Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier

Conflicts:
	block/blk-core.c
	drivers/block/loop.c
	mm/swapfile.c

Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

19 files changed, 120 insertions, 83 deletions

diff --git a/drivers/media/video/cx231xx/Makefile b/drivers/media/video/cx231xx/Makefile
index 755dd0ce65ff..6f2b57384488 100644
--- a/drivers/media/video/cx231xx/Makefile
+++ b/drivers/media/video/cx231xx/Makefile
@@ -11,4 +11,5 @@ EXTRA_CFLAGS += -Idrivers/media/video
 EXTRA_CFLAGS += -Idrivers/media/common/tuners
 EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core
 EXTRA_CFLAGS += -Idrivers/media/dvb/frontends
+EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-usb
 
diff --git a/drivers/media/video/cx231xx/cx231xx-cards.c b/drivers/media/video/cx231xx/cx231xx-cards.c
index 6bdc0ef18119..f2a4900014bc 100644
--- a/drivers/media/video/cx231xx/cx231xx-cards.c
+++ b/drivers/media/video/cx231xx/cx231xx-cards.c
@@ -32,6 +32,7 @@
 #include <media/v4l2-chip-ident.h>
 
 #include <media/cx25840.h>
+#include "dvb-usb-ids.h"
 #include "xc5000.h"
 
 #include "cx231xx.h"
@@ -175,6 +176,8 @@ struct usb_device_id cx231xx_id_table[] = {
 	 .driver_info = CX231XX_BOARD_CNXT_RDE_250},
 	{USB_DEVICE(0x0572, 0x58A1),
 	 .driver_info = CX231XX_BOARD_CNXT_RDU_250},
+	{USB_DEVICE_VER(USB_VID_PIXELVIEW, USB_PID_PIXELVIEW_SBTVD, 0x4000,0x4fff),
+	 .driver_info = CX231XX_BOARD_UNKNOWN},
 	{},
 };
 
@@ -226,14 +229,16 @@ void cx231xx_pre_card_setup(struct cx231xx *dev)
 		     dev->board.name, dev->model);
 
 	/* set the direction for GPIO pins */
-	cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
-	cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
-	cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
+	if (dev->board.tuner_gpio) {
+		cx231xx_set_gpio_direction(dev, dev->board.tuner_gpio->bit, 1);
+		cx231xx_set_gpio_value(dev, dev->board.tuner_gpio->bit, 1);
+		cx231xx_set_gpio_direction(dev, dev->board.tuner_sif_gpio, 1);
 
-	/* request some modules if any required */
+		/* request some modules if any required */
 
-	/* reset the Tuner */
-	cx231xx_gpio_set(dev, dev->board.tuner_gpio);
+		/* reset the Tuner */
+		cx231xx_gpio_set(dev, dev->board.tuner_gpio);
+	}
 
 	/* set the mode to Analog mode initially */
 	cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
index 86ca8c2359dd..f5a3e74c3c7c 100644
--- a/drivers/media/video/cx25840/cx25840-core.c
+++ b/drivers/media/video/cx25840/cx25840-core.c
@@ -1996,7 +1996,7 @@ static int cx25840_probe(struct i2c_client *client,
 
 		state->volume = v4l2_ctrl_new_std(&state->hdl,
 			&cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME,
-			0, 65335, 65535 / 100, default_volume);
+			0, 65535, 65535 / 100, default_volume);
 		state->mute = v4l2_ctrl_new_std(&state->hdl,
 			&cx25840_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE,
 			0, 1, 1, 0);
diff --git a/drivers/media/video/cx88/Kconfig b/drivers/media/video/cx88/Kconfig
index 99dbae117591..0fa85cbefbb1 100644
--- a/drivers/media/video/cx88/Kconfig
+++ b/drivers/media/video/cx88/Kconfig
@@ -17,7 +17,7 @@ config VIDEO_CX88
 
