diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
index 37e0e80cb2cc..1f3ada33cbe6 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
@@ -80,7 +80,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_I420,
 		.depth = 12,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 1,
 		.remove_padding = 1,
 	}, {
@@ -89,7 +89,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_YUYV,
 		.depth = 16,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 2,
 		.remove_padding = 0,
 	}, {
@@ -98,7 +98,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_RGB24,
 		.depth = 24,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 3,
 		.remove_padding = 0,
 	}, {
@@ -107,7 +107,7 @@ static struct mmal_fmt formats[] = {
 		.flags = V4L2_FMT_FLAG_COMPRESSED,
 		.mmal = MMAL_ENCODING_JPEG,
 		.depth = 8,
-		.mmal_component = MMAL_COMPONENT_IMAGE_ENCODE,
+		.mmal_component = COMP_IMAGE_ENCODE,
 		.ybbp = 0,
 		.remove_padding = 0,
 	}, {
@@ -116,7 +116,7 @@ static struct mmal_fmt formats[] = {
 		.flags = V4L2_FMT_FLAG_COMPRESSED,
 		.mmal = MMAL_ENCODING_H264,
 		.depth = 8,
-		.mmal_component = MMAL_COMPONENT_VIDEO_ENCODE,
+		.mmal_component = COMP_VIDEO_ENCODE,
 		.ybbp = 0,
 		.remove_padding = 0,
 	}, {
@@ -125,7 +125,7 @@ static struct mmal_fmt formats[] = {
 		.flags = V4L2_FMT_FLAG_COMPRESSED,
 		.mmal = MMAL_ENCODING_MJPEG,
 		.depth = 8,
-		.mmal_component = MMAL_COMPONENT_VIDEO_ENCODE,
+		.mmal_component = COMP_VIDEO_ENCODE,
 		.ybbp = 0,
 		.remove_padding = 0,
 	}, {
@@ -134,7 +134,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_YVYU,
 		.depth = 16,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 2,
 		.remove_padding = 0,
 	}, {
@@ -143,7 +143,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_VYUY,
 		.depth = 16,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 2,
 		.remove_padding = 0,
 	}, {
@@ -152,7 +152,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_UYVY,
 		.depth = 16,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 2,
 		.remove_padding = 0,
 	}, {
@@ -161,7 +161,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_NV12,
 		.depth = 12,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 1,
 		.remove_padding = 1,
 	}, {
@@ -170,7 +170,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_BGR24,
 		.depth = 24,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 3,
 		.remove_padding = 0,
 	}, {
@@ -179,7 +179,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_YV12,
 		.depth = 12,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 1,
 		.remove_padding = 1,
 	}, {
@@ -188,7 +188,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_NV21,
 		.depth = 12,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 1,
 		.remove_padding = 1,
 	}, {
@@ -197,7 +197,7 @@ static struct mmal_fmt formats[] = {
 		.flags = 0,
 		.mmal = MMAL_ENCODING_BGRA,
 		.depth = 32,
-		.mmal_component = MMAL_COMPONENT_CAMERA,
+		.mmal_component = COMP_CAMERA,
 		.ybbp = 4,
 		.remove_padding = 0,
 	},
@@ -313,7 +313,7 @@ static void buffer_cleanup(struct vb2_buffer *vb)
 static inline bool is_capturing(struct bm2835_mmal_dev *dev)
 {
 	return dev->capture.camera_port ==
-	    &dev->component[MMAL_COMPONENT_CAMERA]->output[MMAL_CAMERA_PORT_CAPTURE];
+	    &dev->component[COMP_CAMERA]->output[CAM_PORT_CAPTURE];
 }
 
 static void buffer_cb(struct vchiq_mmal_instance *instance,
@@ -412,7 +412,7 @@ static int enable_camera(struct bm2835_mmal_dev *dev)
 	if (!dev->camera_use_count) {
 		ret = vchiq_mmal_port_parameter_set(
 			dev->instance,
-			&dev->component[MMAL_COMPONENT_CAMERA]->control,
+			&dev->component[COMP_CAMERA]->control,
 			MMAL_PARAMETER_CAMERA_NUM, &dev->camera_num,
 			sizeof(dev->camera_num));
 		if (ret < 0) {
@@ -423,7 +423,7 @@ static int enable_camera(struct bm2835_mmal_dev *dev)
 
