Merge remote branch 'kumar/merge' into next

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,