media: venus: venc : Add support for priority ID control.

Add support for base layer priority ID control in encoder.
This is a preparation patch to support v6.

[hverkuil: changed 54 to 51 in v4l2_ctrl_handler_init]
Signed-off-by: Dikshita Agarwal <dikshita@codeaurora.org>
Acked-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/qcom/venus/core.h

@@ -236,6 +236,8 @@ struct venc_controls {
 		u32 hevc;
 		u32 vp9;
 	} level;
+
+	u32 base_priority_id;
 };
 
 struct venus_buffer {

drivers/media/platform/qcom/venus/venc_ctrls.c

@@ -259,6 +259,9 @@ static int venc_op_s_ctrl(struct v4l2_ctrl *ctrl)
 	case V4L2_CID_MPEG_VIDEO_FRAME_SKIP_MODE:
 		ctr->frame_skip_mode = ctrl->val;
 		break;
+	case V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID:
+		ctr->base_priority_id = ctrl->val;
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -274,7 +277,7 @@ int venc_ctrl_init(struct venus_inst *inst)
 {
 	int ret;
 
-	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 50);
+	ret = v4l2_ctrl_handler_init(&inst->ctrl_handler, 51);
 	if (ret)
 		return ret;
 
@@ -476,6 +479,10 @@ int venc_ctrl_init(struct venus_inst *inst)
 			       (1 << V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT)),
 			       V4L2_MPEG_VIDEO_FRAME_SKIP_MODE_DISABLED);
 
+	v4l2_ctrl_new_std(&inst->ctrl_handler, &venc_ctrl_ops,
+			  V4L2_CID_MPEG_VIDEO_BASELAYER_PRIORITY_ID, 0,
+			  6, 1, 0);
+
 	ret = inst->ctrl_handler.error;
 	if (ret)
 		goto err;