Instead of filling in the struct v4l2_capability device_caps field, fill in the struct video_device device_caps field. That way the V4L2 core knows what the capabilities of the video device are. But this only really works if all drivers use this, so convert this UVC gadget driver. Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> --- drivers/usb/gadget/function/f_uvc.c | 1 + drivers/usb/gadget/function/uvc_v4l2.c | 4 ---- 2 files changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c index 8c99392df593..fb0a892687c0 100644 --- a/drivers/usb/gadget/function/f_uvc.c +++ b/drivers/usb/gadget/function/f_uvc.c @@ -423,6 +423,7 @@ uvc_register_video(struct uvc_device *uvc) uvc->vdev.release = video_device_release_empty; uvc->vdev.vfl_dir = VFL_DIR_TX; uvc->vdev.lock = &uvc->video.mutex; + uvc->vdev.device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; strlcpy(uvc->vdev.name, cdev->gadget->name, sizeof(uvc->vdev.name)); video_set_drvdata(&uvc->vdev, uvc); diff --git a/drivers/usb/gadget/function/uvc_v4l2.c b/drivers/usb/gadget/function/uvc_v4l2.c index a1183eccee22..495f0ec663ea 100644 --- a/drivers/usb/gadget/function/uvc_v4l2.c +++ b/drivers/usb/gadget/function/uvc_v4l2.c @@ -71,10 +71,6 @@ uvc_v4l2_querycap(struct file *file, void *fh, struct v4l2_capability *cap) strlcpy(cap->card, cdev->gadget->name, sizeof(cap->card)); strlcpy(cap->bus_info, dev_name(&cdev->gadget->dev), sizeof(cap->bus_info)); - - cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; - cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; - return 0; } -- 2.20.1
