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-rw-r--r--drivers/media/usb/uvc/Kconfig1
-rw-r--r--drivers/media/usb/uvc/uvc_ctrl.c4
-rw-r--r--drivers/media/usb/uvc/uvc_driver.c83
-rw-r--r--drivers/media/usb/uvc/uvc_queue.c29
-rw-r--r--drivers/media/usb/uvc/uvc_status.c21
-rw-r--r--drivers/media/usb/uvc/uvc_v4l2.c25
-rw-r--r--drivers/media/usb/uvc/uvc_video.c64
-rw-r--r--drivers/media/usb/uvc/uvcvideo.h23
8 files changed, 190 insertions, 60 deletions
diff --git a/drivers/media/usb/uvc/Kconfig b/drivers/media/usb/uvc/Kconfig
index 541c9f1e4c6..6ed85efabca 100644
--- a/drivers/media/usb/uvc/Kconfig
+++ b/drivers/media/usb/uvc/Kconfig
@@ -1,5 +1,6 @@
config USB_VIDEO_CLASS
tristate "USB Video Class (UVC)"
+ depends on VIDEO_V4L2
select VIDEOBUF2_VMALLOC
---help---
Support for the USB Video Class (UVC). Currently only video
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index a2f4501c23c..0eb82106d2f 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -664,7 +664,7 @@ static struct uvc_control_mapping uvc_ctrl_mappings[] = {
.size = 32,
.offset = 0,
.v4l2_type = V4L2_CTRL_TYPE_INTEGER,
- .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ .data_type = UVC_CTRL_DATA_TYPE_SIGNED,
},
{
.id = V4L2_CID_TILT_ABSOLUTE,
@@ -674,7 +674,7 @@ static struct uvc_control_mapping uvc_ctrl_mappings[] = {
.size = 32,
.offset = 32,
.v4l2_type = V4L2_CTRL_TYPE_INTEGER,
- .data_type = UVC_CTRL_DATA_TYPE_UNSIGNED,
+ .data_type = UVC_CTRL_DATA_TYPE_SIGNED,
},
{
.id = V4L2_CID_PRIVACY,
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 5dbefa68b1d..ad47c5cb539 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -108,11 +108,31 @@ static struct uvc_format_desc uvc_fmts[] = {
.fcc = V4L2_PIX_FMT_Y16,
},
{
- .name = "RGB Bayer",
+ .name = "BGGR Bayer (BY8 )",
.guid = UVC_GUID_FORMAT_BY8,
.fcc = V4L2_PIX_FMT_SBGGR8,
},
{
+ .name = "BGGR Bayer (BA81)",
+ .guid = UVC_GUID_FORMAT_BA81,
+ .fcc = V4L2_PIX_FMT_SBGGR8,
+ },
+ {
+ .name = "GBRG Bayer (GBRG)",
+ .guid = UVC_GUID_FORMAT_GBRG,
+ .fcc = V4L2_PIX_FMT_SGBRG8,
+ },
+ {
+ .name = "GRBG Bayer (GRBG)",
+ .guid = UVC_GUID_FORMAT_GRBG,
+ .fcc = V4L2_PIX_FMT_SGRBG8,
+ },
+ {
+ .name = "RGGB Bayer (RGGB)",
+ .guid = UVC_GUID_FORMAT_RGGB,
+ .fcc = V4L2_PIX_FMT_SRGGB8,
+ },
+ {
.name = "RGB565",
.guid = UVC_GUID_FORMAT_RGBP,
.fcc = V4L2_PIX_FMT_RGB565,
@@ -925,7 +945,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
case UVC_VC_HEADER:
n = buflen >= 12 ? buffer[11] : 0;
- if (buflen < 12 || buflen < 12 + n) {
+ if (buflen < 12 + n) {
uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
"interface %d HEADER error\n", udev->devnum,
alts->desc.bInterfaceNumber);
@@ -1836,8 +1856,8 @@ static int uvc_probe(struct usb_interface *intf,
INIT_LIST_HEAD(&dev->chains);
INIT_LIST_HEAD(&dev->streams);
atomic_set(&dev->nstreams, 0);
- atomic_set(&dev->users, 0);
atomic_set(&dev->nmappings, 0);
+ mutex_init(&dev->lock);
dev->udev = usb_get_dev(udev);
dev->intf = usb_get_intf(intf);
@@ -1950,8 +1970,13 @@ static int uvc_suspend(struct usb_interface *intf, pm_message_t message)
