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path: root/drivers/media/video/uvc/uvc_driver.c
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Diffstat (limited to 'drivers/media/video/uvc/uvc_driver.c')
-rw-r--r--drivers/media/video/uvc/uvc_driver.c332
1 files changed, 146 insertions, 186 deletions
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index d7ad060640b..89d8bd10a85 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -12,8 +12,8 @@
*/
/*
- * This driver aims to support video input devices compliant with the 'USB
- * Video Class' specification.
+ * This driver aims to support video input and ouput devices compliant with the
+ * 'USB Video Class' specification.
*
* The driver doesn't support the deprecated v4l1 interface. It implements the
* mmap capture method only, and doesn't do any image format conversion in
@@ -32,6 +32,7 @@
#include <linux/vmalloc.h>
#include <linux/wait.h>
#include <asm/atomic.h>
+#include <asm/unaligned.h>
#include <media/v4l2-common.h>
@@ -43,6 +44,7 @@
#define DRIVER_VERSION "v0.1.0"
#endif
+unsigned int uvc_no_drop_param;
static unsigned int uvc_quirks_param;
unsigned int uvc_trace_param;
@@ -288,8 +290,10 @@ static int uvc_parse_format(struct uvc_device *dev,
struct uvc_format_desc *fmtdesc;
struct uvc_frame *frame;
const unsigned char *start = buffer;
+ unsigned char *_buffer;
unsigned int interval;
unsigned int i, n;
+ int _buflen;
__u8 ftype;
format->type = buffer[2];
@@ -410,12 +414,20 @@ static int uvc_parse_format(struct uvc_device *dev,
buflen -= buffer[0];
buffer += buffer[0];
+ /* Count the number of frame descriptors to test the bFrameIndex
+ * field when parsing the descriptors. We can't rely on the
+ * bNumFrameDescriptors field as some cameras don't initialize it
+ * properly.
+ */
+ for (_buflen = buflen, _buffer = buffer;
+ _buflen > 2 && _buffer[2] == ftype;
+ _buflen -= _buffer[0], _buffer += _buffer[0])
+ format->nframes++;
+
/* Parse the frame descriptors. Only uncompressed, MJPEG and frame
* based formats have frame descriptors.
*/
while (buflen > 2 && buffer[2] == ftype) {
- frame = &format->frame[format->nframes];
-
if (ftype != VS_FRAME_FRAME_BASED)
n = buflen > 25 ? buffer[25] : 0;
else
@@ -430,22 +442,32 @@ static int uvc_parse_format(struct uvc_device *dev,
return -EINVAL;
}
+ if (buffer[3] - 1 >= format->nframes) {
+ uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming"
+ "interface %d frame index %u out of range\n",
+ dev->udev->devnum, alts->desc.bInterfaceNumber,
+ buffer[3]);
+ return -EINVAL;
+ }
+
+ frame = &format->frame[buffer[3] - 1];
+
frame->bFrameIndex = buffer[3];
frame->bmCapabilities = buffer[4];
- frame->wWidth = le16_to_cpup((__le16 *)&buffer[5]);
- frame->wHeight = le16_to_cpup((__le16 *)&buffer[7]);
- frame->dwMinBitRate = le32_to_cpup((__le32 *)&buffer[9]);
- frame->dwMaxBitRate = le32_to_cpup((__le32 *)&buffer[13]);
+ frame->wWidth = get_unaligned_le16(&buffer[5]);
+ frame->wHeight = get_unaligned_le16(&buffer[7]);
+ frame->dwMinBitRate = get_unaligned_le32(&buffer[9]);
+ frame->dwMaxBitRate = get_unaligned_le32(&buffer[13]);
if (ftype != VS_FRAME_FRAME_BASED) {
frame->dwMaxVideoFrameBufferSize =
- le32_to_cpup((__le32 *)&buffer[17]);
+ get_unaligned_le32(&buffer[17]);
frame->dwDefaultFrameInterval =
- le32_to_cpup((__le32 *)&buffer[21]);
+ get_unaligned_le32(&buffer[21]);
frame->bFrameIntervalType = buffer[25];
} else {
frame->dwMaxVideoFrameBufferSize = 0;
frame->dwDefaultFrameInterval =
- le32_to_cpup((__le32 *)&buffer[17]);
+ get_unaligned_le32(&buffer[17]);
frame->bFrameIntervalType = buffer[21];
}
frame->dwFrameInterval = *intervals;
@@ -468,7 +490,7 @@ static int uvc_parse_format(struct uvc_device *dev,
* some other divisions by zero which could happen.
