diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_driver.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_driver.c | 51 |
1 files changed, 43 insertions, 8 deletions
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 7c8322d4fc63..6a4b0b8cd270 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -331,6 +331,7 @@ static int uvc_parse_format(struct uvc_device *dev, struct uvc_format_desc *fmtdesc; struct uvc_frame *frame; const unsigned char *start = buffer; + unsigned int width_multiplier = 1; unsigned int interval; unsigned int i, n; __u8 ftype; @@ -366,6 +367,20 @@ static int uvc_parse_format(struct uvc_device *dev, } format->bpp = buffer[21]; + + /* Some devices report a format that doesn't match what they + * really send. + */ + if (dev->quirks & UVC_QUIRK_FORCE_Y8) { + if (format->fcc == V4L2_PIX_FMT_YUYV) { + strlcpy(format->name, "Greyscale 8-bit (Y8 )", + sizeof(format->name)); + format->fcc = V4L2_PIX_FMT_GREY; + format->bpp = 8; + width_multiplier = 2; + } + } + if (buffer[2] == UVC_VS_FORMAT_UNCOMPRESSED) { ftype = UVC_VS_FRAME_UNCOMPRESSED; } else { @@ -474,7 +489,8 @@ static int uvc_parse_format(struct uvc_device *dev, frame->bFrameIndex = buffer[3]; frame->bmCapabilities = buffer[4]; - frame->wWidth = get_unaligned_le16(&buffer[5]); + frame->wWidth = get_unaligned_le16(&buffer[5]) + * width_multiplier; frame->wHeight = get_unaligned_le16(&buffer[7]); frame->dwMinBitRate = get_unaligned_le32(&buffer[9]); frame->dwMaxBitRate = get_unaligned_le32(&buffer[13]); @@ -1623,12 +1639,12 @@ static void uvc_delete(struct uvc_device *dev) { struct list_head *p, *n; - usb_put_intf(dev->intf); - usb_put_dev(dev->udev); - uvc_status_cleanup(dev); uvc_ctrl_cleanup_device(dev); + usb_put_intf(dev->intf); + usb_put_dev(dev->udev); + if (dev->vdev.dev) v4l2_device_unregister(&dev->vdev); #ifdef CONFIG_MEDIA_CONTROLLER @@ -1718,6 +1734,11 @@ static int uvc_register_video(struct uvc_device *dev, struct video_device *vdev; int ret; + /* Initialize the video buffers queue. */ + ret = uvc_queue_init(&stream->queue, stream->type, !uvc_no_drop_param); + if (ret) + return ret; + /* Initialize the streaming interface with default streaming * parameters. */ @@ -1744,6 +1765,7 @@ static int uvc_register_video(struct uvc_device *dev, */ vdev->v4l2_dev = &dev->vdev; vdev->fops = &uvc_fops; + vdev->ioctl_ops = &uvc_ioctl_ops; vdev->release = uvc_release; vdev->prio = &stream->chain->prio; if (stream->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) @@ -1991,14 +2013,13 @@ static int __uvc_resume(struct usb_interface *intf, int reset) { struct uvc_device *dev = usb_get_intfdata(intf); struct uvc_streaming *stream; + int ret = 0; uvc_trace(UVC_TRACE_SUSPEND, "Resuming interface %u\n", intf->cur_altsetting->desc.bInterfaceNumber); if (intf->cur_altsetting->desc.bInterfaceSubClass == UVC_SC_VIDEOCONTROL) { - int ret = 0; - if (reset) { ret = uvc_ctrl_restore_values(dev); if (ret < 0) @@ -2014,8 +2035,13 @@ static int __uvc_resume(struct usb_interface *intf, int reset) } list_for_each_entry(stream, &dev->streams, list) { - if (stream->intf == intf) - return uvc_video_resume(stream, reset); + if (stream->intf == intf) { + ret = uvc_video_resume(stream, reset); + if (ret < 0) + uvc_queue_streamoff(&stream->queue, + stream->queue.queue.type); + return ret; + } } uvc_trace(UVC_TRACE_SUSPEND, "Resume: video streaming USB interface " @@ -2504,6 +2530,15 @@ static struct usb_device_id uvc_ids[] = { .bInterfaceProtocol = 0, .driver_info = UVC_QUIRK_PROBE_MINMAX | UVC_QUIRK_IGNORE_SELECTOR_UNIT }, + /* Oculus VR Positional Tracker DK2 */ + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x2833, + .idProduct = 0x0201, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = UVC_QUIRK_FORCE_Y8 }, /* Generic USB Video Class */ { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, 0) }, {} |