diff options
Diffstat (limited to 'sound/virtio/virtio_card.c')
| -rw-r--r-- | sound/virtio/virtio_card.c | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/sound/virtio/virtio_card.c b/sound/virtio/virtio_card.c index b158c3cb8e5f..965209e1d872 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; } } @@ -107,25 +110,22 @@ static void virtsnd_event_notify_cb(struct virtqueue *vqueue) static int virtsnd_find_vqs(struct virtio_snd *snd) { struct virtio_device *vdev = snd->vdev; - static vq_callback_t *callbacks[VIRTIO_SND_VQ_MAX] = { - [VIRTIO_SND_VQ_CONTROL] = virtsnd_ctl_notify_cb, - [VIRTIO_SND_VQ_EVENT] = virtsnd_event_notify_cb, - [VIRTIO_SND_VQ_TX] = virtsnd_pcm_tx_notify_cb, - [VIRTIO_SND_VQ_RX] = virtsnd_pcm_rx_notify_cb - }; - static const char *names[VIRTIO_SND_VQ_MAX] = { - [VIRTIO_SND_VQ_CONTROL] = "virtsnd-ctl", - [VIRTIO_SND_VQ_EVENT] = "virtsnd-event", - [VIRTIO_SND_VQ_TX] = "virtsnd-tx", - [VIRTIO_SND_VQ_RX] = "virtsnd-rx" + struct virtqueue_info vqs_info[VIRTIO_SND_VQ_MAX] = { + [VIRTIO_SND_VQ_CONTROL] = { "virtsnd-ctl", + virtsnd_ctl_notify_cb }, + [VIRTIO_SND_VQ_EVENT] = { "virtsnd-event", + virtsnd_event_notify_cb }, + [VIRTIO_SND_VQ_TX] = { "virtsnd-tx", + virtsnd_pcm_tx_notify_cb }, + [VIRTIO_SND_VQ_RX] = { "virtsnd-rx", + virtsnd_pcm_rx_notify_cb }, }; struct virtqueue *vqs[VIRTIO_SND_VQ_MAX] = { 0 }; unsigned int i; unsigned int n; int rc; - rc = virtio_find_vqs(vdev, VIRTIO_SND_VQ_MAX, vqs, callbacks, names, - NULL); + rc = virtio_find_vqs(vdev, VIRTIO_SND_VQ_MAX, vqs, vqs_info, NULL); if (rc) { dev_err(&vdev->dev, "failed to initialize virtqueues\n"); return rc; @@ -233,6 +233,12 @@ 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 +257,12 @@ 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 +429,15 @@ 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, |