Merge commit 'v2.6.33-rc6' into secretlab/next-spi

16 files changed, 85 insertions, 55 deletions

diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index e930a67d526b..bd6214d4ab3b 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -1815,6 +1815,8 @@ static int vidioc_qbuf(struct file *file, void *priv,
         /* put the buffer in the 'queued' queue */
         i = gspca_dev->fr_q;
         gspca_dev->fr_queue[i] = index;
+        if (gspca_dev->fr_i == i)
+                gspca_dev->cur_frame = frame;
         gspca_dev->fr_q = (i + 1) % gspca_dev->nframes;
         PDEBUG(D_FRAM, "qbuf q:%d i:%d o:%d",
                 gspca_dev->fr_q,
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
index aa2f3c7e2cb5..1b536f7d30cf 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
+++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
@@ -48,6 +48,12 @@ static
                         DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528")
                 }
         }, {
+                .ident = "Fujitsu-Siemens Amilo Xi 2428",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2428")
+                }
+        }, {
                 .ident = "Fujitsu-Siemens Amilo Xi 2528",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c
index 4dbb882c83dc..0a6b8f07a69d 100644
--- a/drivers/media/video/gspca/ov534.c
+++ b/drivers/media/video/gspca/ov534.c
@@ -1533,7 +1533,7 @@ static void setexposure_96(struct gspca_dev *gspca_dev)
 static void setsharpness_96(struct gspca_dev *gspca_dev)
 {
         struct sd *sd = (struct sd *) gspca_dev;
-        u8 val;
+        s8 val;
 
         val = sd->sharpness;
         if (val < 0) {                          /* auto */
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 4cff8035614f..0ca1c06652b1 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -2319,7 +2319,7 @@ static void do_autogain(struct gspca_dev *gspca_dev, u16 avg_lum)
                 }
         }
         if (avg_lum > MAX_AVG_LUM) {
-                if (sd->gain - 1 >= 0) {
+                if (sd->gain >= 1) {
                         sd->gain--;
                         set_gain(gspca_dev);
                 }
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h
index 487d40555343..96c61926d372 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h
+++ b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h
@@ -228,6 +228,7 @@ static const struct stv_init stv_bridge_init[] = {
         /* This reg is written twice. Some kind of reset? */
         {NULL,  0x1620, 0x80},
         {NULL,  0x1620, 0x00},
+        {NULL,  0x1443, 0x00},
         {NULL,  0x1423, 0x04},
         {x1500, 0x1500, ARRAY_SIZE(x1500)},
         {x1536, 0x1536, ARRAY_SIZE(x1536)},
diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c
index 716df6b15fc5..306b7d75b4aa 100644
--- a/drivers/media/video/gspca/sunplus.c
+++ b/drivers/media/video/gspca/sunplus.c
@@ -709,7 +709,7 @@ static void spca504B_SetSizeType(struct gspca_dev *gspca_dev)
                 spca504B_PollingDataReady(gspca_dev);
 