/* Controls are cached on the fly so they don't need to be saved. */
if (intf->cur_altsetting->desc.bInterfaceSubClass ==
- UVC_SC_VIDEOCONTROL)
- return uvc_status_suspend(dev);
+ UVC_SC_VIDEOCONTROL) {
+ mutex_lock(&dev->lock);
+ if (dev->users)
+ uvc_status_stop(dev);
+ mutex_unlock(&dev->lock);
+ return 0;
+ }
list_for_each_entry(stream, &dev->streams, list) {
if (stream->intf == intf)
@@ -1973,14 +1998,20 @@ static int __uvc_resume(struct usb_interface *intf, int reset)
if (intf->cur_altsetting->desc.bInterfaceSubClass ==
UVC_SC_VIDEOCONTROL) {
- if (reset) {
- int ret = uvc_ctrl_resume_device(dev);
+ int ret = 0;
+ if (reset) {
+ ret = uvc_ctrl_resume_device(dev);
if (ret < 0)
return ret;
}
- return uvc_status_resume(dev);
+ mutex_lock(&dev->lock);
+ if (dev->users)
+ ret = uvc_status_start(dev, GFP_NOIO);
+ mutex_unlock(&dev->lock);
+
+ return ret;
}
list_for_each_entry(stream, &dev->streams, list) {
@@ -2079,6 +2110,15 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_PROBE_MINMAX },
+ /* Microsoft Lifecam NX-3000 */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x045e,
+ .idProduct = 0x0721,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_QUIRK_PROBE_DEF },
/* Microsoft Lifecam VX-7000 */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -2163,6 +2203,33 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_PROBE_DEF },
+ /* Dell SP2008WFP Monitor */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x05a9,
+ .idProduct = 0x2641,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_QUIRK_PROBE_DEF },
+ /* Dell Alienware X51 */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x05a9,
+ .idProduct = 0x2643,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_QUIRK_PROBE_DEF },
+ /* Dell Studio Hybrid 140g (OmniVision webcam) */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x05a9,
+ .idProduct = 0x264a,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_QUIRK_PROBE_DEF },
/* Apple Built-In iSight */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
index cd962be860c..6e92d208025 100644
--- a/drivers/media/usb/uvc/uvc_queue.c
+++ b/drivers/media/usb/uvc/uvc_queue.c
@@ -48,12 +48,14 @@ static int uvc_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt,
struct uvc_streaming *stream =
container_of(queue, struct uvc_streaming, queue);
- if (*nbuffers > UVC_MAX_VIDEO_BUFFERS)
- *nbuffers = UVC_MAX_VIDEO_BUFFERS;
+ /* Make sure the image size is large enough. */
+ if (fmt && fmt->fmt.pix.sizeimage < stream->ctrl.dwMaxVideoFrameSize)
+ return -EINVAL;
*nplanes = 1;
- sizes[0] = stream->ctrl.dwMaxVideoFrameSize;
+ sizes[0] = fmt ? fmt->fmt.pix.sizeimage
+ : stream->ctrl.dwMaxVideoFrameSize;
return 0;
}
@@ -104,15 +106,15 @@ static void uvc_buffer_queue(struct vb2_buffer *vb)
spin_unlock_irqrestore(&queue->irqlock, flags);
}
-static int uvc_buffer_finish(struct vb2_buffer *vb)
+static void uvc_buffer_finish(struct vb2_buffer *vb)
{
struct uvc_video_queue *queue = vb2_get_drv_priv(vb->vb2_queue);
struct uvc_streaming *stream =
