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path: root/drivers/media/usb/uvc/uvc_driver.c
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Diffstat (limited to 'drivers/media/usb/uvc/uvc_driver.c')
-rw-r--r--drivers/media/usb/uvc/uvc_driver.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 5967081747ce..5dbefa68b1d2 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -1562,6 +1562,9 @@ static int uvc_scan_device(struct uvc_device *dev)
INIT_LIST_HEAD(&chain->entities);
mutex_init(&chain->ctrl_mutex);
chain->dev = dev;
+ v4l2_prio_init(&chain->prio);
+
+ term->flags |= UVC_ENTITY_FLAG_DEFAULT;
if (uvc_scan_chain(chain, term) < 0) {
kfree(chain);
@@ -1722,6 +1725,8 @@ static int uvc_register_video(struct uvc_device *dev,
vdev->v4l2_dev = &dev->vdev;
vdev->fops = &uvc_fops;
vdev->release = uvc_release;
+ vdev->prio = &stream->chain->prio;
+ set_bit(V4L2_FL_USE_FH_PRIO, &vdev->flags);
if (stream->type == V4L2_BUF_TYPE_VIDEO_OUTPUT)
vdev->vfl_dir = VFL_DIR_TX;
strlcpy(vdev->name, dev->name, sizeof vdev->name);
@@ -1741,6 +1746,11 @@ static int uvc_register_video(struct uvc_device *dev,
return ret;
}
+ if (stream->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ stream->chain->caps |= V4L2_CAP_VIDEO_CAPTURE;
+ else
+ stream->chain->caps |= V4L2_CAP_VIDEO_OUTPUT;
+
atomic_inc(&dev->nstreams);
return 0;
}