 config VIDEO_CX88_ALSA
 	tristate "Conexant 2388x DMA audio support"
-	depends on VIDEO_CX88 && SND && EXPERIMENTAL
+	depends on VIDEO_CX88 && SND
 	select SND_PCM
 	---help---
 	  This is a video4linux driver for direct (DMA) audio on
diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index b9846106913e..78abc1c1f9d5 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -223,6 +223,7 @@ static int alloc_and_submit_int_urb(struct gspca_dev *gspca_dev,
 		usb_rcvintpipe(dev, ep->bEndpointAddress),
 		buffer, buffer_len,
 		int_irq, (void *)gspca_dev, interval);
+	urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 	gspca_dev->int_urb = urb;
 	ret = usb_submit_urb(urb, GFP_KERNEL);
 	if (ret < 0) {
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 83a718f0f3f9..9052d5702556 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -2357,8 +2357,7 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 			    (data[33] << 10);
 		avg_lum >>= 9;
 		atomic_set(&sd->avg_lum, avg_lum);
-		gspca_frame_add(gspca_dev, LAST_PACKET,
-				data, len);
+		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
 		return;
 	}
 	if (gspca_dev->last_packet_type == LAST_PACKET) {
diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c
index be03a712731c..f0316d02f09f 100644
--- a/drivers/media/video/ivtv/ivtvfb.c
+++ b/drivers/media/video/ivtv/ivtvfb.c
@@ -466,6 +466,8 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
 			struct fb_vblank vblank;
 			u32 trace;
 
+			memset(&vblank, 0, sizeof(struct fb_vblank));
+
 			vblank.flags = FB_VBLANK_HAVE_COUNT |FB_VBLANK_HAVE_VCOUNT |
 					FB_VBLANK_HAVE_VSYNC;
 			trace = read_reg(IVTV_REG_DEC_LINE_FIELD) >> 16;
diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c
index 4525335f9bd4..a7210d981388 100644
--- a/drivers/media/video/mem2mem_testdev.c
+++ b/drivers/media/video/mem2mem_testdev.c
@@ -239,7 +239,7 @@ static int device_process(struct m2mtest_ctx *ctx,
 		return -EFAULT;
 	}
 
-	if (in_buf->vb.size < out_buf->vb.size) {
+	if (in_buf->vb.size > out_buf->vb.size) {
 		v4l2_err(&dev->v4l2_dev, "Output buffer is too small\n");
 		return -EINVAL;
 	}
@@ -1014,6 +1014,7 @@ static int m2mtest_remove(struct platform_device *pdev)
 	v4l2_m2m_release(dev->m2m_dev);
 	del_timer_sync(&dev->timer);
 	video_unregister_device(dev->vfd);
+	video_device_release(dev->vfd);
 	v4l2_device_unregister(&dev->v4l2_dev);
 	kfree(dev);
 
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index 758a4db27d65..c71af4e0e517 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -447,6 +447,9 @@ static int mt9m111_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 	dev_dbg(&client->dev, "%s left=%d, top=%d, width=%d, height=%d\n",
 		__func__, rect.left, rect.top, rect.width, rect.height);
 
+	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
 	ret = mt9m111_make_rect(client, &rect);
 	if (!ret)
 		mt9m111->rect = rect;
@@ -466,12 +469,14 @@ static int mt9m111_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
 
 static int mt9m111_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
 {
+	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+		return -EINVAL;
+
 	a->bounds.left			= MT9M111_MIN_DARK_COLS;
 	a->bounds.top			= MT9M111_MIN_DARK_ROWS;
 	a->bounds.width			= MT9M111_MAX_WIDTH;
 	a->bounds.height		= MT9M111_MAX_HEIGHT;
 	a->defrect			= a->bounds;
-	a->type				= V4L2_BUF_TYPE_VIDEO_CAPTURE;
 	a->pixelaspect.numerator	= 1;
 	a->pixelaspect.denominator	= 1;
 
@@ -487,6 +492,7 @@ static int mt9m111_g_fmt(struct v4l2_subdev *sd,
 	mf->width	= mt9m111->rect.width;
 	mf->height	= mt9m111->rect.height;
 	mf->code	= mt9m111->fmt->code;
+	mf->colorspace	= mt9m111->fmt->colorspace;
 	mf->field	= V4L2_FIELD_NONE;
 
 	return 0;
diff --git a/drivers/media/video/mt9v022.c b/drivers/media/video/mt9v022.c
index e7cd23cd6394..b48473c7896b 100644
--- a/drivers/media/video/mt9v022.c
+++ b/drivers/media/video/mt9v022.c
@@ -402,9 +402,6 @@ static int mt9v022_s_fmt(struct v4l2_subdev *sd,
 		if (mt9v022->model != V4L2_IDENT_MT9V022IX7ATC)
 			return -EINVAL;
 		break;
-	case 0:
-		/* No format change, only geometry */
-		break;
 	default:
 		return -EINVAL;
 	}
diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c
index 66ff174151b5..b6ea67221d1d 100644
--- a/drivers/media/video/mx2_camera.c
+++ b/drivers/media/video/mx2_camera.c
@@ -378,6 +378,9 @@ static void mx25_camera_frame_done(struct mx2_camera_dev *pcdev, int fb,
 
 	spin_lock_irqsave(&pcdev->lock, flags);
 
