media: tegra-video: Add support for VIDIOC_LOG_STATUS ioctl

This patch adds support for log_status ioctl.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/tegra-video/vi.c

@@ -838,6 +838,15 @@ static int tegra_channel_dv_timings_cap(struct file *file, void *fh,
 	return v4l2_subdev_call(subdev, pad, dv_timings_cap, cap);
 }
 
+static int tegra_channel_log_status(struct file *file, void *fh)
+{
+	struct tegra_vi_channel *chan = video_drvdata(file);
+
+	v4l2_device_call_all(chan->video.v4l2_dev, 0, core, log_status);
+
+	return 0;
+}
+
 static int tegra_channel_enum_input(struct file *file, void *fh,
 				    struct v4l2_input *inp)
 {
@@ -906,6 +915,7 @@ static const struct v4l2_ioctl_ops tegra_channel_ioctl_ops = {
 	.vidioc_query_dv_timings	= tegra_channel_query_dv_timings,
 	.vidioc_enum_dv_timings		= tegra_channel_enum_dv_timings,
 	.vidioc_dv_timings_cap		= tegra_channel_dv_timings_cap,
+	.vidioc_log_status		= tegra_channel_log_status,
 };
 
 /*