V4L2_CID_MPEG_AUDIO_MODE_EXTENSION,
        V4L2_CID_MPEG_AUDIO_EMPHASIS,
        V4L2_CID_MPEG_AUDIO_CRC,
+       V4L2_CID_MPEG_AUDIO_MUTE,
        V4L2_CID_MPEG_VIDEO_ENCODING,
        V4L2_CID_MPEG_VIDEO_ASPECT,
        V4L2_CID_MPEG_VIDEO_B_FRAMES,
        V4L2_CID_MPEG_VIDEO_BITRATE,
        V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
        V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION,
+       V4L2_CID_MPEG_VIDEO_MUTE,
+       V4L2_CID_MPEG_VIDEO_MUTE_YUV,
        V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE,
        V4L2_CID_MPEG_CX2341X_VIDEO_SPATIAL_FILTER,
        V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_SPATIAL_FILTER_TYPE,
        V4L2_CID_MPEG_CX2341X_VIDEO_LUMA_MEDIAN_FILTER_TOP,
        V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM,
        V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_TOP,
+       V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS,
        0
 };
 
        case V4L2_CID_MPEG_AUDIO_CRC:
                ctrl->value = params->audio_crc;
                break;
+       case V4L2_CID_MPEG_AUDIO_MUTE:
+               ctrl->value = params->audio_mute;
+               break;
        case V4L2_CID_MPEG_VIDEO_ENCODING:
                ctrl->value = params->video_encoding;
                break;
        case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
                ctrl->value = params->video_temporal_decimation;
                break;
+       case V4L2_CID_MPEG_VIDEO_MUTE:
+               ctrl->value = params->video_mute;
+               break;
+       case V4L2_CID_MPEG_VIDEO_MUTE_YUV:
+               ctrl->value = params->video_mute_yuv;
+               break;
        case V4L2_CID_MPEG_STREAM_TYPE:
                ctrl->value = params->stream_type;
                break;
        case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
                ctrl->value = params->video_chroma_median_filter_bottom;
                break;
+       case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
+               ctrl->value = params->stream_insert_nav_packets;
+               break;
        default:
                return -EINVAL;
        }
        case V4L2_CID_MPEG_AUDIO_CRC:
                params->audio_crc = ctrl->value;
                break;
+       case V4L2_CID_MPEG_AUDIO_MUTE:
+               params->audio_mute = ctrl->value;
+               break;
        case V4L2_CID_MPEG_VIDEO_ASPECT:
                params->video_aspect = ctrl->value;
                break;
        case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
                params->video_temporal_decimation = ctrl->value;
                break;
+       case V4L2_CID_MPEG_VIDEO_MUTE:
+               params->video_mute = (ctrl->value != 0);
+               break;
+       case V4L2_CID_MPEG_VIDEO_MUTE_YUV:
+               params->video_mute_yuv = ctrl->value;
+               break;
        case V4L2_CID_MPEG_STREAM_TYPE:
                params->stream_type = ctrl->value;
                params->video_encoding =
        case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
                params->video_chroma_median_filter_bottom = ctrl->value;
                break;
+       case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
+               params->stream_insert_nav_packets = ctrl->value;
+               break;
        default:
                return -EINVAL;
        }
        case V4L2_CID_MPEG_CX2341X_VIDEO_CHROMA_MEDIAN_FILTER_BOTTOM:
                name = "Median Chroma Filter Minimum";
                break;
+       case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
+               name = "Insert Navigation Packets";
+               break;
 
        default:
                return v4l2_ctrl_query_fill(qctrl, min, max, step, def);
                min = 0;
                step = 1;
                break;
+       case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
+               qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
+               min = 0;
+               max = 1;
+               step = 1;
+               break;
        default:
                qctrl->type = V4L2_CTRL_TYPE_INTEGER;
                break;
                       qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE;
                return 0;
 
+       case V4L2_CID_MPEG_CX2341X_STREAM_INSERT_NAV_PACKETS:
+               return cx2341x_ctrl_query_fill(qctrl, 0, 1, 1, 0);
+
        default:
                return v4l2_ctrl_query_fill_std(qctrl);
 
        /* stream */
        .stream_type = V4L2_MPEG_STREAM_TYPE_MPEG2_PS,
        .stream_vbi_fmt = V4L2_MPEG_STREAM_VBI_FMT_NONE,
+       .stream_insert_nav_packets = 0,
 
        /* audio */
        .audio_sampling_freq = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000,
        .audio_mode_extension = V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4,
        .audio_emphasis = V4L2_MPEG_AUDIO_EMPHASIS_NONE,
        .audio_crc = V4L2_MPEG_AUDIO_CRC_NONE,
+       .audio_mute = 0,
 
        /* video */
        .video_encoding = V4L2_MPEG_VIDEO_ENCODING_MPEG_2,
        .video_bitrate = 6000000,
        .video_bitrate_peak = 8000000,
        .video_temporal_decimation = 0,
+       .video_mute = 0,
+       .video_mute_yuv = 0x008080,  /* YCbCr value for black */
 