+	if (*fb_active == NULL)
+		goto out;
+
 	vb = &(*fb_active)->vb;
 	dev_dbg(pcdev->dev, "%s (vb=0x%p) 0x%08lx %d\n", __func__,
 		vb, vb->baddr, vb->bsize);
@@ -402,6 +405,7 @@ static void mx25_camera_frame_done(struct mx2_camera_dev *pcdev, int fb,
 
 	*fb_active = buf;
 
+out:
 	spin_unlock_irqrestore(&pcdev->lock, flags);
 }
 
diff --git a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
index 1b992b847198..55ea914c7fcd 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-ctrl.c
@@ -513,7 +513,7 @@ int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *cptr,
 			if (ret >= 0) {
 				ret = pvr2_ctrl_range_check(cptr,*valptr);
 			}
-			if (maskptr) *maskptr = ~0;
+			*maskptr = ~0;
 		} else if (cptr->info->type == pvr2_ctl_bool) {
 			ret = parse_token(ptr,len,valptr,boolNames,
 					  ARRAY_SIZE(boolNames));
@@ -522,7 +522,7 @@ int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *cptr,
 			} else if (ret == 0) {
 				*valptr = (*valptr & 1) ? !0 : 0;
 			}
-			if (maskptr) *maskptr = 1;
+			*maskptr = 1;
 		} else if (cptr->info->type == pvr2_ctl_enum) {
 			ret = parse_token(
 				ptr,len,valptr,
@@ -531,7 +531,7 @@ int pvr2_ctrl_sym_to_value(struct pvr2_ctrl *cptr,
 			if (ret >= 0) {
 				ret = pvr2_ctrl_range_check(cptr,*valptr);
 			}
-			if (maskptr) *maskptr = ~0;
+			*maskptr = ~0;
 		} else if (cptr->info->type == pvr2_ctl_bitmask) {
 			ret = parse_tlist(
 				ptr,len,maskptr,valptr,
diff --git a/drivers/media/video/s5p-fimc/fimc-core.c b/drivers/media/video/s5p-fimc/fimc-core.c
index b151c7be8a50..6961c55baf9b 100644
--- a/drivers/media/video/s5p-fimc/fimc-core.c
+++ b/drivers/media/video/s5p-fimc/fimc-core.c
@@ -393,6 +393,37 @@ static void fimc_set_yuv_order(struct fimc_ctx *ctx)
 	dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
 }
 
+static void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
+{
+	struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
+
+	f->dma_offset.y_h = f->offs_h;
+	if (!variant->pix_hoff)
+		f->dma_offset.y_h *= (f->fmt->depth >> 3);
+
+	f->dma_offset.y_v = f->offs_v;
+
+	f->dma_offset.cb_h = f->offs_h;
+	f->dma_offset.cb_v = f->offs_v;
+
+	f->dma_offset.cr_h = f->offs_h;
+	f->dma_offset.cr_v = f->offs_v;
+
+	if (!variant->pix_hoff) {
+		if (f->fmt->planes_cnt == 3) {
+			f->dma_offset.cb_h >>= 1;
+			f->dma_offset.cr_h >>= 1;
+		}
+		if (f->fmt->color == S5P_FIMC_YCBCR420) {
+			f->dma_offset.cb_v >>= 1;
+			f->dma_offset.cr_v >>= 1;
+		}
+	}
+
+	dbg("in_offset: color= %d, y_h= %d, y_v= %d",
+	    f->fmt->color, f->dma_offset.y_h, f->dma_offset.y_v);
+}
+
 /**
  * fimc_prepare_config - check dimensions, operation and color mode
  *			 and pre-calculate offset and the scaling coefficients.
@@ -406,7 +437,6 @@ static int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags)
 {
 	struct fimc_frame *s_frame, *d_frame;
 	struct fimc_vid_buffer *buf = NULL;
-	struct samsung_fimc_variant *variant = ctx->fimc_dev->variant;
 	int ret = 0;
 
 	s_frame = &ctx->s_frame;
@@ -419,61 +449,16 @@ static int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags)
 			swap(d_frame->width, d_frame->height);
 		}
 
