[media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP

Set the capabilities field to global capabilities, and the device_caps
field to the video node capabilities.
This issue was found by the v4l2-compliance tool.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 3bd93736a82a..b1aa55fb8984 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -565,12 +565,14 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
                 usb_make_path(stream->dev->udev,
                               cap->bus_info, sizeof(cap->bus_info));
                 cap->version = LINUX_VERSION_CODE;
+                cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING
+                                  | chain->caps;
                 if (stream->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
-                        cap->capabilities = V4L2_CAP_VIDEO_CAPTURE
-                                          | V4L2_CAP_STREAMING;
+                        cap->device_caps = V4L2_CAP_VIDEO_CAPTURE
+                                         | V4L2_CAP_STREAMING;
                 else
-                        cap->capabilities = V4L2_CAP_VIDEO_OUTPUT
-                                          | V4L2_CAP_STREAMING;
+                        cap->device_caps = V4L2_CAP_VIDEO_OUTPUT
+                                         | V4L2_CAP_STREAMING;
                 break;
         }