提交 2c0108e1 编写于 作者: S Sakari Ailus 提交者: Mauro Carvalho Chehab

[media] omap3isp: Correctly set QUERYCAP capabilities

device_caps in struct v4l2_capability were inadequately set in
VIDIOC_QUERYCAP. Fix this. Without this a WARN_ON in the v4l2 core
is triggered. This WARN_ON was added for kernel 3.19 exactly to
detect these situations.
Signed-off-by: NSakari Ailus <sakari.ailus@iki.fi>
Acked-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>
上级 8d4d9329
......@@ -602,10 +602,13 @@ isp_video_querycap(struct file *file, void *fh, struct v4l2_capability *cap)
strlcpy(cap->card, video->video.name, sizeof(cap->card));
strlcpy(cap->bus_info, "media", sizeof(cap->bus_info));
cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT
| V4L2_CAP_STREAMING | V4L2_CAP_DEVICE_CAPS;
if (video->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;
return 0;
}
......
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