media: hantro: Support H264 profile control

The Hantro G1 decoder supports H.264 profiles from Baseline to High, with
the exception of the Extended profile.

Expose the V4L2_CID_MPEG_VIDEO_H264_PROFILE control, so that the
applications can query the driver for the list of supported profiles.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/hantro/hantro_drv.c

@@ -361,6 +361,16 @@ static const struct hantro_ctrl controls[] = {
 			.def = V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B,
 			.max = V4L2_MPEG_VIDEO_H264_START_CODE_ANNEX_B,
 		},
+	}, {
+		.codec = HANTRO_H264_DECODER,
+		.cfg = {
+			.id = V4L2_CID_MPEG_VIDEO_H264_PROFILE,
+			.min = V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE,
+			.max = V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
+			.menu_skip_mask =
+			BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
+			.def = V4L2_MPEG_VIDEO_H264_PROFILE_MAIN,
+		}
 	}, {
 	},
 };