                 /* Init the cam width height with some values get on init ? */
-                reg_w_riv(gspca_dev, 0x31, 0, 0x04);
+                reg_w_riv(gspca_dev, 0x31, 0x0004, 0x00);
                 spca504B_WaitCmdStatus(gspca_dev);
                 spca504B_PollingDataReady(gspca_dev);
                 break;
@@ -807,14 +807,14 @@ static void init_ctl_reg(struct gspca_dev *gspca_dev)
         default:
 /*      case BRIDGE_SPCA533: */
 /*      case BRIDGE_SPCA504B: */
-                reg_w_riv(gspca_dev, 0, 0x00, 0x21ad);  /* hue */
-                reg_w_riv(gspca_dev, 0, 0x01, 0x21ac);  /* sat/hue */
-                reg_w_riv(gspca_dev, 0, 0x00, 0x21a3);  /* gamma */
+                reg_w_riv(gspca_dev, 0, 0x21ad, 0x00);  /* hue */
+                reg_w_riv(gspca_dev, 0, 0x21ac, 0x01);  /* sat/hue */
+                reg_w_riv(gspca_dev, 0, 0x21a3, 0x00);  /* gamma */
                 break;
         case BRIDGE_SPCA536:
-                reg_w_riv(gspca_dev, 0, 0x40, 0x20f5);
-                reg_w_riv(gspca_dev, 0, 0x01, 0x20f4);
-                reg_w_riv(gspca_dev, 0, 0x00, 0x2089);
+                reg_w_riv(gspca_dev, 0, 0x20f5, 0x40);
+                reg_w_riv(gspca_dev, 0, 0x20f4, 0x01);
+                reg_w_riv(gspca_dev, 0, 0x2089, 0x00);
                 break;
         }
         if (pollreg)
@@ -887,11 +887,11 @@ static int sd_init(struct gspca_dev *gspca_dev)
         switch (sd->bridge) {
         case BRIDGE_SPCA504B:
                 reg_w_riv(gspca_dev, 0x1d, 0x00, 0);
-                reg_w_riv(gspca_dev, 0, 0x01, 0x2306);
-                reg_w_riv(gspca_dev, 0, 0x00, 0x0d04);
-                reg_w_riv(gspca_dev, 0, 0x00, 0x2000);
-                reg_w_riv(gspca_dev, 0, 0x13, 0x2301);
-                reg_w_riv(gspca_dev, 0, 0x00, 0x2306);
+                reg_w_riv(gspca_dev, 0x00, 0x2306, 0x01);
+                reg_w_riv(gspca_dev, 0x00, 0x0d04, 0x00);
+                reg_w_riv(gspca_dev, 0x00, 0x2000, 0x00);
+                reg_w_riv(gspca_dev, 0x00, 0x2301, 0x13);
+                reg_w_riv(gspca_dev, 0x00, 0x2306, 0x00);
                 /* fall thru */
         case BRIDGE_SPCA533:
                 spca504B_PollingDataReady(gspca_dev);
@@ -1000,7 +1000,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
                         spca504B_WaitCmdStatus(gspca_dev);
                         break;
                 default:
-                        reg_w_riv(gspca_dev, 0x31, 0, 0x04);
+                        reg_w_riv(gspca_dev, 0x31, 0x0004, 0x00);
                         spca504B_WaitCmdStatus(gspca_dev);
                         spca504B_PollingDataReady(gspca_dev);
                         break;
diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c
index c090efcd8045..71921c878424 100644
--- a/drivers/media/video/gspca/vc032x.c
+++ b/drivers/media/video/gspca/vc032x.c
@@ -3009,6 +3009,10 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
                 int l;
 
                 frame = gspca_get_i_frame(gspca_dev);
+                if (frame == NULL) {
+                        gspca_dev->last_packet_type = DISCARD_PACKET;
+                        return;
+                }
                 l = frame->data_end - frame->data;
                 if (len > frame->v4l2_buf.length - l)
                         len = frame->v4l2_buf.length - l;
diff --git a/drivers/media/video/mx1_camera.c b/drivers/media/video/mx1_camera.c
index 2ba14fb5b031..c167cc3de492 100644
--- a/drivers/media/video/mx1_camera.c
+++ b/drivers/media/video/mx1_camera.c
@@ -718,7 +718,7 @@ static int __init mx1_camera_probe(struct platform_device *pdev)
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         irq = platform_get_irq(pdev, 0);
-        if (!res || !irq) {
+        if (!res || (int)irq <= 0) {
                 err = -ENODEV;
                 goto exit;
         }
diff --git a/drivers/media/video/rj54n1cb0c.c b/drivers/media/video/rj54n1cb0c.c
index 7e42989ce0e4..805226e0d9c1 100644
--- a/drivers/media/video/rj54n1cb0c.c
+++ b/drivers/media/video/rj54n1cb0c.c
@@ -563,7 +563,7 @@ static int rj54n1_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
         struct i2c_client *client = sd->priv;
         struct rj54n1 *rj54n1 = to_rj54n1(client);
         struct v4l2_rect *rect = &a->c;
-        unsigned int dummy, output_w, output_h,
+        unsigned int dummy = 0, output_w, output_h,
                 input_w = rect->width, input_h = rect->height;
         int ret;
 