 		ret = vchiq_mmal_component_enable(
 				dev->instance,
-				dev->component[MMAL_COMPONENT_CAMERA]);
+				dev->component[COMP_CAMERA]);
 		if (ret < 0) {
 			v4l2_err(&dev->v4l2_dev,
 				 "Failed enabling camera, ret %d\n", ret);
@@ -455,7 +455,7 @@ static int disable_camera(struct bm2835_mmal_dev *dev)
 		ret =
 		    vchiq_mmal_component_disable(
 				dev->instance,
-				dev->component[MMAL_COMPONENT_CAMERA]);
+				dev->component[COMP_CAMERA]);
 		if (ret < 0) {
 			v4l2_err(&dev->v4l2_dev,
 				 "Failed disabling camera, ret %d\n", ret);
@@ -463,7 +463,7 @@ static int disable_camera(struct bm2835_mmal_dev *dev)
 		}
 		vchiq_mmal_port_parameter_set(
 			dev->instance,
-			&dev->component[MMAL_COMPONENT_CAMERA]->control,
+			&dev->component[COMP_CAMERA]->control,
 			MMAL_PARAMETER_CAMERA_NUM, &i,
 			sizeof(i));
 	}
@@ -515,7 +515,7 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count)
 	/* if the preview is not already running, wait for a few frames for AGC
 	 * to settle down.
 	 */
-	if (!dev->component[MMAL_COMPONENT_PREVIEW]->enabled)
+	if (!dev->component[COMP_PREVIEW]->enabled)
 		msleep(300);
 
 	/* enable the connection from camera to encoder (if applicable) */
@@ -737,9 +737,9 @@ static int vidioc_s_fmt_vid_overlay(struct file *file, void *priv,
 	vidioc_try_fmt_vid_overlay(file, priv, f);
 
 	dev->overlay = f->fmt.win;
-	if (dev->component[MMAL_COMPONENT_PREVIEW]->enabled) {
+	if (dev->component[COMP_PREVIEW]->enabled) {
 		set_overlay_params(dev,
-				   &dev->component[MMAL_COMPONENT_PREVIEW]->input[0]);
+				   &dev->component[COMP_PREVIEW]->input[0]);
 	}
 
 	return 0;
@@ -752,12 +752,12 @@ static int vidioc_overlay(struct file *file, void *f, unsigned int on)
 	struct vchiq_mmal_port *src;
 	struct vchiq_mmal_port *dst;
 
-	if ((on && dev->component[MMAL_COMPONENT_PREVIEW]->enabled) ||
-	    (!on && !dev->component[MMAL_COMPONENT_PREVIEW]->enabled))
+	if ((on && dev->component[COMP_PREVIEW]->enabled) ||
+	    (!on && !dev->component[COMP_PREVIEW]->enabled))
 		return 0;	/* already in requested state */
 
 	src =
-	    &dev->component[MMAL_COMPONENT_CAMERA]->output[MMAL_CAMERA_PORT_PREVIEW];
+	    &dev->component[COMP_CAMERA]->output[CAM_PORT_PREVIEW];
 
 	if (!on) {
 		/* disconnect preview ports and disable component */
@@ -769,14 +769,14 @@ static int vidioc_overlay(struct file *file, void *f, unsigned int on)
 		if (ret >= 0)
 			ret = vchiq_mmal_component_disable(
 					dev->instance,
-					dev->component[MMAL_COMPONENT_PREVIEW]);
+					dev->component[COMP_PREVIEW]);
 
 		disable_camera(dev);
 		return ret;
 	}
 
 	/* set preview port format and connect it to output */
-	dst = &dev->component[MMAL_COMPONENT_PREVIEW]->input[0];
+	dst = &dev->component[COMP_PREVIEW]->input[0];
 
 	ret = vchiq_mmal_port_set_format(dev->instance, src);
 	if (ret < 0)
@@ -791,7 +791,7 @@ static int vidioc_overlay(struct file *file, void *f, unsigned int on)
 
 	ret = vchiq_mmal_component_enable(
 			dev->instance,
-			dev->component[MMAL_COMPONENT_PREVIEW]);
+			dev->component[COMP_PREVIEW]);
 	if (ret < 0)
 		return ret;
 
