On 03/26/2015 02:21 AM, Philipp Zabel wrote:
> Subdevice nodes don't implement VIDIOC_QUERYCAP. This check doesn't
> allow any operations on v42-subdev nodes, such as setting EDID.
Nack because I'm going to create a proper VIDIOC_SUBDEV_QUERYCAP for
subdevs. I'm planning to work on this next week.
Regards,
Hans
>
> Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> ---
> utils/v4l2-ctl/v4l2-ctl.cpp | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/utils/v4l2-ctl/v4l2-ctl.cpp b/utils/v4l2-ctl/v4l2-ctl.cpp
> index b340af7..211372b 100644
> --- a/utils/v4l2-ctl/v4l2-ctl.cpp
> +++ b/utils/v4l2-ctl/v4l2-ctl.cpp
> @@ -1149,10 +1149,7 @@ int main(int argc, char **argv)
> }
>
> verbose = options[OptVerbose];
> - if (doioctl(fd, VIDIOC_QUERYCAP, &vcap)) {
> - fprintf(stderr, "%s: not a v4l2 node\n", device);
> - exit(1);
> - }
> + doioctl(fd, VIDIOC_QUERYCAP, &vcap);
> capabilities = vcap.capabilities;
> if (capabilities & V4L2_CAP_DEVICE_CAPS)
> capabilities = vcap.device_caps;
>
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