-		/* Prepare the output offset ratios for scaler. */
-		d_frame->dma_offset.y_h = d_frame->offs_h;
-		if (!variant->pix_hoff)
-			d_frame->dma_offset.y_h *= (d_frame->fmt->depth >> 3);
-
-		d_frame->dma_offset.y_v = d_frame->offs_v;
-
-		d_frame->dma_offset.cb_h = d_frame->offs_h;
-		d_frame->dma_offset.cb_v = d_frame->offs_v;
-
-		d_frame->dma_offset.cr_h = d_frame->offs_h;
-		d_frame->dma_offset.cr_v = d_frame->offs_v;
+		/* Prepare the DMA offset ratios for scaler. */
+		fimc_prepare_dma_offset(ctx, &ctx->s_frame);
+		fimc_prepare_dma_offset(ctx, &ctx->d_frame);
 
-		if (!variant->pix_hoff && d_frame->fmt->planes_cnt == 3) {
-			d_frame->dma_offset.cb_h >>= 1;
-			d_frame->dma_offset.cb_v >>= 1;
-			d_frame->dma_offset.cr_h >>= 1;
-			d_frame->dma_offset.cr_v >>= 1;
-		}
-
-		dbg("out offset: color= %d, y_h= %d, y_v= %d",
-			d_frame->fmt->color,
-			d_frame->dma_offset.y_h, d_frame->dma_offset.y_v);
-
-		/* Prepare the input offset ratios for scaler. */
-		s_frame->dma_offset.y_h = s_frame->offs_h;
-		if (!variant->pix_hoff)
-			s_frame->dma_offset.y_h *= (s_frame->fmt->depth >> 3);
-		s_frame->dma_offset.y_v = s_frame->offs_v;
-
-		s_frame->dma_offset.cb_h = s_frame->offs_h;
-		s_frame->dma_offset.cb_v = s_frame->offs_v;
-
-		s_frame->dma_offset.cr_h = s_frame->offs_h;
-		s_frame->dma_offset.cr_v = s_frame->offs_v;
-
-		if (!variant->pix_hoff && s_frame->fmt->planes_cnt == 3) {
-			s_frame->dma_offset.cb_h >>= 1;
-			s_frame->dma_offset.cb_v >>= 1;
-			s_frame->dma_offset.cr_h >>= 1;
-			s_frame->dma_offset.cr_v >>= 1;
-		}
-
-		dbg("in offset: color= %d, y_h= %d, y_v= %d",
-			s_frame->fmt->color, s_frame->dma_offset.y_h,
-			s_frame->dma_offset.y_v);
-
-		fimc_set_yuv_order(ctx);
-
-		/* Check against the scaler ratio. */
 		if (s_frame->height > (SCALER_MAX_VRATIO * d_frame->height) ||
 		    s_frame->width > (SCALER_MAX_HRATIO * d_frame->width)) {
 			err("out of scaler range");
 			return -EINVAL;
 		}
+		fimc_set_yuv_order(ctx);
 	}
 
 	/* Input DMA mode is not allowed when the scaler is disabled. */
@@ -822,7 +807,8 @@ static int fimc_m2m_s_fmt(struct file *file, void *priv, struct v4l2_format *f)
 	} else {
 		v4l2_err(&ctx->fimc_dev->m2m.v4l2_dev,
 			 "Wrong buffer/video queue type (%d)\n", f->type);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto s_fmt_out;
 	}
 
 	pix = &f->fmt.pix;
@@ -1414,8 +1400,10 @@ static int fimc_probe(struct platform_device *pdev)
 	}
 
 	fimc->work_queue = create_workqueue(dev_name(&fimc->pdev->dev));
-	if (!fimc->work_queue)
+	if (!fimc->work_queue) {
+		ret = -ENOMEM;
 		goto err_irq;
+	}
 
 	ret = fimc_register_m2m_device(fimc);
 	if (ret)
@@ -1492,6 +1480,7 @@ static struct samsung_fimc_variant fimc2_variant_s5p = {
 };
 
 static struct samsung_fimc_variant fimc01_variant_s5pv210 = {
+	.pix_hoff	= 1,
 	.has_inp_rot	= 1,
 	.has_out_rot	= 1,
 	.min_inp_pixsize = 16,
@@ -1506,6 +1495,7 @@ static struct samsung_fimc_variant fimc01_variant_s5pv210 = {
 };
 
