[media] omap_vout: add missing OVERLAY_OUTPUT cap and set V4L2_FBUF_FLAG_OVERLAY

The omap_vout driver has an output overlay, but never advertised that
capability.

The driver should also set the V4L2_FBUF_FLAG_OVERLAY flag.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
CC: Archit Taneja <archit@ti.com>
CC: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 00d6d192b88c..1e7c0d6205e6 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -1046,7 +1046,8 @@ static int vidioc_querycap(struct file *file, void *fh,
         strlcpy(cap->driver, VOUT_NAME, sizeof(cap->driver));
         strlcpy(cap->card, vout->vfd->name, sizeof(cap->card));
         cap->bus_info[0] = '\0';
-        cap->capabilities = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_OUTPUT;
+        cap->capabilities = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_OUTPUT |
+                V4L2_CAP_VIDEO_OUTPUT_OVERLAY;
 
         return 0;
 }
@@ -1828,7 +1829,9 @@ static int vidioc_g_fbuf(struct file *file, void *fh,
         ovid = &vout->vid_info;
         ovl = ovid->overlays[0];
 
-        a->flags = 0x0;
+        /* The video overlay must stay within the framebuffer and can't be
+           positioned independently. */
+        a->flags = V4L2_FBUF_FLAG_OVERLAY;
         a->capability = V4L2_FBUF_CAP_LOCAL_ALPHA | V4L2_FBUF_CAP_CHROMAKEY
                 | V4L2_FBUF_CAP_SRC_CHROMAKEY;