@@ -812,7 +812,7 @@ static int vidioc_g_fbuf(struct file *file, void *fh,
 	 */
 	struct bm2835_mmal_dev *dev = video_drvdata(file);
 	struct vchiq_mmal_port *preview_port =
-		    &dev->component[MMAL_COMPONENT_CAMERA]->output[MMAL_CAMERA_PORT_PREVIEW];
+		&dev->component[COMP_CAMERA]->output[CAM_PORT_PREVIEW];
 
 	a->capability = V4L2_FBUF_CAP_EXTERNOVERLAY |
 			V4L2_FBUF_CAP_GLOBAL_ALPHA;
@@ -1014,27 +1014,29 @@ static int mmal_setup_components(struct bm2835_mmal_dev *dev,
 	}
 	/* format dependent port setup */
 	switch (mfmt->mmal_component) {
-	case MMAL_COMPONENT_CAMERA:
+	case COMP_CAMERA:
 		/* Make a further decision on port based on resolution */
 		if (f->fmt.pix.width <= max_video_width &&
 		    f->fmt.pix.height <= max_video_height)
 			camera_port = port =
-			    &dev->component[MMAL_COMPONENT_CAMERA]->output[MMAL_CAMERA_PORT_VIDEO];
+			    &dev->component[COMP_CAMERA]->
+			    output[CAM_PORT_VIDEO];
 		else
 			camera_port = port =
-			    &dev->component[MMAL_COMPONENT_CAMERA]->output[MMAL_CAMERA_PORT_CAPTURE];
+			    &dev->component[COMP_CAMERA]->
+			    output[CAM_PORT_CAPTURE];
 		break;
-	case MMAL_COMPONENT_IMAGE_ENCODE:
-		encode_component = dev->component[MMAL_COMPONENT_IMAGE_ENCODE];
-		port = &dev->component[MMAL_COMPONENT_IMAGE_ENCODE]->output[0];
+	case COMP_IMAGE_ENCODE:
+		encode_component = dev->component[COMP_IMAGE_ENCODE];
+		port = &dev->component[COMP_IMAGE_ENCODE]->output[0];
 		camera_port =
-		    &dev->component[MMAL_COMPONENT_CAMERA]->output[MMAL_CAMERA_PORT_CAPTURE];
+		    &dev->component[COMP_CAMERA]->output[CAM_PORT_CAPTURE];
 		break;
-	case MMAL_COMPONENT_VIDEO_ENCODE:
-		encode_component = dev->component[MMAL_COMPONENT_VIDEO_ENCODE];
-		port = &dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->output[0];
+	case COMP_VIDEO_ENCODE:
+		encode_component = dev->component[COMP_VIDEO_ENCODE];
+		port = &dev->component[COMP_VIDEO_ENCODE]->output[0];
 		camera_port =
-		    &dev->component[MMAL_COMPONENT_CAMERA]->output[MMAL_CAMERA_PORT_VIDEO];
+		    &dev->component[COMP_CAMERA]->output[CAM_PORT_VIDEO];
 		break;
 	default:
 		break;
@@ -1074,13 +1076,13 @@ static int mmal_setup_components(struct bm2835_mmal_dev *dev,
 
 	ret = vchiq_mmal_port_set_format(dev->instance, camera_port);
 
