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path: root/drivers/media/usb/uvc
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Diffstat (limited to 'drivers/media/usb/uvc')
-rw-r--r--drivers/media/usb/uvc/uvc_driver.c137
-rw-r--r--drivers/media/usb/uvc/uvc_v4l2.c79
-rw-r--r--drivers/media/usb/uvc/uvc_video.c20
-rw-r--r--drivers/media/usb/uvc/uvcvideo.h12
4 files changed, 161 insertions, 87 deletions
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index d631ce4f9f7b..08fcd2ffa727 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -184,7 +184,7 @@ static void uvc_stream_delete(struct uvc_streaming *stream)
usb_put_intf(stream->intf);
- kfree(stream->format);
+ kfree(stream->formats);
kfree(stream->header.bmaControls);
kfree(stream);
}
@@ -221,7 +221,8 @@ static struct uvc_streaming *uvc_stream_new(struct uvc_device *dev,
static int uvc_parse_format(struct uvc_device *dev,
struct uvc_streaming *streaming, struct uvc_format *format,
- u32 **intervals, unsigned char *buffer, int buflen)
+ struct uvc_frame *frames, u32 **intervals, const unsigned char *buffer,
+ int buflen)
{
struct usb_interface *intf = streaming->intf;
struct usb_host_interface *alts = intf->cur_altsetting;
@@ -235,6 +236,7 @@ static int uvc_parse_format(struct uvc_device *dev,
format->type = buffer[2];
format->index = buffer[3];
+ format->frames = frames;
switch (buffer[2]) {
case UVC_VS_FORMAT_UNCOMPRESSED:
@@ -339,8 +341,8 @@ static int uvc_parse_format(struct uvc_device *dev,
ftype = 0;
/* Create a dummy frame descriptor. */
- frame = &format->frame[0];
- memset(&format->frame[0], 0, sizeof(format->frame[0]));
+ frame = &frames[0];
+ memset(frame, 0, sizeof(*frame));
frame->bFrameIntervalType = 1;
frame->dwDefaultFrameInterval = 1;
frame->dwFrameInterval = *intervals;
@@ -370,7 +372,9 @@ static int uvc_parse_format(struct uvc_device *dev,
*/
while (buflen > 2 && buffer[1] == USB_DT_CS_INTERFACE &&
buffer[2] == ftype) {
- frame = &format->frame[format->nframes];
+ unsigned int maxIntervalIndex;
+
+ frame = &frames[format->nframes];
if (ftype != UVC_VS_FRAME_FRAME_BASED)
n = buflen > 25 ? buffer[25] : 0;
else
@@ -405,8 +409,27 @@ static int uvc_parse_format(struct uvc_device *dev,
get_unaligned_le32(&buffer[17]);
frame->bFrameIntervalType = buffer[21];
}
+
+ /*
+ * Copy the frame intervals.
+ *
+ * Some bogus devices report dwMinFrameInterval equal to
+ * dwMaxFrameInterval and have dwFrameIntervalStep set to
+ * zero. Setting all null intervals to 1 fixes the problem and
+ * some other divisions by zero that could happen.
+ */
frame->dwFrameInterval = *intervals;
+ for (i = 0; i < n; ++i) {
+ interval = get_unaligned_le32(&buffer[26+4*i]);
+ (*intervals)[i] = interval ? interval : 1;
+ }
+
+ /*
+ * Apply more fixes, quirks and workarounds to handle incorrect
+ * or broken descriptors.
+ */
+
/*
* Several UVC chipsets screw up dwMaxVideoFrameBufferSize
* completely. Observed behaviours range from setting the
@@ -421,30 +444,25 @@ static int uvc_parse_format(struct uvc_device *dev,
* frame->wWidth * frame->wHeight / 8;
/*
- * Some bogus devices report dwMinFrameInterval equal to
- * dwMaxFrameInterval and have dwFrameIntervalStep set to
- * zero. Setting all null intervals to 1 fixes the problem and
- * some other divisions by zero that could happen.
+ * Clamp the default frame interval to the boundaries. A zero
+ * bFrameIntervalType value indicates a continuous frame
+ * interval range, with dwFrameInterval[0] storing the minimum
+ * value and dwFrameInterval[1] storing the maximum value.