*/
for (i = 0; i < n; ++i) {
- interval = le32_to_cpup((__le32 *)&buffer[26+4*i]);
+ interval = get_unaligned_le32(&buffer[26+4*i]);
*(*intervals)++ = interval ? interval : 1;
}
@@ -486,7 +508,6 @@ static int uvc_parse_format(struct uvc_device *dev,
10000000/frame->dwDefaultFrameInterval,
(100000000/frame->dwDefaultFrameInterval)%10);
- format->nframes++;
buflen -= buffer[0];
buffer += buffer[0];
}
@@ -588,46 +609,55 @@ static int uvc_parse_streaming(struct uvc_device *dev,
}
/* Parse the header descriptor. */
- if (buffer[2] == VS_OUTPUT_HEADER) {
+ switch (buffer[2]) {
+ case VS_OUTPUT_HEADER:
+ streaming->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+ size = 9;
+ break;
+
+ case VS_INPUT_HEADER:
+ streaming->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ size = 13;
+ break;
+
+ default:
uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming interface "
- "%d OUTPUT HEADER descriptor is not supported.\n",
- dev->udev->devnum, alts->desc.bInterfaceNumber);
+ "%d HEADER descriptor not found.\n", dev->udev->devnum,
+ alts->desc.bInterfaceNumber);
goto error;
- } else if (buffer[2] == VS_INPUT_HEADER) {
- p = buflen >= 5 ? buffer[3] : 0;
- n = buflen >= 12 ? buffer[12] : 0;
+ }
- if (buflen < 13 + p*n || buffer[2] != VS_INPUT_HEADER) {
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
- "interface %d INPUT HEADER descriptor is "
- "invalid.\n", dev->udev->devnum,
- alts->desc.bInterfaceNumber);
- goto error;
- }
+ p = buflen >= 4 ? buffer[3] : 0;
+ n = buflen >= size ? buffer[size-1] : 0;
+
+ if (buflen < size + p*n) {
+ uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming "
+ "interface %d HEADER descriptor is invalid.\n",
+ dev->udev->devnum, alts->desc.bInterfaceNumber);
+ goto error;
+ }
- streaming->header.bNumFormats = p;
- streaming->header.bEndpointAddress = buffer[6];
+ streaming->header.bNumFormats = p;
+ streaming->header.bEndpointAddress = buffer[6];
+ if (buffer[2] == VS_INPUT_HEADER) {
streaming->header.bmInfo = buffer[7];
streaming->header.bTerminalLink = buffer[8];
streaming->header.bStillCaptureMethod = buffer[9];
streaming->header.bTriggerSupport = buffer[10];
streaming->header.bTriggerUsage = buffer[11];
- streaming->header.bControlSize = n;
-
- streaming->header.bmaControls = kmalloc(p*n, GFP_KERNEL);
- if (streaming->header.bmaControls == NULL) {
- ret = -ENOMEM;
- goto error;
- }
-
- memcpy(streaming->header.bmaControls, &buffer[13], p*n);
} else {
- uvc_trace(UVC_TRACE_DESCR, "device %d videostreaming interface "
- "%d HEADER descriptor not found.\n", dev->udev->devnum,
- alts->desc.bInterfaceNumber);
+ streaming->header.bTerminalLink = buffer[7];
+ }
+ streaming->header.bControlSize = n;
+
+ streaming->header.bmaControls = kmalloc(p*n, GFP_KERNEL);
+ if (streaming->header.bmaControls == NULL) {
+ ret = -ENOMEM;
goto error;
}
+ memcpy(streaming->header.bmaControls, &buffer[size], p*n);
+
buflen -= buffer[0];
buffer += buffer[0];
@@ -813,8 +843,7 @@ static int uvc_parse_vendor_control(struct uvc_device *dev,
unit->type = VC_EXTENSION_UNIT;
memcpy(unit->extension.guidExtensionCode, &buffer[4], 16);
unit->extension.bNumControls = buffer[20];
- unit->extension.bNrInPins =
- le16_to_cpup((__le16 *)&buffer[21]);
+ unit->extension.bNrInPins = get_unaligned_le16(&buffer[21]);
