media: uapi: Init VP9 stateless decode params

Init some of VP9 frame decode params to default value.

Fixes: b88dbe38dc ("media: uapi: Add VP9 stateless decoder controls")
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/v4l2-core/v4l2-ctrls-core.c

@@ -112,6 +112,7 @@ static void std_init_compound(const struct v4l2_ctrl *ctrl, u32 idx,
 	struct v4l2_ctrl_mpeg2_picture *p_mpeg2_picture;
 	struct v4l2_ctrl_mpeg2_quantisation *p_mpeg2_quant;
 	struct v4l2_ctrl_vp8_frame *p_vp8_frame;
+	struct v4l2_ctrl_vp9_frame *p_vp9_frame;
 	struct v4l2_ctrl_fwht_params *p_fwht_params;
 	void *p = ptr.p + idx * ctrl->elem_size;
 
@@ -152,6 +153,13 @@ static void std_init_compound(const struct v4l2_ctrl *ctrl, u32 idx,
 		p_vp8_frame = p;
 		p_vp8_frame->num_dct_parts = 1;
 		break;
+	case V4L2_CTRL_TYPE_VP9_FRAME:
+		p_vp9_frame = p;
+		p_vp9_frame->profile = 0;
+		p_vp9_frame->bit_depth = 8;
+		p_vp9_frame->flags |= V4L2_VP9_FRAME_FLAG_X_SUBSAMPLING |
+			V4L2_VP9_FRAME_FLAG_Y_SUBSAMPLING;
+		break;
 	case V4L2_CTRL_TYPE_FWHT_PARAMS:
 		p_fwht_params = p;
 		p_fwht_params->version = V4L2_FWHT_VERSION;