        /* encoding filters */
        .video_spatial_filter_mode = V4L2_MPEG_CX2341X_VIDEO_SPATIAL_FILTER_MODE_MANUAL,
                err = cx2341x_api(priv, func, CX2341X_ENC_SET_AUDIO_PROPERTIES, 1, new->audio_properties);
                if (err) return err;
        }
+       if (old == NULL || old->audio_mute != new->audio_mute) {
+               err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_AUDIO, 1, new->audio_mute);
+               if (err) return err;
+       }
        if (old == NULL || old->video_bitrate_mode != new->video_bitrate_mode ||
                old->video_bitrate != new->video_bitrate ||
                old->video_bitrate_peak != new->video_bitrate_peak) {
                        new->video_temporal_decimation);
                if (err) return err;
        }
+       if (old == NULL || old->video_mute != new->video_mute ||
+                       (new->video_mute && old->video_mute_yuv != new->video_mute_yuv)) {
+               err = cx2341x_api(priv, func, CX2341X_ENC_MUTE_VIDEO, 1, new->video_mute | (new->video_mute_yuv << 8));
+               if (err) return err;
+       }
+       if (old == NULL || old->stream_insert_nav_packets != new->stream_insert_nav_packets) {
+               err = cx2341x_api(priv, func, CX2341X_ENC_MISC, 2, 7, new->stream_insert_nav_packets);
+               if (err) return err;
+       }
        return 0;
 }
 
        int temporal = p->video_temporal_filter;
 
        /* Stream */
-       printk(KERN_INFO "%s: Stream: %s\n",
+       printk(KERN_INFO "%s: Stream: %s",
                prefix,
                cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_TYPE));
+       if (p->stream_insert_nav_packets)
+               printk(" (with navigation packets)");
+       printk("\n");
        printk(KERN_INFO "%s: VBI Format: %s\n",
                prefix,
                cx2341x_menu_item(p, V4L2_CID_MPEG_STREAM_VBI_FMT));
 
        /* Video */
-       printk(KERN_INFO "%s: Video:  %dx%d, %d fps\n",
+       printk(KERN_INFO "%s: Video:  %dx%d, %d fps%s\n",
                prefix,
                p->width / (is_mpeg1 ? 2 : 1), p->height / (is_mpeg1 ? 2 : 1),
-               p->is_50hz ? 25 : 30);
+               p->is_50hz ? 25 : 30,
+               (p->video_mute) ? " (muted)" : "");
        printk(KERN_INFO "%s: Video:  %s, %s, %s, %d",
                prefix,
                cx2341x_menu_item(p, V4L2_CID_MPEG_VIDEO_ENCODING),
        }
 
        /* Audio */
-       printk(KERN_INFO "%s: Audio:  %s, %s, %s, %s",
+       printk(KERN_INFO "%s: Audio:  %s, %s, %s, %s%s",
                prefix,
                cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ),
                cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_ENCODING),
                cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_L2_BITRATE),
-               cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_MODE));
+               cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_MODE),
+               p->audio_mute ? " (muted)" : "");
        if (p->audio_mode == V4L2_MPEG_AUDIO_MODE_JOINT_STEREO) {
                printk(", %s",
                        cx2341x_menu_item(p, V4L2_CID_MPEG_AUDIO_MODE_EXTENSION));
 
        case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: name = "Audio Stereo Mode Extension"; break;
        case V4L2_CID_MPEG_AUDIO_EMPHASIS:      name = "Audio Emphasis"; break;
        case V4L2_CID_MPEG_AUDIO_CRC:           name = "Audio CRC"; break;
+       case V4L2_CID_MPEG_AUDIO_MUTE:          name = "Audio Mute"; break;
        case V4L2_CID_MPEG_VIDEO_ENCODING:      name = "Video Encoding"; break;
        case V4L2_CID_MPEG_VIDEO_ASPECT:        name = "Video Aspect"; break;
        case V4L2_CID_MPEG_VIDEO_B_FRAMES:      name = "Video B Frames"; break;
        case V4L2_CID_MPEG_VIDEO_BITRATE:       name = "Video Bitrate"; break;
        case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:  name = "Video Peak Bitrate"; break;
        case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: name = "Video Temporal Decimation"; break;
+       case V4L2_CID_MPEG_VIDEO_MUTE:          name = "Video Mute"; break;
+       case V4L2_CID_MPEG_VIDEO_MUTE_YUV:      name = "Video Mute YUV"; break;
        case V4L2_CID_MPEG_STREAM_TYPE:         name = "Stream Type"; break;
        case V4L2_CID_MPEG_STREAM_PID_PMT:      name = "Stream PMT Program ID"; break;
        case V4L2_CID_MPEG_STREAM_PID_AUDIO:    name = "Stream Audio Program ID"; break;
        switch (qctrl->id) {
        case V4L2_CID_AUDIO_MUTE:
        case V4L2_CID_AUDIO_LOUDNESS:
+       case V4L2_CID_MPEG_AUDIO_MUTE:
        case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
        case V4L2_CID_MPEG_VIDEO_PULLDOWN:
                qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
                                V4L2_MPEG_AUDIO_CRC_NONE,
                                V4L2_MPEG_AUDIO_CRC_CRC16, 1,
                                V4L2_MPEG_AUDIO_CRC_NONE);
+       case V4L2_CID_MPEG_AUDIO_MUTE:
+               return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
        case V4L2_CID_MPEG_VIDEO_ENCODING:
                return v4l2_ctrl_query_fill(qctrl,
                                V4L2_MPEG_VIDEO_ENCODING_MPEG_1,
                return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000);
        case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
                return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0);
+       case V4L2_CID_MPEG_VIDEO_MUTE:
+               return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0);
+       case V4L2_CID_MPEG_VIDEO_MUTE_YUV:  /* Init YUV (really YCbCr) to black */
+               return v4l2_ctrl_query_fill(qctrl, 0, 0xffffff, 1, 0x008080);
        case V4L2_CID_MPEG_STREAM_TYPE:
                return v4l2_ctrl_query_fill(qctrl,
                                V4L2_MPEG_STREAM_TYPE_MPEG2_PS,