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 9f85e917f9f3..a7ad7810fddc 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -420,19 +420,6 @@ int saa7134_set_dmabits(struct saa7134_dev *dev)
                 ctrl |= SAA7134_MAIN_CTRL_TE5;
                 irq  |= SAA7134_IRQ1_INTE_RA2_1 |
                         SAA7134_IRQ1_INTE_RA2_0;
-
-                /* dma: setup channel 5 (= TS) */
-
-                saa_writeb(SAA7134_TS_DMA0, (dev->ts.nr_packets - 1) & 0xff);
-                saa_writeb(SAA7134_TS_DMA1,
-                        ((dev->ts.nr_packets - 1) >> 8) & 0xff);
-                /* TSNOPIT=0, TSCOLAP=0 */
-                saa_writeb(SAA7134_TS_DMA2,
-                        (((dev->ts.nr_packets - 1) >> 16) & 0x3f) | 0x00);
-                saa_writel(SAA7134_RS_PITCH(5), TS_PACKET_SIZE);
-                saa_writel(SAA7134_RS_CONTROL(5), SAA7134_RS_CONTROL_BURST_16 |
-                                                  SAA7134_RS_CONTROL_ME |
-                                                  (dev->ts.pt_ts.dma >> 12));
         }
 
         /* set task conditions + field handling */
diff --git a/drivers/media/video/saa7134/saa7134-ts.c b/drivers/media/video/saa7134/saa7134-ts.c
index 03488ba4c99c..b9817d74943f 100644
--- a/drivers/media/video/saa7134/saa7134-ts.c
+++ b/drivers/media/video/saa7134/saa7134-ts.c
@@ -250,6 +250,19 @@ int saa7134_ts_start(struct saa7134_dev *dev)
 
         BUG_ON(dev->ts_started);
 
+        /* dma: setup channel 5 (= TS) */
+        saa_writeb(SAA7134_TS_DMA0, (dev->ts.nr_packets - 1) & 0xff);
+        saa_writeb(SAA7134_TS_DMA1,
+                ((dev->ts.nr_packets - 1) >> 8) & 0xff);
+        /* TSNOPIT=0, TSCOLAP=0 */
+        saa_writeb(SAA7134_TS_DMA2,
+                (((dev->ts.nr_packets - 1) >> 16) & 0x3f) | 0x00);
+        saa_writel(SAA7134_RS_PITCH(5), TS_PACKET_SIZE);
+        saa_writel(SAA7134_RS_CONTROL(5), SAA7134_RS_CONTROL_BURST_16 |
+                                          SAA7134_RS_CONTROL_ME |
+                                          (dev->ts.pt_ts.dma >> 12));
+
+        /* reset hardware TS buffers */
         saa_writeb(SAA7134_TS_SERIAL1, 0x00);
         saa_writeb(SAA7134_TS_SERIAL1, 0x03);
         saa_writeb(SAA7134_TS_SERIAL1, 0x00);
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index d69363f0d8c9..f09c7140d6b2 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -1827,7 +1827,7 @@ static int __devinit sh_mobile_ceu_probe(struct platform_device *pdev)
 
         res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         irq = platform_get_irq(pdev, 0);
-        if (!res || !irq) {
+        if (!res || (int)irq <= 0) {
                 dev_err(&pdev->dev, "Not enough CEU platform resources.\n");
                 err = -ENODEV;
                 goto exit;
diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index 0469d7a876a8..ec8ef8c5560a 100644
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -1393,7 +1393,7 @@ uvc_ctrl_prune_entity(struct uvc_device *dev, struct uvc_entity *entity)
         size = entity->processing.bControlSize;
 
         for (i = 0; i < ARRAY_SIZE(blacklist); ++i) {
-                if (!usb_match_id(dev->intf, &blacklist[i].id))
+                if (!usb_match_one_id(dev->intf, &blacklist[i].id))
                         continue;
 
                 if (blacklist[i].index >= 8 * size ||
diff --git a/drivers/media/video/uvc/uvc_queue.c b/drivers/media/video/uvc/uvc_queue.c
index f854698c4061..ea11839cba4a 100644
--- a/drivers/media/video/uvc/uvc_queue.c
+++ b/drivers/media/video/uvc/uvc_queue.c
@@ -59,9 +59,9 @@
  *    returns immediately.
  *
  *    When the buffer is full, the completion handler removes it from the irq
- *    queue, marks it as ready (UVC_BUF_STATE_DONE) and wakes its wait queue.
+ *    queue, marks it as done (UVC_BUF_STATE_DONE) and wakes its wait queue.
  *    At that point, any process waiting on the buffer will be woken up. If a
- *    process tries to dequeue a buffer after it has been marked ready, the
+ *    process tries to dequeue a buffer after it has been marked done, the
  *    dequeing will succeed immediately.
  *
  * 2. Buffers are queued, user is waiting on a buffer and the device gets
@@ -201,6 +201,7 @@ static void __uvc_query_buffer(struct uvc_buffer *buf,
                 break;
         case UVC_BUF_STATE_QUEUED:
         case UVC_BUF_STATE_ACTIVE:
+        case UVC_BUF_STATE_READY:
                 v4l2_buf->flags |= V4L2_BUF_FLAG_QUEUED;
                 break;
         case UVC_BUF_STATE_IDLE:
@@ -295,13 +296,15 @@ static int uvc_queue_waiton(struct uvc_buffer *buf, int nonblocking)
 {
         if (nonblocking) {
                 return (buf->state != UVC_BUF_STATE_QUEUED &&
-                        buf->state != UVC_BUF_STATE_ACTIVE)
+                        buf->state != UVC_BUF_STATE_ACTIVE &&
+                        buf->state != UVC_BUF_STATE_READY)
                         ? 0 : -EAGAIN;
         }
 