-	if (!ret &&
-	    camera_port ==
-	    &dev->component[MMAL_COMPONENT_CAMERA]->output[MMAL_CAMERA_PORT_VIDEO]) {
+	if (!ret
+	    && camera_port ==
+	    &dev->component[COMP_CAMERA]->output[CAM_PORT_VIDEO]) {
 		bool overlay_enabled =
-		    !!dev->component[MMAL_COMPONENT_PREVIEW]->enabled;
+		    !!dev->component[COMP_PREVIEW]->enabled;
 		struct vchiq_mmal_port *preview_port =
-		    &dev->component[MMAL_COMPONENT_CAMERA]->output[MMAL_CAMERA_PORT_PREVIEW];
+		    &dev->component[COMP_CAMERA]->output[CAM_PORT_PREVIEW];
 		/* Preview and encode ports need to match on resolution */
 		if (overlay_enabled) {
 			/* Need to disable the overlay before we can update
@@ -1111,7 +1113,7 @@ static int mmal_setup_components(struct bm2835_mmal_dev *dev,
 			ret = vchiq_mmal_port_connect_tunnel(
 				dev->instance,
 				preview_port,
-				&dev->component[MMAL_COMPONENT_PREVIEW]->input[0]);
+				&dev->component[COMP_PREVIEW]->input[0]);
 			if (!ret)
 				ret = vchiq_mmal_port_enable(dev->instance,
 							     preview_port,
@@ -1165,11 +1167,11 @@ static int mmal_setup_components(struct bm2835_mmal_dev *dev,
 				port->format.encoding_variant = 0;
 				/* Set any encoding specific parameters */
 				switch (mfmt->mmal_component) {
-				case MMAL_COMPONENT_VIDEO_ENCODE:
+				case COMP_VIDEO_ENCODE:
 					port->format.bitrate =
 					    dev->capture.encode_bitrate;
 					break;
-				case MMAL_COMPONENT_IMAGE_ENCODE:
+				case COMP_IMAGE_ENCODE:
 					/* Could set EXIF parameters here */
 					break;
 				default:
@@ -1538,14 +1540,14 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
 
 	/* get the camera component ready */
 	ret = vchiq_mmal_component_init(dev->instance, "ril.camera",
-					&dev->component[MMAL_COMPONENT_CAMERA]);
+					&dev->component[COMP_CAMERA]);
 	if (ret < 0)
 		goto unreg_mmal;
 
-	camera = dev->component[MMAL_COMPONENT_CAMERA];
-	if (camera->outputs < MMAL_CAMERA_PORT_COUNT) {
+	camera = dev->component[COMP_CAMERA];
+	if (camera->outputs < CAM_PORT_COUNT) {
 		v4l2_err(&dev->v4l2_dev, "%s: too few camera outputs %d needed %d\n",
-			 __func__, camera->outputs, MMAL_CAMERA_PORT_COUNT);
+			 __func__, camera->outputs, CAM_PORT_COUNT);
 		ret = -EINVAL;
 		goto unreg_camera;
 	}
@@ -1567,7 +1569,7 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
 	dev->rgb_bgr_swapped = true;
 	param_size = sizeof(supported_encodings);
 	ret = vchiq_mmal_port_parameter_get(dev->instance,
-					    &camera->output[MMAL_CAMERA_PORT_CAPTURE],
+					    &camera->output[CAM_PORT_CAPTURE],
 					    MMAL_PARAMETER_SUPPORTED_ENCODINGS,
 					    &supported_encodings,
 					    &param_size);
@@ -1588,7 +1590,7 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
 			}
 		}
 	}
-	format = &camera->output[MMAL_CAMERA_PORT_PREVIEW].format;
+	format = &camera->output[CAM_PORT_PREVIEW].format;
 
 	format->encoding = MMAL_ENCODING_OPAQUE;
 	format->encoding_variant = MMAL_ENCODING_I420;
@@ -1602,7 +1604,7 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
 	format->es->video.frame_rate.num = 0; /* Rely on fps_range */
 	format->es->video.frame_rate.den = 1;
 
-	format = &camera->output[MMAL_CAMERA_PORT_VIDEO].format;
+	format = &camera->output[CAM_PORT_VIDEO].format;
 
 	format->encoding = MMAL_ENCODING_OPAQUE;
 	format->encoding_variant = MMAL_ENCODING_I420;
@@ -1616,7 +1618,7 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
 	format->es->video.frame_rate.num = 0; /* Rely on fps_range */
 	format->es->video.frame_rate.den = 1;
 
-	format = &camera->output[MMAL_CAMERA_PORT_CAPTURE].format;
+	format = &camera->output[CAM_PORT_CAPTURE].format;
 
 	format->encoding = MMAL_ENCODING_OPAQUE;
 