unit->extension.baSourceID = (__u8 *)unit + sizeof *unit;
memcpy(unit->extension.baSourceID, &buffer[22], p);
unit->extension.bControlSize = buffer[22+p];
@@ -858,8 +887,8 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
return -EINVAL;
}
- dev->uvc_version = le16_to_cpup((__le16 *)&buffer[3]);
- dev->clock_frequency = le32_to_cpup((__le32 *)&buffer[7]);
+ dev->uvc_version = get_unaligned_le16(&buffer[3]);
+ dev->clock_frequency = get_unaligned_le32(&buffer[7]);
/* Parse all USB Video Streaming interfaces. */
for (i = 0; i < n; ++i) {
@@ -886,7 +915,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
/* Make sure the terminal type MSB is not null, otherwise it
* could be confused with a unit.
*/
- type = le16_to_cpup((__le16 *)&buffer[4]);
+ type = get_unaligned_le16(&buffer[4]);
if ((type & 0xff00) == 0) {
uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
"interface %d INPUT_TERMINAL %d has invalid "
@@ -928,11 +957,11 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
term->camera.bControlSize = n;
term->camera.bmControls = (__u8 *)term + sizeof *term;
term->camera.wObjectiveFocalLengthMin =
- le16_to_cpup((__le16 *)&buffer[8]);
+ get_unaligned_le16(&buffer[8]);
term->camera.wObjectiveFocalLengthMax =
- le16_to_cpup((__le16 *)&buffer[10]);
+ get_unaligned_le16(&buffer[10]);
term->camera.wOcularFocalLength =
- le16_to_cpup((__le16 *)&buffer[12]);
+ get_unaligned_le16(&buffer[12]);
memcpy(term->camera.bmControls, &buffer[15], n);
} else if (UVC_ENTITY_TYPE(term) == ITT_MEDIA_TRANSPORT_INPUT) {
term->media.bControlSize = n;
@@ -968,7 +997,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
/* Make sure the terminal type MSB is not null, otherwise it
* could be confused with a unit.
*/
- type = le16_to_cpup((__le16 *)&buffer[4]);
+ type = get_unaligned_le16(&buffer[4]);
if ((type & 0xff00) == 0) {
uvc_trace(UVC_TRACE_DESCR, "device %d videocontrol "
"interface %d OUTPUT_TERMINAL %d has invalid "
@@ -1042,7 +1071,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
unit->type = buffer[2];
unit->processing.bSourceID = buffer[4];
unit->processing.wMaxMultiplier =
- le16_to_cpup((__le16 *)&buffer[5]);
+ get_unaligned_le16(&buffer[5]);
unit->processing.bControlSize = buffer[7];
unit->processing.bmControls = (__u8 *)unit + sizeof *unit;
memcpy(unit->processing.bmControls, &buffer[8], n);
@@ -1077,8 +1106,7 @@ static int uvc_parse_standard_control(struct uvc_device *dev,
unit->type = buffer[2];
memcpy(unit->extension.guidExtensionCode, &buffer[4], 16);
unit->extension.bNumControls = buffer[20];
- unit->extension.bNrInPins =
- le16_to_cpup((__le16 *)&buffer[21]);
+ unit->extension.bNrInPins = get_unaligned_le16(&buffer[21]);
unit->extension.baSourceID = (__u8 *)unit + sizeof *unit;
memcpy(unit->extension.baSourceID, &buffer[22], p);
unit->extension.bControlSize = buffer[22+p];
@@ -1128,8 +1156,13 @@ next_descriptor:
buffer += buffer[0];
}
- /* Check if the optional status endpoint is present. */
- if (alts->desc.bNumEndpoints == 1) {
+ /* Check if the optional status endpoint is present. Built-in iSight
+ * webcams have an interrupt endpoint but spit proprietary data that
+ * don't conform to the UVC status endpoint messages. Don't try to
+ * handle the interrupt endpoint for those cameras.
