SND_CARD_H */ |