@@ -1640,49 +1642,49 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
 	/* get the preview component ready */
 	ret = vchiq_mmal_component_init(
 			dev->instance, "ril.video_render",
-			&dev->component[MMAL_COMPONENT_PREVIEW]);
+			&dev->component[COMP_PREVIEW]);
 	if (ret < 0)
 		goto unreg_camera;
 
-	if (dev->component[MMAL_COMPONENT_PREVIEW]->inputs < 1) {
+	if (dev->component[COMP_PREVIEW]->inputs < 1) {
 		ret = -EINVAL;
 		v4l2_err(&dev->v4l2_dev, "%s: too few input ports %d needed %d\n",
-			 __func__, dev->component[MMAL_COMPONENT_PREVIEW]->inputs, 1);
+			 __func__, dev->component[COMP_PREVIEW]->inputs, 1);
 		goto unreg_preview;
 	}
 
 	/* get the image encoder component ready */
 	ret = vchiq_mmal_component_init(
 		dev->instance, "ril.image_encode",
-		&dev->component[MMAL_COMPONENT_IMAGE_ENCODE]);
+		&dev->component[COMP_IMAGE_ENCODE]);
 	if (ret < 0)
 		goto unreg_preview;
 
-	if (dev->component[MMAL_COMPONENT_IMAGE_ENCODE]->inputs < 1) {
+	if (dev->component[COMP_IMAGE_ENCODE]->inputs < 1) {
 		ret = -EINVAL;
 		v4l2_err(&dev->v4l2_dev, "%s: too few input ports %d needed %d\n",
-			 __func__, dev->component[MMAL_COMPONENT_IMAGE_ENCODE]->inputs,
+			 __func__, dev->component[COMP_IMAGE_ENCODE]->inputs,
 			 1);
 		goto unreg_image_encoder;
 	}
 
 	/* get the video encoder component ready */
 	ret = vchiq_mmal_component_init(dev->instance, "ril.video_encode",
-					&dev->component[MMAL_COMPONENT_VIDEO_ENCODE]);
+					&dev->component[COMP_VIDEO_ENCODE]);
 	if (ret < 0)
 		goto unreg_image_encoder;
 
-	if (dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->inputs < 1) {
+	if (dev->component[COMP_VIDEO_ENCODE]->inputs < 1) {
 		ret = -EINVAL;
 		v4l2_err(&dev->v4l2_dev, "%s: too few input ports %d needed %d\n",
-			 __func__, dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->inputs,
+			 __func__, dev->component[COMP_VIDEO_ENCODE]->inputs,
 			 1);
 		goto unreg_vid_encoder;
 	}
 
 	{
 		struct vchiq_mmal_port *encoder_port =
-			&dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->output[0];
+			&dev->component[COMP_VIDEO_ENCODE]->output[0];
 		encoder_port->format.encoding = MMAL_ENCODING_H264;
 		ret = vchiq_mmal_port_set_format(dev->instance,
 						 encoder_port);
@@ -1693,12 +1695,12 @@ static int mmal_init(struct bm2835_mmal_dev *dev)
 
 		vchiq_mmal_port_parameter_set(
 			dev->instance,
-			&dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->control,
+			&dev->component[COMP_VIDEO_ENCODE]->control,
 			MMAL_PARAMETER_VIDEO_IMMUTABLE_INPUT,
 			&enable, sizeof(enable));
 
 		vchiq_mmal_port_parameter_set(dev->instance,
-					      &dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->control,
+					      &dev->component[COMP_VIDEO_ENCODE]->control,
 					      MMAL_PARAMETER_MINIMISE_FRAGMENTATION,
 					      &enable,
 					      sizeof(enable));
@@ -1716,23 +1718,23 @@ unreg_vid_encoder:
 	pr_err("Cleanup: Destroy video encoder\n");
 	vchiq_mmal_component_finalise(
 		dev->instance,
-		dev->component[MMAL_COMPONENT_VIDEO_ENCODE]);
+		dev->component[COMP_VIDEO_ENCODE]);
 
 unreg_image_encoder:
 	pr_err("Cleanup: Destroy image encoder\n");
 	vchiq_mmal_component_finalise(
 		dev->instance,
-		dev->component[MMAL_COMPONENT_IMAGE_ENCODE]);
+		dev->component[COMP_IMAGE_ENCODE]);
 