*/
- for (i = 0; i < n; ++i) {
- interval = get_unaligned_le32(&buffer[26+4*i]);
- *(*intervals)++ = interval ? interval : 1;
- }
+ maxIntervalIndex = frame->bFrameIntervalType ? n - 1 : 1;
+ frame->dwDefaultFrameInterval =
+ clamp(frame->dwDefaultFrameInterval,
+ frame->dwFrameInterval[0],
+ frame->dwFrameInterval[maxIntervalIndex]);
/*
- * Make sure that the default frame interval stays between
- * the boundaries.
+ * Some devices report frame intervals that are not functional.
+ * If the corresponding quirk is set, restrict operation to the
+ * first interval only.
*/
- n -= frame->bFrameIntervalType ? 1 : 2;
- frame->dwDefaultFrameInterval =
- min(frame->dwFrameInterval[n],
- max(frame->dwFrameInterval[0],
- frame->dwDefaultFrameInterval));
-
if (dev->quirks & UVC_QUIRK_RESTRICT_FRAME_RATE) {
frame->bFrameIntervalType = 1;
- frame->dwFrameInterval[0] =
- frame->dwDefaultFrameInterval;
+ (*intervals)[0] = frame->dwDefaultFrameInterval;
}
uvc_dbg(dev, DESCR, "- %ux%u (%u.%u fps)\n",
@@ -453,6 +471,8 @@ static int uvc_parse_format(struct uvc_device *dev,
(100000000 / frame->dwDefaultFrameInterval) % 10);
format->nframes++;
+ *intervals += n;
+
buflen -= buffer[0];
buffer += buffer[0];
}
@@ -493,7 +513,7 @@ static int uvc_parse_streaming(struct uvc_device *dev,
struct uvc_format *format;
struct uvc_frame *frame;
struct usb_host_interface *alts = &intf->altsetting[0];
- unsigned char *_buffer, *buffer = alts->extra;
+ const unsigned char *_buffer, *buffer = alts->extra;
int _buflen, buflen = alts->extralen;
unsigned int nformats = 0, nframes = 0, nintervals = 0;
unsigned int size, i, n, p;
@@ -677,7 +697,7 @@ static int uvc_parse_streaming(struct uvc_device *dev,
frame = (struct uvc_frame *)&format[nformats];
interval = (u32 *)&frame[nframes];
- streaming->format = format;
+ streaming->formats = format;
streaming->nformats = 0;
/* Parse the format descriptors. */
@@ -687,8 +707,7 @@ static int uvc_parse_streaming(struct uvc_device *dev,
case UVC_VS_FORMAT_MJPEG:
case UVC_VS_FORMAT_DV:
case UVC_VS_FORMAT_FRAME_BASED:
- format->frame = frame;
- ret = uvc_parse_format(dev, streaming, format,
+ ret = uvc_parse_format(dev, streaming, format, frame,
&interval, buffer, buflen);
if (ret < 0)
goto error;
@@ -1147,7 +1166,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
static int uvc_parse_control(struct uvc_device *dev)
{
struct usb_host_interface *alts = dev->intf->cur_altsetting;
- unsigned char *buffer = alts->extra;
+ const unsigned char *buffer = alts->extra;
int buflen = alts->extralen;
int ret;
@@ -3011,15 +3030,33 @@ static const struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_limited },
- /* Acer EasyCamera */
+ /* Intel D410/ASR depth camera */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x1180,
+ .idVendor = 0x8086,
+ .idProduct = 0x0ad2,
.bInterfaceClass = USB_CLASS_VIDEO,
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
- .driver_info = (kernel_ulong_t)&uvc_ctrl_power_line_limited },
+ .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
+ /* Intel D415/ASRC depth camera */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x8086,
+ .idProduct = 0x0ad3,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
+ /* Intel D430/AWG depth camera */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x8086,
+ .idProduct = 0x0ad4,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
/* Intel RealSense D4M */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -3029,6 +3066,42 @@ static const struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
+ /* Intel D435/AWGC depth camera */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x8086,
+ .idProduct = 0x0b07,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
+ /* Intel D435i depth camera */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x8086,
+ .idProduct = 0x0b3a,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
+ /* Intel D405 Depth Camera */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x8086,
+ .idProduct = 0x0b5b,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
+ /* Intel D455 Depth Camera */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x8086,
+ .idProduct = 0x0b5c,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) },
/* Generic USB Video Class */
{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_UNDEFINED) },
{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) },
diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 35453f81c1d9..5ac2a424b13d 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -161,7 +161,7 @@ free_map:
* the Video Probe and Commit negotiation, but some hardware don't implement
* that feature.
