diff options
Diffstat (limited to 'drivers/staging/media/imx/imx-media-dev.c')
| -rw-r--r-- | drivers/staging/media/imx/imx-media-dev.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/staging/media/imx/imx-media-dev.c b/drivers/staging/media/imx/imx-media-dev.c index 4b344a4a3706..25e916562c66 100644 --- a/drivers/staging/media/imx/imx-media-dev.c +++ b/drivers/staging/media/imx/imx-media-dev.c @@ -442,6 +442,29 @@ static const struct media_device_ops imx_media_md_ops = { .link_notify = imx_media_link_notify, }; +static void imx_media_notify(struct v4l2_subdev *sd, + unsigned int notification, + void *arg) +{ + struct media_entity *entity = &sd->entity; + int i; + + if (notification != V4L2_DEVICE_NOTIFY_EVENT) + return; + + for (i = 0; i < entity->num_pads; i++) { + struct media_pad *pad = &entity->pads[i]; + struct imx_media_pad_vdev *pad_vdev; + struct list_head *pad_vdev_list; + + pad_vdev_list = to_pad_vdev_list(sd, pad->index); + if (!pad_vdev_list) + continue; + list_for_each_entry(pad_vdev, pad_vdev_list, list) + v4l2_event_queue(pad_vdev->vdev->vfd, arg); + } +} + static int imx_media_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -462,6 +485,7 @@ static int imx_media_probe(struct platform_device *pdev) mutex_init(&imxmd->mutex); imxmd->v4l2_dev.mdev = &imxmd->md; + imxmd->v4l2_dev.notify = imx_media_notify; strscpy(imxmd->v4l2_dev.name, "imx-media", sizeof(imxmd->v4l2_dev.name)); |