 unreg_preview:
 	pr_err("Cleanup: Destroy video render\n");
 	vchiq_mmal_component_finalise(dev->instance,
-				      dev->component[MMAL_COMPONENT_PREVIEW]);
+				      dev->component[COMP_PREVIEW]);
 
 unreg_camera:
 	pr_err("Cleanup: Destroy camera\n");
 	vchiq_mmal_component_finalise(dev->instance,
-				      dev->component[MMAL_COMPONENT_CAMERA]);
+				      dev->component[COMP_CAMERA]);
 
 unreg_mmal:
 	vchiq_mmal_finalise(dev->instance);
@@ -1788,19 +1790,19 @@ static void bcm2835_cleanup_instance(struct bm2835_mmal_dev *dev)
 					     dev->capture.encode_component);
 	}
 	vchiq_mmal_component_disable(dev->instance,
-				     dev->component[MMAL_COMPONENT_CAMERA]);
+				     dev->component[COMP_CAMERA]);
 
 	vchiq_mmal_component_finalise(dev->instance,
-				      dev->component[MMAL_COMPONENT_VIDEO_ENCODE]);
+				      dev->component[COMP_VIDEO_ENCODE]);
 
 	vchiq_mmal_component_finalise(dev->instance,
-				      dev->component[MMAL_COMPONENT_IMAGE_ENCODE]);
+				      dev->component[COMP_IMAGE_ENCODE]);
 
 	vchiq_mmal_component_finalise(dev->instance,
-				      dev->component[MMAL_COMPONENT_PREVIEW]);
+				      dev->component[COMP_PREVIEW]);
 
 	vchiq_mmal_component_finalise(dev->instance,
-				      dev->component[MMAL_COMPONENT_CAMERA]);
+				      dev->component[COMP_CAMERA]);
 
 	v4l2_ctrl_handler_free(&dev->ctrl_handler);
 
diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h
index 9adbe93bb89b..9bd262dec589 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.h
@@ -16,18 +16,18 @@
 #define V4L2_CTRL_COUNT 29 /* number of v4l controls */
 
 enum {
-	MMAL_COMPONENT_CAMERA = 0,
-	MMAL_COMPONENT_PREVIEW,
-	MMAL_COMPONENT_IMAGE_ENCODE,
-	MMAL_COMPONENT_VIDEO_ENCODE,
-	MMAL_COMPONENT_COUNT
+	COMP_CAMERA = 0,
+	COMP_PREVIEW,
+	COMP_IMAGE_ENCODE,
+	COMP_VIDEO_ENCODE,
+	COMP_COUNT
 };
 
 enum {
-	MMAL_CAMERA_PORT_PREVIEW = 0,
-	MMAL_CAMERA_PORT_VIDEO,
-	MMAL_CAMERA_PORT_CAPTURE,
-	MMAL_CAMERA_PORT_COUNT
+	CAM_PORT_PREVIEW = 0,
+	CAM_PORT_VIDEO,
+	CAM_PORT_CAPTURE,
+	CAM_PORT_COUNT
 };
 
 #define PREVIEW_LAYER      2
@@ -61,7 +61,7 @@ struct bm2835_mmal_dev {
 
 	/* allocated mmal instance and components */
 	struct vchiq_mmal_instance   *instance;
-	struct vchiq_mmal_component  *component[MMAL_COMPONENT_COUNT];
+	struct vchiq_mmal_component  *component[COMP_COUNT];
 	int camera_use_count;
 
 	struct v4l2_window overlay;
diff --git a/drivers/staging/vc04_services/bcm2835-camera/controls.c b/drivers/staging/vc04_services/bcm2835-camera/controls.c
index e79e7cd6fe86..b3d702962059 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/controls.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/controls.c
@@ -177,7 +177,7 @@ static int ctrl_set_rational(struct bm2835_mmal_dev *dev,
 	struct mmal_parameter_rational rational_value;
 	struct vchiq_mmal_port *control;
 
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	rational_value.num = ctrl->val;
 	rational_value.den = 100;
@@ -195,7 +195,7 @@ static int ctrl_set_value(struct bm2835_mmal_dev *dev,
 	u32 u32_value;
 	struct vchiq_mmal_port *control;
 