*/
-static u32 uvc_try_frame_interval(struct uvc_frame *frame, u32 interval)
+static u32 uvc_try_frame_interval(const struct uvc_frame *frame, u32 interval)
{
unsigned int i;
@@ -210,10 +210,11 @@ static u32 uvc_v4l2_get_bytesperline(const struct uvc_format *format,
static int uvc_v4l2_try_format(struct uvc_streaming *stream,
struct v4l2_format *fmt, struct uvc_streaming_control *probe,
- struct uvc_format **uvc_format, struct uvc_frame **uvc_frame)
+ const struct uvc_format **uvc_format,
+ const struct uvc_frame **uvc_frame)
{
- struct uvc_format *format = NULL;
- struct uvc_frame *frame = NULL;
+ const struct uvc_format *format = NULL;
+ const struct uvc_frame *frame = NULL;
u16 rw, rh;
unsigned int d, maxd;
unsigned int i;
@@ -235,7 +236,7 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
* format otherwise.
*/
for (i = 0; i < stream->nformats; ++i) {
- format = &stream->format[i];
+ format = &stream->formats[i];
if (format->fcc == fmt->fmt.pix.pixelformat)
break;
}
@@ -255,14 +256,14 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
maxd = (unsigned int)-1;
for (i = 0; i < format->nframes; ++i) {
- u16 w = format->frame[i].wWidth;
- u16 h = format->frame[i].wHeight;
+ u16 w = format->frames[i].wWidth;
+ u16 h = format->frames[i].wHeight;
d = min(w, rw) * min(h, rh);
d = w*h + rw*rh - 2*d;
if (d < maxd) {
maxd = d;
- frame = &format->frame[i];
+ frame = &format->frames[i];
}
if (maxd == 0)
@@ -319,8 +320,8 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
* accepted the requested format as-is.
*/
for (i = 0; i < stream->nformats; ++i) {
- if (probe->bFormatIndex == stream->format[i].index) {
- format = &stream->format[i];
+ if (probe->bFormatIndex == stream->formats[i].index) {
+ format = &stream->formats[i];
break;
}
}
@@ -331,8 +332,8 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
probe->bFormatIndex);
for (i = 0; i < format->nframes; ++i) {
- if (probe->bFrameIndex == format->frame[i].bFrameIndex) {
- frame = &format->frame[i];
+ if (probe->bFrameIndex == format->frames[i].bFrameIndex) {
+ frame = &format->frames[i];
break;
}
}
@@ -363,8 +364,8 @@ static int uvc_v4l2_try_format(struct uvc_streaming *stream,
static int uvc_v4l2_get_format(struct uvc_streaming *stream,
struct v4l2_format *fmt)
{
- struct uvc_format *format;
- struct uvc_frame *frame;
+ const struct uvc_format *format;
+ const struct uvc_frame *frame;
int ret = 0;
if (fmt->type != stream->type)
@@ -398,8 +399,8 @@ static int uvc_v4l2_set_format(struct uvc_streaming *stream,
struct v4l2_format *fmt)
{
struct uvc_streaming_control probe;
- struct uvc_format *format;
- struct uvc_frame *frame;
+ const struct uvc_format *format;
+ const struct uvc_frame *frame;
int ret;
if (fmt->type != stream->type)
@@ -465,8 +466,8 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream,
{
struct uvc_streaming_control probe;
struct v4l2_fract timeperframe;
- struct uvc_format *format;
- struct uvc_frame *frame;
+ const struct uvc_format *format;
+ const struct uvc_frame *frame;
u32 interval, maxd;
unsigned int i;
int ret;
@@ -501,19 +502,19 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream,
for (i = 0; i < format->nframes && maxd != 0; i++) {
u32 d, ival;
- if (&format->frame[i] == stream->cur_frame)
+ if (&format->frames[i] == stream->cur_frame)