container_of(queue, struct uvc_streaming, queue);
struct uvc_buffer *buf = container_of(vb, struct uvc_buffer, buf);
- uvc_video_clock_update(stream, &vb->v4l2_buf, buf);
- return 0;
+ if (vb->state == VB2_BUF_STATE_DONE)
+ uvc_video_clock_update(stream, &vb->v4l2_buf, buf);
}
static void uvc_wait_prepare(struct vb2_queue *vq)
@@ -149,7 +151,8 @@ int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
queue->queue.buf_struct_size = sizeof(struct uvc_buffer);
queue->queue.ops = &uvc_queue_qops;
queue->queue.mem_ops = &vb2_vmalloc_memops;
- queue->queue.timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ queue->queue.timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC
+ | V4L2_BUF_FLAG_TSTAMP_SRC_SOE;
ret = vb2_queue_init(&queue->queue);
if (ret)
return ret;
@@ -196,6 +199,18 @@ int uvc_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)
return ret;
}
+int uvc_create_buffers(struct uvc_video_queue *queue,
+ struct v4l2_create_buffers *cb)
+{
+ int ret;
+
+ mutex_lock(&queue->mutex);
+ ret = vb2_create_bufs(&queue->queue, cb);
+ mutex_unlock(&queue->mutex);
+
+ return ret;
+}
+
int uvc_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)
{
int ret;
diff --git a/drivers/media/usb/uvc/uvc_status.c b/drivers/media/usb/uvc/uvc_status.c
index b7492775e6a..f552ab99795 100644
--- a/drivers/media/usb/uvc/uvc_status.c
+++ b/drivers/media/usb/uvc/uvc_status.c
@@ -206,32 +206,15 @@ void uvc_status_cleanup(struct uvc_device *dev)
uvc_input_cleanup(dev);
}
-int uvc_status_start(struct uvc_device *dev)
+int uvc_status_start(struct uvc_device *dev, gfp_t flags)
{
if (dev->int_urb == NULL)
return 0;
- return usb_submit_urb(dev->int_urb, GFP_KERNEL);
+ return usb_submit_urb(dev->int_urb, flags);
}
void uvc_status_stop(struct uvc_device *dev)
{
usb_kill_urb(dev->int_urb);
}
-
-int uvc_status_suspend(struct uvc_device *dev)
-{
- if (atomic_read(&dev->users))
- usb_kill_urb(dev->int_urb);
-
- return 0;
-}
-
-int uvc_status_resume(struct uvc_device *dev)
-{
- if (dev->int_urb == NULL || atomic_read(&dev->users) == 0)
- return 0;
-
- return usb_submit_urb(dev->int_urb, GFP_NOIO);
-}
-
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index b2dc32623a7..378ae02e593 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -498,16 +498,20 @@ static int uvc_v4l2_open(struct file *file)
return -ENOMEM;
}
- if (atomic_inc_return(&stream->dev->users) == 1) {
- ret = uvc_status_start(stream->dev);
+ mutex_lock(&stream->dev->lock);
+ if (stream->dev->users == 0) {
+ ret = uvc_status_start(stream->dev, GFP_KERNEL);
if (ret < 0) {
- atomic_dec(&stream->dev->users);
+ mutex_unlock(&stream->dev->lock);
usb_autopm_put_interface(stream->dev->intf);
kfree(handle);
return ret;
}
}
+ stream->dev->users++;
+ mutex_unlock(&stream->dev->lock);
+
v4l2_fh_init(&handle->vfh, stream->vdev);
v4l2_fh_add(&handle->vfh);
handle->chain = stream->chain;
@@ -538,8 +542,10 @@ static int uvc_v4l2_release(struct file *file)
kfree(handle);
file->private_data = NULL;
- if (atomic_dec_return(&stream->dev->users) == 0)
