diff options
Diffstat (limited to 'drivers/media/usb/uvc/uvc_driver.c')
| -rw-r--r-- | drivers/media/usb/uvc/uvc_driver.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c index 30163432a711..ab1e2fd0a599 100644 --- a/drivers/media/usb/uvc/uvc_driver.c +++ b/drivers/media/usb/uvc/uvc_driver.c @@ -1734,6 +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. */ @@ -2008,14 +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) @@ -2031,8 +2035,12 @@ 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_enable(&stream->queue, 0); + return ret; + } } uvc_trace(UVC_TRACE_SUSPEND, "Resume: video streaming USB interface " |