 static struct samsung_fimc_variant fimc2_variant_s5pv210 = {
+	.pix_hoff	 = 1,
 	.min_inp_pixsize = 16,
 	.min_out_pixsize = 32,
 
diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c
index ec697fcd406e..bb8d83d8ddaf 100644
--- a/drivers/media/video/saa7134/saa7134-cards.c
+++ b/drivers/media/video/saa7134/saa7134-cards.c
@@ -4323,13 +4323,13 @@ struct saa7134_board saa7134_boards[] = {
 	},
 	[SAA7134_BOARD_BEHOLD_COLUMBUS_TVFM] = {
 		/*       Beholder Intl. Ltd. 2008      */
-		/*Dmitry Belimov <d.belimov@gmail.com> */
-		.name           = "Beholder BeholdTV Columbus TVFM",
+		/* Dmitry Belimov <d.belimov@gmail.com> */
+		.name           = "Beholder BeholdTV Columbus TV/FM",
 		.audio_clock    = 0x00187de7,
 		.tuner_type     = TUNER_ALPS_TSBE5_PAL,
-		.radio_type     = UNSET,
-		.tuner_addr     = ADDR_UNSET,
-		.radio_addr     = ADDR_UNSET,
+		.radio_type     = TUNER_TEA5767,
+		.tuner_addr     = 0xc2 >> 1,
+		.radio_addr     = 0xc0 >> 1,
 		.tda9887_conf   = TDA9887_PRESENT,
 		.gpiomask       = 0x000A8004,
 		.inputs         = {{
diff --git a/drivers/media/video/saa7164/saa7164-buffer.c b/drivers/media/video/saa7164/saa7164-buffer.c
index 5713f3a4b76c..ddd25d32723d 100644
--- a/drivers/media/video/saa7164/saa7164-buffer.c
+++ b/drivers/media/video/saa7164/saa7164-buffer.c
@@ -136,10 +136,11 @@ ret:
 int saa7164_buffer_dealloc(struct saa7164_tsport *port,
 	struct saa7164_buffer *buf)
 {
-	struct saa7164_dev *dev = port->dev;
+	struct saa7164_dev *dev;
 
-	if ((buf == 0) || (port == 0))
+	if (!buf || !port)
 		return SAA_ERR_BAD_PARAMETER;
+	dev = port->dev;
 
 	dprintk(DBGLVL_BUF, "%s() deallocating buffer @ 0x%p\n", __func__, buf);
 
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 8bdd940f32e6..2ac85d8984f0 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -486,6 +486,12 @@ static int uvc_parse_format(struct uvc_device *dev,
 			    max(frame->dwFrameInterval[0],
 				frame->dwDefaultFrameInterval));
 
+		if (dev->quirks & UVC_QUIRK_RESTRICT_FRAME_RATE) {
+			frame->bFrameIntervalType = 1;
+			frame->dwFrameInterval[0] =
+				frame->dwDefaultFrameInterval;
+		}
+
 		uvc_trace(UVC_TRACE_DESCR, "- %ux%u (%u.%u fps)\n",
 			frame->wWidth, frame->wHeight,
 			10000000/frame->dwDefaultFrameInterval,
@@ -2026,6 +2032,15 @@ static struct usb_device_id uvc_ids[] = {
 	  .bInterfaceClass	= USB_CLASS_VENDOR_SPEC,
 	  .bInterfaceSubClass	= 1,
 	  .bInterfaceProtocol	= 0 },
+	/* Chicony CNF7129 (Asus EEE 100HE) */
+	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
+				| USB_DEVICE_ID_MATCH_INT_INFO,
+	  .idVendor		= 0x04f2,
+	  .idProduct		= 0xb071,
+	  .bInterfaceClass	= USB_CLASS_VIDEO,
+	  .bInterfaceSubClass	= 1,
+	  .bInterfaceProtocol	= 0,
+	  .driver_info		= UVC_QUIRK_RESTRICT_FRAME_RATE },
 	/* Alcor Micro AU3820 (Future Boy PC USB Webcam) */
 	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
 				| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -2091,6 +2106,15 @@ static struct usb_device_id uvc_ids[] = {
 	  .bInterfaceProtocol	= 0,
 	  .driver_info		= UVC_QUIRK_PROBE_MINMAX
 				| UVC_QUIRK_PROBE_DEF },
+	/* IMC Networks (Medion Akoya) */
+	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
+				| USB_DEVICE_ID_MATCH_INT_INFO,
+	  .idVendor		= 0x13d3,
+	  .idProduct		= 0x5103,
+	  .bInterfaceClass	= USB_CLASS_VIDEO,
+	  .bInterfaceSubClass	= 1,
+	  .bInterfaceProtocol	= 0,
+	  .driver_info		= UVC_QUIRK_STREAM_NO_FID },
 	/* Syntek (HP Spartan) */
 	{ .match_flags		= USB_DEVICE_ID_MATCH_DEVICE
 				| USB_DEVICE_ID_MATCH_INT_INFO,
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h
index bdacf3beabf5..892e0e51916c 100644
--- a/drivers/media/video/uvc/uvcvideo.h
+++ b/drivers/media/video/uvc/uvcvideo.h
@@ -182,6 +182,7 @@ struct uvc_xu_control {
 #define UVC_QUIRK_IGNORE_SELECTOR_UNIT	0x00000020
 #define UVC_QUIRK_FIX_BANDWIDTH		0x00000080
 #define UVC_QUIRK_PROBE_DEF		0x00000100
+#define UVC_QUIRK_RESTRICT_FRAME_RATE	0x00000200
 
