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path: root/drivers/media/video
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Diffstat (limited to 'drivers/media/video')
-rw-r--r--drivers/media/video/uvc/uvc_driver.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c
index 7e102034d38..4a2d09988fa 100644
--- a/drivers/media/video/uvc/uvc_driver.c
+++ b/drivers/media/video/uvc/uvc_driver.c
@@ -1663,7 +1663,7 @@ static int uvc_suspend(struct usb_interface *intf, pm_message_t message)
return uvc_video_suspend(&dev->video);
}
-static int uvc_resume(struct usb_interface *intf)
+static int __uvc_resume(struct usb_interface *intf, int reset)
{
struct uvc_device *dev = usb_get_intfdata(intf);
int ret;
@@ -1672,7 +1672,7 @@ static int uvc_resume(struct usb_interface *intf)
intf->cur_altsetting->desc.bInterfaceNumber);
if (intf->cur_altsetting->desc.bInterfaceSubClass == SC_VIDEOCONTROL) {
- if ((ret = uvc_ctrl_resume_device(dev)) < 0)
+ if (reset && (ret = uvc_ctrl_resume_device(dev)) < 0)
return ret;
return uvc_status_resume(dev);
@@ -1687,6 +1687,16 @@ static int uvc_resume(struct usb_interface *intf)
return uvc_video_resume(&dev->video);
}
+static int uvc_resume(struct usb_interface *intf)
+{
+ return __uvc_resume(intf, 0);
+}
+
+static int uvc_reset_resume(struct usb_interface *intf)
+{
+ return __uvc_resume(intf, 1);
+}
+
/* ------------------------------------------------------------------------
* Driver initialization and cleanup
*/
@@ -1952,6 +1962,7 @@ struct uvc_driver uvc_driver = {
.disconnect = uvc_disconnect,
.suspend = uvc_suspend,
.resume = uvc_resume,
+ .reset_resume = uvc_reset_resume,
.id_table = uvc_ids,
.supports_autosuspend = 1,
},