media: vivid: add HDMI Video Guard Band control

Add a vivid control to insert the HDMI Video Guard Band in the
image.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/test-drivers/vivid/vivid-ctrls.c

@@ -46,6 +46,7 @@
 #define VIVID_CID_INSERT_SAV		(VIVID_CID_VIVID_BASE + 6)
 #define VIVID_CID_INSERT_EAV		(VIVID_CID_VIVID_BASE + 7)
 #define VIVID_CID_VBI_CAP_INTERLACED	(VIVID_CID_VIVID_BASE + 8)
+#define VIVID_CID_INSERT_HDMI_VIDEO_GUARD_BAND (VIVID_CID_VIVID_BASE + 9)
 
 #define VIVID_CID_HFLIP			(VIVID_CID_VIVID_BASE + 20)
 #define VIVID_CID_VFLIP			(VIVID_CID_VIVID_BASE + 21)
@@ -474,6 +475,9 @@ static int vivid_vid_cap_s_ctrl(struct v4l2_ctrl *ctrl)
 	case VIVID_CID_INSERT_EAV:
 		tpg_s_insert_eav(&dev->tpg, ctrl->val);
 		break;
+	case VIVID_CID_INSERT_HDMI_VIDEO_GUARD_BAND:
+		tpg_s_insert_hdmi_video_guard_band(&dev->tpg, ctrl->val);
+		break;
 	case VIVID_CID_HFLIP:
 		dev->sensor_hflip = ctrl->val;
 		tpg_s_hflip(&dev->tpg, dev->sensor_hflip ^ dev->hflip);
@@ -660,6 +664,15 @@ static const struct v4l2_ctrl_config vivid_ctrl_insert_eav = {
 	.step = 1,
 };
 
+static const struct v4l2_ctrl_config vivid_ctrl_insert_hdmi_video_guard_band = {
+	.ops = &vivid_vid_cap_ctrl_ops,
+	.id = VIVID_CID_INSERT_HDMI_VIDEO_GUARD_BAND,
+	.name = "Insert Video Guard Band",
+	.type = V4L2_CTRL_TYPE_BOOLEAN,
+	.max = 1,
+	.step = 1,
+};
+
 static const struct v4l2_ctrl_config vivid_ctrl_hflip = {
 	.ops = &vivid_vid_cap_ctrl_ops,
 	.id = VIVID_CID_HFLIP,
@@ -1638,6 +1651,7 @@ int vivid_create_controls(struct vivid_dev *dev, bool show_ccs_cap,
 		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_vflip, NULL);
 		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_insert_sav, NULL);
 		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_insert_eav, NULL);
+		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_insert_hdmi_video_guard_band, NULL);
 		v4l2_ctrl_new_custom(hdl_vid_cap, &vivid_ctrl_reduced_fps, NULL);
 		if (show_ccs_cap) {
 			dev->ctrl_has_crop_cap = v4l2_ctrl_new_custom(hdl_vid_cap,