 /* Format flags */
 #define UVC_FMT_FLAG_COMPRESSED		0x00000001
diff --git a/drivers/media/video/videobuf-dma-contig.c b/drivers/media/video/videobuf-dma-contig.c
index 372b87efcd05..6ff9e4bac3ea 100644
--- a/drivers/media/video/videobuf-dma-contig.c
+++ b/drivers/media/video/videobuf-dma-contig.c
@@ -393,8 +393,10 @@ void videobuf_dma_contig_free(struct videobuf_queue *q,
 	}
 
 	/* read() method */
-	dma_free_coherent(q->dev, mem->size, mem->vaddr, mem->dma_handle);
-	mem->vaddr = NULL;
+	if (mem->vaddr) {
+		dma_free_coherent(q->dev, mem->size, mem->vaddr, mem->dma_handle);
+		mem->vaddr = NULL;
+	}
 }
 EXPORT_SYMBOL_GPL(videobuf_dma_contig_free);
 
diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c
index 06f9a9c2a39a..2ad0bc252b0e 100644
--- a/drivers/media/video/videobuf-dma-sg.c
+++ b/drivers/media/video/videobuf-dma-sg.c
@@ -94,7 +94,7 @@ err:
  * must free the memory.
  */
 static struct scatterlist *videobuf_pages_to_sg(struct page **pages,
-						int nr_pages, int offset)
+					int nr_pages, int offset, size_t size)
 {
 	struct scatterlist *sglist;
 	int i;
@@ -110,12 +110,14 @@ static struct scatterlist *videobuf_pages_to_sg(struct page **pages,
 		/* DMA to highmem pages might not work */
 		goto highmem;
 	sg_set_page(&sglist[0], pages[0], PAGE_SIZE - offset, offset);
+	size -= PAGE_SIZE - offset;
 	for (i = 1; i < nr_pages; i++) {
 		if (NULL == pages[i])
 			goto nopage;
 		if (PageHighMem(pages[i]))
 			goto highmem;
-		sg_set_page(&sglist[i], pages[i], PAGE_SIZE, 0);
+		sg_set_page(&sglist[i], pages[i], min(PAGE_SIZE, size), 0);
+		size -= min(PAGE_SIZE, size);
 	}
 	return sglist;
 
@@ -170,7 +172,8 @@ static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma,
 
 	first = (data          & PAGE_MASK) >> PAGE_SHIFT;
 	last  = ((data+size-1) & PAGE_MASK) >> PAGE_SHIFT;
-	dma->offset   = data & ~PAGE_MASK;
+	dma->offset = data & ~PAGE_MASK;
+	dma->size = size;
 	dma->nr_pages = last-first+1;
 	dma->pages = kmalloc(dma->nr_pages * sizeof(struct page *), GFP_KERNEL);
 	if (NULL == dma->pages)
@@ -252,7 +255,7 @@ int videobuf_dma_map(struct device *dev, struct videobuf_dmabuf *dma)
 
 	if (dma->pages) {
 		dma->sglist = videobuf_pages_to_sg(dma->pages, dma->nr_pages,
-						   dma->offset);
+						   dma->offset, dma->size);
 	}
 	if (dma->vaddr) {
 		dma->sglist = videobuf_vmalloc_to_sg(dma->vaddr,