V4L/DVB (8649): v4l2: add AAC bitrate control

If you can select AAC as audio encoder, then you should also be
able to set the bitrate. Add this missing control.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/v4l2-common.c

@@ -386,6 +386,7 @@ const char *v4l2_ctrl_get_name(u32 id)
 	case V4L2_CID_MPEG_AUDIO_L1_BITRATE: 	return "Audio Layer I Bitrate";
 	case V4L2_CID_MPEG_AUDIO_L2_BITRATE: 	return "Audio Layer II Bitrate";
 	case V4L2_CID_MPEG_AUDIO_L3_BITRATE: 	return "Audio Layer III Bitrate";
+	case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: 	return "Audio AAC Bitrate";
 	case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: 	return "Audio AC-3 Bitrate";
 	case V4L2_CID_MPEG_AUDIO_MODE: 		return "Audio Stereo Mode";
 	case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: return "Audio Stereo Mode Extension";
@@ -548,6 +549,8 @@ int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl)
 				V4L2_MPEG_AUDIO_L3_BITRATE_32K,
 				V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1,
 				V4L2_MPEG_AUDIO_L3_BITRATE_192K);
+	case V4L2_CID_MPEG_AUDIO_AAC_BITRATE:
+		return v4l2_ctrl_query_fill(qctrl, 0, 6400, 1, 3200000);
 	case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
 		return v4l2_ctrl_query_fill(qctrl,
 				V4L2_MPEG_AUDIO_AC3_BITRATE_32K,

include/linux/videodev2.h

@@ -990,7 +990,8 @@ enum v4l2_mpeg_audio_crc {
 	V4L2_MPEG_AUDIO_CRC_CRC16 = 1,
 };
 #define V4L2_CID_MPEG_AUDIO_MUTE 		(V4L2_CID_MPEG_BASE+109)
-#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE		(V4L2_CID_MPEG_BASE+110)
+#define V4L2_CID_MPEG_AUDIO_AAC_BITRATE		(V4L2_CID_MPEG_BASE+110)
+#define V4L2_CID_MPEG_AUDIO_AC3_BITRATE		(V4L2_CID_MPEG_BASE+111)
 enum v4l2_mpeg_audio_ac3_bitrate {
 	V4L2_MPEG_AUDIO_AC3_BITRATE_32K  = 0,
 	V4L2_MPEG_AUDIO_AC3_BITRATE_40K  = 1,