+ */
+ if (alts->desc.bNumEndpoints == 1 &&
+ !(dev->quirks & UVC_QUIRK_BUILTIN_ISIGHT)) {
struct usb_host_endpoint *ep = &alts->endpoint[0];
struct usb_endpoint_descriptor *desc = &ep->desc;
@@ -1234,6 +1267,26 @@ static int uvc_scan_chain_entity(struct uvc_video_device *video,
list_add_tail(&entity->chain, &video->iterms);
break;
+ case TT_STREAMING:
+ if (uvc_trace_param & UVC_TRACE_PROBE)
+ printk(" <- IT %d\n", entity->id);
+
+ if (!UVC_ENTITY_IS_ITERM(entity)) {
+ uvc_trace(UVC_TRACE_DESCR, "Unsupported input "
+ "terminal %u.\n", entity->id);
+ return -1;
+ }
+
+ if (video->sterm != NULL) {
+ uvc_trace(UVC_TRACE_DESCR, "Found multiple streaming "
+ "entities in chain.\n");
+ return -1;
+ }
+
+ list_add_tail(&entity->chain, &video->iterms);
+ video->sterm = entity;
+ break;
+
default:
uvc_trace(UVC_TRACE_DESCR, "Unsupported entity type "
"0x%04x found in chain.\n", UVC_ENTITY_TYPE(entity));
@@ -1344,6 +1397,10 @@ static int uvc_scan_chain(struct uvc_video_device *video)
entity = video->oterm;
uvc_trace(UVC_TRACE_PROBE, "Scanning UVC chain: OT %d", entity->id);
+
+ if (UVC_ENTITY_TYPE(entity) == TT_STREAMING)
+ video->sterm = entity;
+
id = entity->output.bSourceID;
while (id != 0) {
prev = entity;
@@ -1372,8 +1429,11 @@ static int uvc_scan_chain(struct uvc_video_device *video)
return id;
}
- /* Initialize the video buffers queue. */
- uvc_queue_init(&video->queue);
+ if (video->sterm == NULL) {
+ uvc_trace(UVC_TRACE_DESCR, "No streaming entity found in "
+ "chain.\n");
+ return -1;
+ }
return 0;
}
@@ -1384,7 +1444,8 @@ static int uvc_scan_chain(struct uvc_video_device *video)
* The driver currently supports a single video device per control interface
* only. The terminal and units must match the following structure:
*
- * ITT_CAMERA -> VC_PROCESSING_UNIT -> VC_EXTENSION_UNIT{0,n} -> TT_STREAMING
+ * ITT_* -> VC_PROCESSING_UNIT -> VC_EXTENSION_UNIT{0,n} -> TT_STREAMING
+ * TT_STREAMING -> VC_PROCESSING_UNIT -> VC_EXTENSION_UNIT{0,n} -> OTT_*
*
* The Extension Units, if present, must have a single input pin. The
* Processing Unit and Extension Units can be in any order. Additional
@@ -1401,7 +1462,7 @@ static int uvc_register_video(struct uvc_device *dev)
list_for_each_entry(term, &dev->entities, list) {
struct uvc_streaming *streaming;
- if (UVC_ENTITY_TYPE(term) != TT_STREAMING)
+ if (!UVC_ENTITY_IS_TERM(term) || !UVC_ENTITY_IS_OTERM(term))
continue;
memset(&dev->video, 0, sizeof dev->video);
@@ -1414,7 +1475,8 @@ static int uvc_register_video(struct uvc_device *dev)
continue;
list_for_each_entry(streaming, &dev->streaming, list) {
- if (streaming->header.bTerminalLink == term->id) {
+ if (streaming->header.bTerminalLink ==
+ dev->video.sterm->id) {
dev->video.streaming = streaming;
found = 1;
break;
@@ -1440,6 +1502,9 @@ static int uvc_register_video(struct uvc_device *dev)
printk(" -> %d).\n", dev->video.oterm->id);
}
+ /* Initialize the video buffers queue. */
+ uvc_queue_init(&dev->video.queue, dev->video.streaming->type);
+
/* Initialize the streaming interface with default streaming
* parameters.
