diff --git a/drivers/media/video/cx2341x.c b/drivers/media/video/cx2341x.c
index 904bba0dbc4d42d5a4139db8008bff03a08845db..62304255dcae120cbf669f451942003227f4330e 100644
--- a/drivers/media/video/cx2341x.c
+++ b/drivers/media/video/cx2341x.c
@@ -190,17 +190,21 @@ static int cx2341x_get_ctrl(struct cx2341x_mpeg_params *params,
 
 /* Map the control ID to the correct field in the cx2341x_mpeg_params
    struct. Return -EINVAL if the ID is unknown, else return 0. */
-static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params,
+static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params, int busy,
 		struct v4l2_ext_control *ctrl)
 {
 	switch (ctrl->id) {
 	case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ:
+		if (busy)
+			return -EBUSY;
 		params->audio_sampling_freq = ctrl->value;
 		break;
 	case V4L2_CID_MPEG_AUDIO_ENCODING:
 		params->audio_encoding = ctrl->value;
 		break;
 	case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
+		if (busy)
+			return -EBUSY;
 		params->audio_l2_bitrate = ctrl->value;
 		break;
 	case V4L2_CID_MPEG_AUDIO_MODE:
@@ -245,6 +249,8 @@ static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params,
 		params->video_gop_closure = ctrl->value;
 		break;
 	case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
+		if (busy)
+			return -EBUSY;
 		/* MPEG-1 only allows CBR */
 		if (params->video_encoding == V4L2_MPEG_VIDEO_ENCODING_MPEG_1 &&
 		    ctrl->value != V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
@@ -252,9 +258,13 @@ static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params,
 		params->video_bitrate_mode = ctrl->value;
 		break;
 	case V4L2_CID_MPEG_VIDEO_BITRATE:
+		if (busy)
+			return -EBUSY;
 		params->video_bitrate = ctrl->value;
 		break;
 	case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
+		if (busy)
+			return -EBUSY;
 		params->video_bitrate_peak = ctrl->value;
 		break;
 	case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION:
@@ -267,6 +277,8 @@ static int cx2341x_set_ctrl(struct cx2341x_mpeg_params *params,
 		params->video_mute_yuv = ctrl->value;
 		break;
 	case V4L2_CID_MPEG_STREAM_TYPE:
+		if (busy)
+			return -EBUSY;
 		params->stream_type = ctrl->value;
 		params->video_encoding =
 			(params->stream_type == V4L2_MPEG_STREAM_TYPE_MPEG1_SS ||
@@ -631,7 +643,7 @@ static void cx2341x_calc_audio_properties(struct cx2341x_mpeg_params *params)
 		(params->audio_crc << 14);
 }
 
-int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params,
+int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, int busy,
 		  struct v4l2_ext_controls *ctrls, unsigned int cmd)
 {
 	int err = 0;
@@ -663,7 +675,7 @@ int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params,
 		err = v4l2_ctrl_check(ctrl, &qctrl, menu_items);
 		if (err)
 			break;
-		err = cx2341x_set_ctrl(params, ctrl);
+		err = cx2341x_set_ctrl(params, busy, ctrl);
 		if (err)
 			break;
 	}
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c
index 206af419aea705f9dd92c659cf0fbe8807946261..47007380a98afb8df38d77bc475192650aec54d4 100644
--- a/drivers/media/video/cx88/cx88-blackbird.c
+++ b/drivers/media/video/cx88/cx88-blackbird.c
@@ -876,7 +876,7 @@ static int vidioc_g_ext_ctrls (struct file *file, void *priv,
 
 	if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 		return -EINVAL;
-	return cx2341x_ext_ctrls(&dev->params, f, VIDIOC_G_EXT_CTRLS);
+	return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
 }
 
 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
@@ -889,7 +889,7 @@ static int vidioc_s_ext_ctrls (struct file *file, void *priv,
 	if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 		return -EINVAL;
 	p = dev->params;
-	err = cx2341x_ext_ctrls(&p, f, VIDIOC_S_EXT_CTRLS);
+	err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
 	if (!err) {
 		err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
 		dev->params = p;
@@ -907,7 +907,7 @@ static int vidioc_try_ext_ctrls (struct file *file, void *priv,
 	if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
 		return -EINVAL;
 	p = dev->params;
-	err = cx2341x_ext_ctrls(&p, f, VIDIOC_TRY_EXT_CTRLS);
+	err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
 
 	return err;
 }
diff --git a/drivers/media/video/ivtv/ivtv-controls.c b/drivers/media/video/ivtv/ivtv-controls.c
index 7a876c3e5b19e836b955ccf9948cec413dabe8f9..0005ea46f20890771d250ca96393bdabc4f5b6a6 100644
--- a/drivers/media/video/ivtv/ivtv-controls.c
+++ b/drivers/media/video/ivtv/ivtv-controls.c
@@ -232,7 +232,7 @@ int ivtv_control_ioctls(struct ivtv *itv, unsigned int cmd, void *arg)
 		IVTV_DEBUG_IOCTL("VIDIOC_S_EXT_CTRLS\n");
 		if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
 			struct cx2341x_mpeg_params p = itv->params;
-			int err = cx2341x_ext_ctrls(&p, arg, cmd);
+			int err = cx2341x_ext_ctrls(&p, atomic_read(&itv->capturing), arg, cmd);
 