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	u32_value = ctrl->val;
 
@@ -220,7 +220,7 @@ static int ctrl_set_iso(struct bm2835_mmal_dev *dev,
 		dev->manual_iso_enabled =
 				(ctrl->val == V4L2_ISO_SENSITIVITY_MANUAL);
 
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	if (dev->manual_iso_enabled)
 		u32_value = dev->iso;
@@ -239,7 +239,7 @@ static int ctrl_set_value_ev(struct bm2835_mmal_dev *dev,
 	s32 s32_value;
 	struct vchiq_mmal_port *control;
 
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	s32_value = (ctrl->val - 12) * 2;	/* Convert from index to 1/6ths */
 
@@ -256,7 +256,7 @@ static int ctrl_set_rotate(struct bm2835_mmal_dev *dev,
 	u32 u32_value;
 	struct vchiq_mmal_component *camera;
 
-	camera = dev->component[MMAL_COMPONENT_CAMERA];
+	camera = dev->component[COMP_CAMERA];
 
 	u32_value = ((ctrl->val % 360) / 90) * 90;
 
@@ -290,7 +290,7 @@ static int ctrl_set_flip(struct bm2835_mmal_dev *dev,
 	else
 		dev->vflip = ctrl->val;
 
-	camera = dev->component[MMAL_COMPONENT_CAMERA];
+	camera = dev->component[COMP_CAMERA];
 
 	if (dev->hflip && dev->vflip)
 		u32_value = MMAL_PARAM_MIRROR_BOTH;
@@ -327,7 +327,7 @@ static int ctrl_set_exposure(struct bm2835_mmal_dev *dev,
 	struct vchiq_mmal_port *control;
 	int ret = 0;
 
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	if (mmal_ctrl->mmal_id == MMAL_PARAMETER_SHUTTER_SPEED)	{
 		/* V4L2 is in 100usec increments.
@@ -402,7 +402,7 @@ static int ctrl_set_metering_mode(struct bm2835_mmal_dev *dev,
 		struct vchiq_mmal_port *control;
 		u32 u32_value = dev->metering_mode;
 
-		control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+		control = &dev->component[COMP_CAMERA]->control;
 
 		return vchiq_mmal_port_parameter_set(dev->instance, control,
 					     mmal_ctrl->mmal_id,
@@ -418,7 +418,7 @@ static int ctrl_set_flicker_avoidance(struct bm2835_mmal_dev *dev,
 	u32 u32_value;
 	struct vchiq_mmal_port *control;
 
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	switch (ctrl->val) {
 	case V4L2_CID_POWER_LINE_FREQUENCY_DISABLED:
@@ -447,7 +447,7 @@ static int ctrl_set_awb_mode(struct bm2835_mmal_dev *dev,
 	u32 u32_value;
 	struct vchiq_mmal_port *control;
 
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	switch (ctrl->val) {
 	case V4L2_WHITE_BALANCE_MANUAL:
@@ -503,7 +503,7 @@ static int ctrl_set_awb_gains(struct bm2835_mmal_dev *dev,
 	struct vchiq_mmal_port *control;
 	struct mmal_parameter_awbgains gains;
 
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	if (ctrl->id == V4L2_CID_RED_BALANCE)
 		dev->red_gain = ctrl->val;
@@ -551,7 +551,7 @@ static int ctrl_set_image_effect(struct bm2835_mmal_dev *dev,
 					v4l2_to_mmal_effects_values[i].v;
 			}
 
-			control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+			control = &dev->component[COMP_CAMERA]->control;
 
 			ret = vchiq_mmal_port_parameter_set(
 					dev->instance, control,
@@ -584,7 +584,7 @@ static int ctrl_set_colfx(struct bm2835_mmal_dev *dev,
 	int ret;
 	struct vchiq_mmal_port *control;
 
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	dev->colourfx.enable = (ctrl->val & 0xff00) >> 8;
 	dev->colourfx.enable = ctrl->val & 0xff;
@@ -610,7 +610,7 @@ static int ctrl_set_bitrate(struct bm2835_mmal_dev *dev,
 
 	dev->capture.encode_bitrate = ctrl->val;
 