*/
@@ -1707,24 +1772,6 @@ static int uvc_reset_resume(struct usb_interface *intf)
* though they are compliant.
*/
static struct usb_device_id uvc_ids[] = {
- /* ALi M5606 (Clevo M540SR) */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x0402,
- .idProduct = 0x5606,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Creative Live! Optia */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x041e,
- .idProduct = 0x4057,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
/* Microsoft Lifecam NX-6000 */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -1810,15 +1857,6 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_STREAM_NO_FID },
- /* Silicon Motion SM371 */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x090c,
- .idProduct = 0xb371,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
/* MT6227 */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -1837,6 +1875,15 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_STREAM_NO_FID },
+ /* Syntek (Samsung Q310) */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x174f,
+ .idProduct = 0x5931,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_QUIRK_STREAM_NO_FID },
/* Asus F9SG */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -1855,6 +1902,15 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_STREAM_NO_FID },
+ /* Lenovo Thinkpad SL500 */
+ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
+ | USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x17ef,
+ .idProduct = 0x480b,
+ .bInterfaceClass = USB_CLASS_VIDEO,
+ .bInterfaceSubClass = 1,
+ .bInterfaceProtocol = 0,
+ .driver_info = UVC_QUIRK_STREAM_NO_FID },
/* Ecamm Pico iMage */
{ .match_flags = USB_DEVICE_ID_MATCH_DEVICE
| USB_DEVICE_ID_MATCH_INT_INFO,
@@ -1884,106 +1940,8 @@ static struct usb_device_id uvc_ids[] = {
.bInterfaceSubClass = 1,
.bInterfaceProtocol = 0,
.driver_info = UVC_QUIRK_PROBE_MINMAX
- | UVC_QUIRK_IGNORE_SELECTOR_UNIT},
- /* Acer OEM Webcam - Unknown vendor */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0100,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Packard Bell OEM Webcam - Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0101,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Acer Crystal Eye webcam - Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0102,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Compaq Presario B1200 - Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0104,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Acer Travelmate 7720 - Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0105,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Medion Akoya Mini E1210 - Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0141,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Acer OrbiCam - Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0200,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Fujitsu Amilo SI2636 - Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0202,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Advent 4211 - Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0203,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0300,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
- /* Clevo M570TU - Bison Electronics */
- { .match_flags = USB_DEVICE_ID_MATCH_DEVICE
- | USB_DEVICE_ID_MATCH_INT_INFO,
- .idVendor = 0x5986,
- .idProduct = 0x0303,
- .bInterfaceClass = USB_CLASS_VIDEO,
- .bInterfaceSubClass = 1,
- .bInterfaceProtocol = 0,
- .driver_info = UVC_QUIRK_PROBE_MINMAX },
+ | UVC_QUIRK_IGNORE_SELECTOR_UNIT
+ | UVC_QUIRK_PRUNE_CONTROLS },
/* Generic USB Video Class */
{ USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, 0) },
{}
@@ -2029,6 +1987,8 @@ static void __exit uvc_cleanup(void)
module_init(uvc_init);
module_exit(uvc_cleanup);
+module_param_named(nodrop, uvc_no_drop_param, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(nodrop, "Don't drop incomplete frames");
module_param_named(quirks, uvc_quirks_param, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(quirks, "Forced device quirks");
module_param_named(trace, uvc_trace_param, uint, S_IRUGO|S_IWUSR);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-04 20:12:30 +0000