 			if (err)
 				return err;
@@ -282,7 +282,7 @@ int ivtv_control_ioctls(struct ivtv *itv, unsigned int cmd, void *arg)
 		}
 		IVTV_DEBUG_IOCTL("VIDIOC_G_EXT_CTRLS\n");
 		if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG)
-			return cx2341x_ext_ctrls(&itv->params, arg, cmd);
+			return cx2341x_ext_ctrls(&itv->params, 0, arg, cmd);
 		return -EINVAL;
 	}
 
@@ -292,7 +292,7 @@ int ivtv_control_ioctls(struct ivtv *itv, unsigned int cmd, void *arg)
 
 		IVTV_DEBUG_IOCTL("VIDIOC_TRY_EXT_CTRLS\n");
 		if (c->ctrl_class == V4L2_CTRL_CLASS_MPEG)
-			return cx2341x_ext_ctrls(&itv->params, arg, cmd);
+			return cx2341x_ext_ctrls(&itv->params, atomic_read(&itv->capturing), arg, cmd);
 		return -EINVAL;
 	}
 
diff --git a/drivers/media/video/pvrusb2/pvrusb2-hdw.c b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
index 1311891e7ee3dd0d85acc751c0ad40362271e3c4..2d5be5cfbccfff78d1092431fbdc6d705cef6c9a 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-hdw.c
@@ -492,7 +492,7 @@ static int ctrl_cx2341x_get(struct pvr2_ctrl *cptr,int *vp)
 	cs.controls = &c1;
 	cs.count = 1;
 	c1.id = cptr->info->v4l_id;
-	ret = cx2341x_ext_ctrls(&cptr->hdw->enc_ctl_state,&cs,
+	ret = cx2341x_ext_ctrls(&cptr->hdw->enc_ctl_state, 0, &cs,
 				VIDIOC_G_EXT_CTRLS);
 	if (ret) return ret;
 	*vp = c1.value;
@@ -510,7 +510,7 @@ static int ctrl_cx2341x_set(struct pvr2_ctrl *cptr,int m,int v)
 	cs.count = 1;
 	c1.id = cptr->info->v4l_id;
 	c1.value = v;
-	ret = cx2341x_ext_ctrls(&cptr->hdw->enc_ctl_state,&cs,
+	ret = cx2341x_ext_ctrls(&cptr->hdw->enc_ctl_state, 0, &cs,
 				VIDIOC_S_EXT_CTRLS);
 	if (ret) return ret;
 	cptr->hdw->enc_stale = !0;
@@ -2478,7 +2478,7 @@ static int pvr2_hdw_commit_ctl_internal(struct pvr2_hdw *hdw)
 		cs.count = 1;
 		c1.id = V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ;
 		c1.value = hdw->srate_val;
-		cx2341x_ext_ctrls(&hdw->enc_ctl_state,&cs,VIDIOC_S_EXT_CTRLS);
+		cx2341x_ext_ctrls(&hdw->enc_ctl_state, 0, &cs,VIDIOC_S_EXT_CTRLS);
 	}
 
 	/* Scan i2c core at this point - before we clear all the dirty
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index d2915d3530ead3d53499188504435cc884d643c1..0689a041d777006766d921d5c10b6963020fa38b 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -716,6 +716,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste
 	case V4L2_CID_AUDIO_MUTE:
 	case V4L2_CID_AUDIO_LOUDNESS:
 	case V4L2_CID_MPEG_AUDIO_MUTE:
+	case V4L2_CID_MPEG_VIDEO_MUTE:
 	case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE:
 	case V4L2_CID_MPEG_VIDEO_PULLDOWN:
 		qctrl->type = V4L2_CTRL_TYPE_BOOLEAN;
diff --git a/include/media/cx2341x.h b/include/media/cx2341x.h
index 38c12fed753580573852bf9648b2f2b22ec9d542..af8071d7620d1e3405e342a16b2aba9851aa62cb 100644
--- a/include/media/cx2341x.h
+++ b/include/media/cx2341x.h
@@ -91,7 +91,7 @@ int cx2341x_update(void *priv, cx2341x_mbox_func func,
 int cx2341x_ctrl_query(struct cx2341x_mpeg_params *params,
 		struct v4l2_queryctrl *qctrl);
 const char **cx2341x_ctrl_get_menu(u32 id);
-int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params,
+int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, int busy,
 		struct v4l2_ext_controls *ctrls, unsigned int cmd);
 void cx2341x_fill_defaults(struct cx2341x_mpeg_params *p);
 void cx2341x_log_status(struct cx2341x_mpeg_params *p, const char *prefix);