continue;
- if (format->frame[i].wWidth != stream->cur_frame->wWidth ||
- format->frame[i].wHeight != stream->cur_frame->wHeight)
+ if (format->frames[i].wWidth != stream->cur_frame->wWidth ||
+ format->frames[i].wHeight != stream->cur_frame->wHeight)
continue;
- ival = uvc_try_frame_interval(&format->frame[i], interval);
+ ival = uvc_try_frame_interval(&format->frames[i], interval);
d = abs((s32)ival - interval);
if (d >= maxd)
continue;
- frame = &format->frame[i];
+ frame = &format->frames[i];
probe.bFrameIndex = frame->bFrameIndex;
probe.dwFrameInterval = ival;
maxd = d;
@@ -697,7 +698,7 @@ static int uvc_ioctl_querycap(struct file *file, void *fh,
static int uvc_ioctl_enum_fmt(struct uvc_streaming *stream,
struct v4l2_fmtdesc *fmt)
{
- struct uvc_format *format;
+ const struct uvc_format *format;
enum v4l2_buf_type type = fmt->type;
u32 index = fmt->index;
@@ -708,7 +709,7 @@ static int uvc_ioctl_enum_fmt(struct uvc_streaming *stream,
fmt->index = index;
fmt->type = type;
- format = &stream->format[fmt->index];
+ format = &stream->formats[fmt->index];
fmt->flags = 0;
if (format->flags & UVC_FMT_FLAG_COMPRESSED)
fmt->flags |= V4L2_FMT_FLAG_COMPRESSED;
@@ -1249,15 +1250,15 @@ static int uvc_ioctl_enum_framesizes(struct file *file, void *fh,
{
struct uvc_fh *handle = fh;
struct uvc_streaming *stream = handle->stream;
- struct uvc_format *format = NULL;
- struct uvc_frame *frame = NULL;
+ const struct uvc_format *format = NULL;
+ const struct uvc_frame *frame = NULL;
unsigned int index;
unsigned int i;
/* Look for the given pixel format */
for (i = 0; i < stream->nformats; i++) {
- if (stream->format[i].fcc == fsize->pixel_format) {
- format = &stream->format[i];
+ if (stream->formats[i].fcc == fsize->pixel_format) {
+ format = &stream->formats[i];
break;
}
}
@@ -1266,10 +1267,10 @@ static int uvc_ioctl_enum_framesizes(struct file *file, void *fh,
/* Skip duplicate frame sizes */
for (i = 0, index = 0; i < format->nframes; i++) {
- if (frame && frame->wWidth == format->frame[i].wWidth &&
- frame->wHeight == format->frame[i].wHeight)
+ if (frame && frame->wWidth == format->frames[i].wWidth &&
+ frame->wHeight == format->frames[i].wHeight)
continue;
- frame = &format->frame[i];
+ frame = &format->frames[i];
if (index == fsize->index)
break;
index++;
@@ -1289,16 +1290,16 @@ static int uvc_ioctl_enum_frameintervals(struct file *file, void *fh,
{
struct uvc_fh *handle = fh;
struct uvc_streaming *stream = handle->stream;
- struct uvc_format *format = NULL;
- struct uvc_frame *frame = NULL;
+ const struct uvc_format *format = NULL;
+ const struct uvc_frame *frame = NULL;
unsigned int nintervals;
unsigned int index;
unsigned int i;
/* Look for the given pixel format and frame size */
for (i = 0; i < stream->nformats; i++) {
- if (stream->format[i].fcc == fival->pixel_format) {
- format = &stream->format[i];
+ if (stream->formats[i].fcc == fival->pixel_format) {
+ format = &stream->formats[i];
break;
}
}
@@ -1307,9 +1308,9 @@ static int uvc_ioctl_enum_frameintervals(struct file *file, void *fh,
index = fival->index;
for (i = 0; i < format->nframes; i++) {
- if (format->frame[i].wWidth == fival->width &&
- format->frame[i].wHeight == fival->height) {
- frame = &format->frame[i];
+ if (format->frames[i].wWidth == fival->width &&
