ALSA: virtio: introduce PCM channel map support

[linux-2.6-microblaze.git] / sound / virtio / virtio_card.h

diff --git a/sound/virtio/virtio_card.h b/sound/virtio/virtio_card.h
index f154313..86ef394 100644 (file)
--- 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 */