         return wait_event_interruptible(buf->wait,
                 buf->state != UVC_BUF_STATE_QUEUED &&
-                buf->state != UVC_BUF_STATE_ACTIVE);
+                buf->state != UVC_BUF_STATE_ACTIVE &&
+                buf->state != UVC_BUF_STATE_READY);
 }
 
 /*
@@ -348,6 +351,7 @@ int uvc_dequeue_buffer(struct uvc_video_queue *queue,
         case UVC_BUF_STATE_IDLE:
         case UVC_BUF_STATE_QUEUED:
         case UVC_BUF_STATE_ACTIVE:
+        case UVC_BUF_STATE_READY:
         default:
                 uvc_trace(UVC_TRACE_CAPTURE, "[E] Invalid buffer state %u "
                         "(driver bug?).\n", buf->state);
@@ -489,6 +493,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue,
 
         spin_lock_irqsave(&queue->irqlock, flags);
         list_del(&buf->queue);
+        buf->state = UVC_BUF_STATE_DONE;
         if (!list_empty(&queue->irqqueue))
                 nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer,
                                            queue);
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 9a9802830d41..7dcf534a0cf3 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -441,7 +441,7 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
         if (fid != stream->last_fid && buf->buf.bytesused != 0) {
                 uvc_trace(UVC_TRACE_FRAME, "Frame complete (FID bit "
                                 "toggled).\n");
-                buf->state = UVC_BUF_STATE_DONE;
+                buf->state = UVC_BUF_STATE_READY;
                 return -EAGAIN;
         }
 
@@ -470,7 +470,7 @@ static void uvc_video_decode_data(struct uvc_streaming *stream,
         /* Complete the current frame if the buffer size was exceeded. */
         if (len > maxlen) {
                 uvc_trace(UVC_TRACE_FRAME, "Frame complete (overflow).\n");
-                buf->state = UVC_BUF_STATE_DONE;
+                buf->state = UVC_BUF_STATE_READY;
         }
 }
 
@@ -482,7 +482,7 @@ static void uvc_video_decode_end(struct uvc_streaming *stream,
                 uvc_trace(UVC_TRACE_FRAME, "Frame complete (EOF found).\n");
                 if (data[0] == len)
                         uvc_trace(UVC_TRACE_FRAME, "EOF in empty payload.\n");
-                buf->state = UVC_BUF_STATE_DONE;
+                buf->state = UVC_BUF_STATE_READY;
                 if (stream->dev->quirks & UVC_QUIRK_STREAM_NO_FID)
                         stream->last_fid ^= UVC_STREAM_FID;
         }
@@ -568,8 +568,7 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
                 uvc_video_decode_end(stream, buf, mem,
                         urb->iso_frame_desc[i].actual_length);
 