+ format->frames[i].wHeight == fival->height) {
+ frame = &format->frames[i];
nintervals = frame->bFrameIntervalType ?: 1;
if (index < nintervals)
break;
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c
index d4b023d4de7c..28dde08ec6c5 100644
--- a/drivers/media/usb/uvc/uvc_video.c
+++ b/drivers/media/usb/uvc/uvc_video.c
@@ -137,8 +137,8 @@ static const struct usb_device_id elgato_cam_link_4k = {
static void uvc_fixup_video_ctrl(struct uvc_streaming *stream,
struct uvc_streaming_control *ctrl)
{
- struct uvc_format *format = NULL;
- struct uvc_frame *frame = NULL;
+ const struct uvc_format *format = NULL;
+ const struct uvc_frame *frame = NULL;
unsigned int i;
/*
@@ -166,8 +166,8 @@ static void uvc_fixup_video_ctrl(struct uvc_streaming *stream,
}
for (i = 0; i < stream->nformats; ++i) {
- if (stream->format[i].index == ctrl->bFormatIndex) {
- format = &stream->format[i];
+ if (stream->formats[i].index == ctrl->bFormatIndex) {
+ format = &stream->formats[i];
break;
}
}
@@ -176,8 +176,8 @@ static void uvc_fixup_video_ctrl(struct uvc_streaming *stream,
return;
for (i = 0; i < format->nframes; ++i) {
- if (format->frame[i].bFrameIndex == ctrl->bFrameIndex) {
- frame = &format->frame[i];
+ if (format->frames[i].bFrameIndex == ctrl->bFrameIndex) {
+ frame = &format->frames[i];
break;
}
}
@@ -2100,8 +2100,8 @@ int uvc_video_resume(struct uvc_streaming *stream, int reset)
int uvc_video_init(struct uvc_streaming *stream)
{
struct uvc_streaming_control *probe = &stream->ctrl;
- struct uvc_format *format = NULL;
- struct uvc_frame *frame = NULL;
+ const struct uvc_format *format = NULL;
+ const struct uvc_frame *frame = NULL;
struct uvc_urb *uvc_urb;
unsigned int i;
int ret;
@@ -2161,7 +2161,7 @@ int uvc_video_init(struct uvc_streaming *stream)
* available format otherwise.
*/
for (i = stream->nformats; i > 0; --i) {
- format = &stream->format[i-1];
+ format = &stream->formats[i-1];
if (format->index == probe->bFormatIndex)
break;
}
@@ -2179,7 +2179,7 @@ int uvc_video_init(struct uvc_streaming *stream)
* descriptor is not found, use the first available frame.
*/
for (i = format->nframes; i > 0; --i) {
- frame = &format->frame[i-1];
+ frame = &format->frames[i-1];
if (frame->bFrameIndex == probe->bFrameIndex)
break;
}
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 9a596c8d894a..6fb0a78b1b00 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -251,7 +251,7 @@ struct uvc_frame {
u32 dwMaxVideoFrameBufferSize;
u8 bFrameIntervalType;
u32 dwDefaultFrameInterval;
- u32 *dwFrameInterval;
+ const u32 *dwFrameInterval;
};
struct uvc_format {
@@ -265,7 +265,7 @@ struct uvc_format {
u32 flags;
unsigned int nframes;
- struct uvc_frame *frame;
+ const struct uvc_frame *frames;
};
struct uvc_streaming_header {
@@ -438,12 +438,12 @@ struct uvc_streaming {
enum v4l2_buf_type type;
unsigned int nformats;
- struct uvc_format *format;
+ const struct uvc_format *formats;
struct uvc_streaming_control ctrl;
- struct uvc_format *def_format;
- struct uvc_format *cur_format;
- struct uvc_frame *cur_frame;
+ const struct uvc_format *def_format;
+ const struct uvc_format *cur_format;
+ const struct uvc_frame *cur_frame;
/*
* Protect access to ctrl, cur_format, cur_frame and hardware video
generated by cgit v1.2.3-70-g09d2 (git 2.51.1) at 2025-10-24 21:50:31 +0000