diff options
Diffstat (limited to 'sound/virtio/virtio_card.c')
| -rw-r--r-- | sound/virtio/virtio_card.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/virtio/virtio_card.c b/sound/virtio/virtio_card.c index b158c3cb8e5f5..2da20c6252477 100644 --- a/sound/virtio/virtio_card.c +++ b/sound/virtio/virtio_card.c @@ -64,6 +64,9 @@ static void virtsnd_event_dispatch(struct virtio_snd *snd, case VIRTIO_SND_EVT_PCM_XRUN: virtsnd_pcm_event(snd, event); break; + case VIRTIO_SND_EVT_CTL_NOTIFY: + virtsnd_kctl_event(snd, event); + break; } } @@ -233,6 +236,12 @@ static int virtsnd_build_devs(struct virtio_snd *snd) if (rc) return rc; + if (virtio_has_feature(vdev, VIRTIO_SND_F_CTLS)) { + rc = virtsnd_kctl_parse_cfg(snd); + if (rc) + return rc; + } + if (snd->njacks) { rc = virtsnd_jack_build_devs(snd); if (rc) @@ -251,6 +260,12 @@ static int virtsnd_build_devs(struct virtio_snd *snd) return rc; } + if (snd->nkctls) { + rc = virtsnd_kctl_build_devs(snd); + if (rc) + return rc; + } + return snd_card_register(snd->card); } @@ -417,10 +432,16 @@ static const struct virtio_device_id id_table[] = { { 0 }, }; +static unsigned int features[] = { + VIRTIO_SND_F_CTLS +}; + static struct virtio_driver virtsnd_driver = { .driver.name = KBUILD_MODNAME, .driver.owner = THIS_MODULE, .id_table = id_table, + .feature_table = features, + .feature_table_size = ARRAY_SIZE(features), .validate = virtsnd_validate, .probe = virtsnd_probe, .remove = virtsnd_remove, |