-	encoder_out = &dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->output[0];
+	encoder_out = &dev->component[COMP_VIDEO_ENCODE]->output[0];
 
 	ret = vchiq_mmal_port_parameter_set(dev->instance, encoder_out,
 					    mmal_ctrl->mmal_id, &ctrl->val,
@@ -636,7 +636,7 @@ static int ctrl_set_bitrate_mode(struct bm2835_mmal_dev *dev,
 	u32 bitrate_mode;
 	struct vchiq_mmal_port *encoder_out;
 
-	encoder_out = &dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->output[0];
+	encoder_out = &dev->component[COMP_VIDEO_ENCODE]->output[0];
 
 	dev->capture.encode_bitrate_mode = ctrl->val;
 	switch (ctrl->val) {
@@ -663,7 +663,7 @@ static int ctrl_set_image_encode_output(struct bm2835_mmal_dev *dev,
 	u32 u32_value;
 	struct vchiq_mmal_port *jpeg_out;
 
-	jpeg_out = &dev->component[MMAL_COMPONENT_IMAGE_ENCODE]->output[0];
+	jpeg_out = &dev->component[COMP_IMAGE_ENCODE]->output[0];
 
 	u32_value = ctrl->val;
 
@@ -679,7 +679,7 @@ static int ctrl_set_video_encode_param_output(struct bm2835_mmal_dev *dev,
 	u32 u32_value;
 	struct vchiq_mmal_port *vid_enc_ctl;
 
-	vid_enc_ctl = &dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->output[0];
+	vid_enc_ctl = &dev->component[COMP_VIDEO_ENCODE]->output[0];
 
 	u32_value = ctrl->val;
 
@@ -792,7 +792,7 @@ static int ctrl_set_video_encode_profile_level(struct bm2835_mmal_dev *dev,
 		}
 
 		ret = vchiq_mmal_port_parameter_set(dev->instance,
-						    &dev->component[MMAL_COMPONENT_VIDEO_ENCODE]->output[0],
+						    &dev->component[COMP_VIDEO_ENCODE]->output[0],
 			mmal_ctrl->mmal_id,
 			&param, sizeof(param));
 	}
@@ -810,7 +810,7 @@ static int ctrl_set_scene_mode(struct bm2835_mmal_dev *dev,
 	v4l2_dbg(0, bcm2835_v4l2_debug, &dev->v4l2_dev,
 		 "scene mode selected %d, was %d\n", ctrl->val,
 		 dev->scene_mode);
-	control = &dev->component[MMAL_COMPONENT_CAMERA]->control;
+	control = &dev->component[COMP_CAMERA]->control;
 
 	if (ctrl->val == dev->scene_mode)
 		return 0;
@@ -1228,18 +1228,15 @@ int set_framerate_params(struct bm2835_mmal_dev *dev)
 		 fps_range.fps_high.den);
 
 	ret = vchiq_mmal_port_parameter_set(dev->instance,
-					    &dev->component[MMAL_COMPONENT_CAMERA]->
-					    output[MMAL_CAMERA_PORT_PREVIEW],
+					    &dev->component[COMP_CAMERA]->output[CAM_PORT_PREVIEW],
 					    MMAL_PARAMETER_FPS_RANGE,
 					    &fps_range, sizeof(fps_range));
 	ret += vchiq_mmal_port_parameter_set(dev->instance,
-					     &dev->component[MMAL_COMPONENT_CAMERA]->
-					     output[MMAL_CAMERA_PORT_VIDEO],
+					     &dev->component[COMP_CAMERA]->output[CAM_PORT_VIDEO],
 					     MMAL_PARAMETER_FPS_RANGE,
 					     &fps_range, sizeof(fps_range));
 	ret += vchiq_mmal_port_parameter_set(dev->instance,
-					     &dev->component[MMAL_COMPONENT_CAMERA]->
-					     output[MMAL_CAMERA_PORT_CAPTURE],
+					     &dev->component[COMP_CAMERA]->output[CAM_PORT_CAPTURE],
 					     MMAL_PARAMETER_FPS_RANGE,
 					     &fps_range, sizeof(fps_range));
 	if (ret)