+ mutex_lock(&stream->dev->lock);
+ if (--stream->dev->users == 0)
uvc_status_stop(stream->dev);
+ mutex_unlock(&stream->dev->lock);
usb_autopm_put_interface(stream->dev->intf);
return 0;
@@ -994,6 +1000,17 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
return uvc_query_buffer(&stream->queue, buf);
}
+ case VIDIOC_CREATE_BUFS:
+ {
+ struct v4l2_create_buffers *cb = arg;
+
+ ret = uvc_acquire_privileges(handle);
+ if (ret < 0)
+ return ret;
+
+ return uvc_create_buffers(&stream->queue, cb);
+ }
+
case VIDIOC_QBUF:
if (!uvc_has_privileges(handle))
return -EBUSY;
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index 3394c343201..9144a2f3ed8 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -361,6 +361,14 @@ static int uvc_commit_video(struct uvc_streaming *stream,
* Clocks and timestamps
*/
+static inline void uvc_video_get_ts(struct timespec *ts)
+{
+ if (uvc_clock_param == CLOCK_MONOTONIC)
+ ktime_get_ts(ts);
+ else
+ ktime_get_real_ts(ts);
+}
+
static void
uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf,
const __u8 *data, int len)
@@ -420,7 +428,7 @@ uvc_video_clock_decode(struct uvc_streaming *stream, struct uvc_buffer *buf,
stream->clock.last_sof = dev_sof;
host_sof = usb_get_current_frame_number(stream->dev->udev);
- ktime_get_ts(&ts);
+ uvc_video_get_ts(&ts);
/* The UVC specification allows device implementations that can't obtain
* the USB frame number to keep their own frame counters as long as they
@@ -556,7 +564,7 @@ static u16 uvc_video_clock_host_sof(const struct uvc_clock_sample *sample)
*
* SOF = ((SOF2 - SOF1) * PTS + SOF1 * STC2 - SOF2 * STC1) / (STC2 - STC1) (1)
*
- * to avoid loosing precision in the division. Similarly, the host timestamp is
+ * to avoid losing precision in the division. Similarly, the host timestamp is
* computed with
*
* TS = ((TS2 - TS1) * PTS + TS1 * SOF2 - TS2 * SOF1) / (SOF2 - SOF1) (2)
@@ -680,7 +688,8 @@ void uvc_video_clock_update(struct uvc_streaming *stream,
stream->dev->name,
sof >> 16, div_u64(((u64)sof & 0xffff) * 1000000LLU, 65536),
y, ts.tv_sec, ts.tv_nsec / NSEC_PER_USEC,
- v4l2_buf->timestamp.tv_sec, v4l2_buf->timestamp.tv_usec,
+ v4l2_buf->timestamp.tv_sec,
+ (unsigned long)v4l2_buf->timestamp.tv_usec,
x1, first->host_sof, first->dev_sof,
x2, last->host_sof, last->dev_sof, y1, y2);
@@ -1010,10 +1019,7 @@ static int uvc_video_decode_start(struct uvc_streaming *stream,
return -ENODATA;
}
- if (uvc_clock_param == CLOCK_MONOTONIC)
- ktime_get_ts(&ts);
- else
- ktime_get_real_ts(&ts);
+ uvc_video_get_ts(&ts);
buf->buf.v4l2_buf.sequence = stream->sequence;
buf->buf.v4l2_buf.timestamp.tv_sec = ts.tv_sec;
@@ -1132,6 +1138,17 @@ static int uvc_video_encode_data(struct uvc_streaming *stream,
*/
/*
+ * Set error flag for incomplete buffer.
+ */
+static void uvc_video_validate_buffer(const struct uvc_streaming *stream,
+ struct uvc_buffer *buf)
+{
+ if (buf->length != buf->bytesused &&
+ !(stream->cur_format->flags & UVC_FMT_FLAG_COMPRESSED))
+ buf->error = 1;
+}
+
+/*
* Completion handler for video URBs.
