media: cedrus: h264: Support profile controls

Cedrus supports H.264 profiles from Baseline to High,
except for the Extended profile

Expose the V4L2_CID_MPEG_VIDEO_H264_PROFILE so that
userspace can query the driver for the supported
profiles and levels.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Jernej Skrabec <jernej.skrabec@siol.net>
Tested-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/sunxi/cedrus/cedrus.c

@@ -103,6 +103,25 @@ static const struct cedrus_control cedrus_controls[] = {
 		.codec		= CEDRUS_CODEC_H264,
 		.required	= false,
 	},
+	/*
+	 * We only expose supported profiles information,
+	 * and not levels as it's not clear what is supported
+	 * for each hardware/core version.
+	 * In any case, TRY/S_FMT will clamp the format resolution
+	 * to the maximum supported.
+	 */
+	{
+		.cfg = {
+			.id	= V4L2_CID_MPEG_VIDEO_H264_PROFILE,
+			.min	= V4L2_MPEG_VIDEO_H264_PROFILE_BASELINE,
+			.def	= V4L2_MPEG_VIDEO_H264_PROFILE_MAIN,
+			.max	= V4L2_MPEG_VIDEO_H264_PROFILE_HIGH,
+			.menu_skip_mask =
+				BIT(V4L2_MPEG_VIDEO_H264_PROFILE_EXTENDED),
+		},
+		.codec		= CEDRUS_CODEC_H264,
+		.required	= false,
+	},
 	{
 		.cfg = {
 			.id	= V4L2_CID_MPEG_VIDEO_HEVC_SPS,