-                if (buf->state == UVC_BUF_STATE_DONE ||
-                    buf->state == UVC_BUF_STATE_ERROR)
+                if (buf->state == UVC_BUF_STATE_READY)
                         buf = uvc_queue_next_buffer(&stream->queue, buf);
         }
 }
@@ -627,8 +626,7 @@ static void uvc_video_decode_bulk(struct urb *urb, struct uvc_streaming *stream,
                 if (!stream->bulk.skip_payload && buf != NULL) {
                         uvc_video_decode_end(stream, buf, stream->bulk.header,
                                 stream->bulk.payload_size);
-                        if (buf->state == UVC_BUF_STATE_DONE ||
-                            buf->state == UVC_BUF_STATE_ERROR)
+                        if (buf->state == UVC_BUF_STATE_READY)
                                 buf = uvc_queue_next_buffer(&stream->queue,
                                                             buf);
                 }
@@ -669,7 +667,7 @@ static void uvc_video_encode_bulk(struct urb *urb, struct uvc_streaming *stream,
             stream->bulk.payload_size == stream->bulk.max_payload_size) {
                 if (buf->buf.bytesused == stream->queue.buf_used) {
                         stream->queue.buf_used = 0;
-                        buf->state = UVC_BUF_STATE_DONE;
+                        buf->state = UVC_BUF_STATE_READY;
                         uvc_queue_next_buffer(&stream->queue, buf);
                         stream->last_fid ^= UVC_STREAM_FID;
                 }
@@ -924,10 +922,8 @@ static int uvc_init_video_bulk(struct uvc_streaming *stream,
 static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
 {
         struct usb_interface *intf = stream->intf;
-        struct usb_host_interface *alts;
-        struct usb_host_endpoint *ep = NULL;
-        int intfnum = stream->intfnum;
-        unsigned int bandwidth, psize, i;
+        struct usb_host_endpoint *ep;
+        unsigned int i;
         int ret;
 
         stream->last_fid = -1;
@@ -936,6 +932,12 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
         stream->bulk.payload_size = 0;
 
         if (intf->num_altsetting > 1) {
+                struct usb_host_endpoint *best_ep = NULL;
+                unsigned int best_psize = 3 * 1024;
+                unsigned int bandwidth;
+                unsigned int uninitialized_var(altsetting);
+                int intfnum = stream->intfnum;
+
                 /* Isochronous endpoint, select the alternate setting. */
                 bandwidth = stream->ctrl.dwMaxPayloadTransferSize;
 
@@ -949,6 +951,9 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
                 }
 
                 for (i = 0; i < intf->num_altsetting; ++i) {
+                        struct usb_host_interface *alts;
+                        unsigned int psize;
+
                         alts = &intf->altsetting[i];
                         ep = uvc_find_endpoint(alts,
                                 stream->header.bEndpointAddress);
@@ -958,21 +963,27 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags)
                         /* Check if the bandwidth is high enough. */
                         psize = le16_to_cpu(ep->desc.wMaxPacketSize);
                         psize = (psize & 0x07ff) * (1 + ((psize >> 11) & 3));
-                        if (psize >= bandwidth)
-                                break;
+                        if (psize >= bandwidth && psize <= best_psize) {
+                                altsetting = i;
+                                best_psize = psize;
+                                best_ep = ep;
+                        }
                 }
 
-                if (i >= intf->num_altsetting) {
+                if (best_ep == NULL) {
                         uvc_trace(UVC_TRACE_VIDEO, "No fast enough alt setting "
                                 "for requested bandwidth.\n");
                         return -EIO;
                 }
 
-                ret = usb_set_interface(stream->dev->udev, intfnum, i);
+                uvc_trace(UVC_TRACE_VIDEO, "Selecting alternate setting %u "
+                        "(%u B/frame bandwidth).\n", altsetting, best_psize);
+
+                ret = usb_set_interface(stream->dev->udev, intfnum, altsetting);
                 if (ret < 0)
                         return ret;
 
-                ret = uvc_init_video_isoc(stream, ep, gfp_flags);
+                ret = uvc_init_video_isoc(stream, best_ep, gfp_flags);
         } else {
                 /* Bulk endpoint, proceed to URB initialization. */
                 ep = uvc_find_endpoint(&intf->altsetting[0],
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h
index 7ec9a04ced50..2337585001ea 100644
--- a/drivers/media/video/uvc/uvcvideo.h
+++ b/drivers/media/video/uvc/uvcvideo.h
@@ -365,8 +365,9 @@ enum uvc_buffer_state {
         UVC_BUF_STATE_IDLE      = 0,
         UVC_BUF_STATE_QUEUED    = 1,
         UVC_BUF_STATE_ACTIVE    = 2,
-        UVC_BUF_STATE_DONE      = 3,
-        UVC_BUF_STATE_ERROR     = 4,
+        UVC_BUF_STATE_READY     = 3,
+        UVC_BUF_STATE_DONE      = 4,
+        UVC_BUF_STATE_ERROR     = 5,
 };
 
 struct uvc_buffer {