*/
static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
@@ -1155,9 +1172,11 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
do {
ret = uvc_video_decode_start(stream, buf, mem,
urb->iso_frame_desc[i].actual_length);
- if (ret == -EAGAIN)
+ if (ret == -EAGAIN) {
+ uvc_video_validate_buffer(stream, buf);
buf = uvc_queue_next_buffer(&stream->queue,
buf);
+ }
} while (ret == -EAGAIN);
if (ret < 0)
@@ -1172,11 +1191,7 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
urb->iso_frame_desc[i].actual_length);
if (buf->state == UVC_BUF_STATE_READY) {
- if (buf->length != buf->bytesused &&
- !(stream->cur_format->flags &
- UVC_FMT_FLAG_COMPRESSED))
- buf->error = 1;
-
+ uvc_video_validate_buffer(stream, buf);
buf = uvc_queue_next_buffer(&stream->queue, buf);
}
}
@@ -1452,6 +1467,9 @@ static unsigned int uvc_endpoint_max_bpi(struct usb_device *dev,
case USB_SPEED_HIGH:
psize = usb_endpoint_maxp(&ep->desc);
return (psize & 0x07ff) * (1 + ((psize >> 11) & 3));
+ case USB_SPEED_WIRELESS:
+ psize = usb_endpoint_maxp(&ep->desc);
+ return psize;
default:
psize = usb_endpoint_maxp(&ep->desc);
return psize & 0x07ff;
@@ -1846,7 +1864,25 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable)
if (!enable) {
uvc_uninit_video(stream, 1);
- usb_set_interface(stream->dev->udev, stream->intfnum, 0);
+ if (stream->intf->num_altsetting > 1) {
+ usb_set_interface(stream->dev->udev,
+ stream->intfnum, 0);
+ } else {
+ /* UVC doesn't specify how to inform a bulk-based device
+ * when the video stream is stopped. Windows sends a
+ * CLEAR_FEATURE(HALT) request to the video streaming
+ * bulk endpoint, mimic the same behaviour.
+ */
+ unsigned int epnum = stream->header.bEndpointAddress
+ & USB_ENDPOINT_NUMBER_MASK;
+ unsigned int dir = stream->header.bEndpointAddress
+ & USB_ENDPOINT_DIR_MASK;
+ unsigned int pipe;
+
+ pipe = usb_sndbulkpipe(stream->dev->udev, epnum) | dir;
+ usb_clear_halt(stream->dev->udev, pipe);
+ }
+
uvc_queue_enable(&stream->queue, 0);
uvc_video_clock_cleanup(stream);
return 0;
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index af505fdd9b3..b1f69a6d406 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -94,6 +94,18 @@
#define UVC_GUID_FORMAT_BY8 \
{ 'B', 'Y', '8', ' ', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_BA81 \
+ { 'B', 'A', '8', '1', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GBRG \
+ { 'G', 'B', 'R', 'G', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GRBG \
+ { 'G', 'R', 'B', 'G', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_RGGB \
+ { 'R', 'G', 'G', 'B', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
#define UVC_GUID_FORMAT_RGBP \
{ 'R', 'G', 'B', 'P', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
@@ -115,8 +127,6 @@
#define UVC_URBS 5
/* Maximum number of packets per URB. */
#define UVC_MAX_PACKETS 32
-/* Maximum number of video buffers. */
-#define UVC_MAX_VIDEO_BUFFERS 32
/* Maximum status buffer size in bytes of interrupt URB. */
#define UVC_MAX_STATUS_SIZE 16
@@ -514,7 +524,8 @@ struct uvc_device {
char name[32];
enum uvc_device_state state;
- atomic_t users;
+ struct mutex lock; /* Protects users */
+ unsigned int users;
atomic_t nmappings;
/* Video control interface */
@@ -615,6 +626,8 @@ extern int uvc_alloc_buffers(struct uvc_video_queue *queue,
extern void uvc_free_buffers(struct uvc_video_queue *queue);
extern int uvc_query_buffer(struct uvc_video_queue *queue,
struct v4l2_buffer *v4l2_buf);
+extern int uvc_create_buffers(struct uvc_video_queue *queue,
+ struct v4l2_create_buffers *v4l2_cb);
extern int uvc_queue_buffer(struct uvc_video_queue *queue,
struct v4l2_buffer *v4l2_buf);
extern int uvc_dequeue_buffer(struct uvc_video_queue *queue,
@@ -660,10 +673,8 @@ void uvc_video_clock_update(struct uvc_streaming *stream,
/* Status */
extern int uvc_status_init(struct uvc_device *dev);
extern void uvc_status_cleanup(struct uvc_device *dev);
-extern int uvc_status_start(struct uvc_device *dev);
+extern int uvc_status_start(struct uvc_device *dev, gfp_t flags);
extern void uvc_status_stop(struct uvc_device *dev);
-extern int uvc_status_suspend(struct uvc_device *dev);
-extern int uvc_status_resume(struct uvc_device *dev);
/* Controls */
extern const struct v4l2_subscribed_event_ops uvc_ctrl_sub_ev_ops;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 21:13:49 +0000