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path: root/drivers/usb
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-rw-r--r--drivers/usb/gadget/f_uvc.c9
-rw-r--r--drivers/usb/gadget/uvc.h2
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/usb/gadget/f_uvc.c b/drivers/usb/gadget/f_uvc.c
index 5f91c7a59946..e2a1f50bd93c 100644
--- a/drivers/usb/gadget/f_uvc.c
+++ b/drivers/usb/gadget/f_uvc.c
@@ -406,7 +406,7 @@ uvc_register_video(struct uvc_device *uvc)
if (video == NULL)
return -ENOMEM;
- video->parent = &cdev->gadget->dev;
+ video->v4l2_dev = &uvc->v4l2_dev;
video->fops = &uvc_v4l2_fops;
video->release = video_device_release;
strlcpy(video->name, cdev->gadget->name, sizeof(video->name));
@@ -563,6 +563,7 @@ uvc_function_unbind(struct usb_configuration *c, struct usb_function *f)
INFO(cdev, "uvc_function_unbind\n");
video_unregister_device(uvc->vdev);
+ v4l2_device_unregister(&uvc->v4l2_dev);
uvc->control_ep->driver_data = NULL;
uvc->video.ep->driver_data = NULL;
@@ -690,6 +691,11 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f)
if ((ret = usb_function_deactivate(f)) < 0)
goto error;
+ if (v4l2_device_register(&cdev->gadget->dev, &uvc->v4l2_dev)) {
+ printk(KERN_INFO "v4l2_device_register failed\n");
+ goto error;
+ }
+
/* Initialise video. */
ret = uvc_video_init(&uvc->video);
if (ret < 0)
@@ -705,6 +711,7 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f)
return 0;
error:
+ v4l2_device_unregister(&uvc->v4l2_dev);
if (uvc->vdev)
video_device_release(uvc->vdev);
diff --git a/drivers/usb/gadget/uvc.h b/drivers/usb/gadget/uvc.h
index 817e9e19cecf..7a9111de8054 100644
--- a/drivers/usb/gadget/uvc.h
+++ b/drivers/usb/gadget/uvc.h
@@ -57,6 +57,7 @@ struct uvc_event
#include <linux/videodev2.h>
#include <linux/version.h>
#include <media/v4l2-fh.h>
+#include <media/v4l2-device.h>
#include "uvc_queue.h"
@@ -145,6 +146,7 @@ enum uvc_state
struct uvc_device
{
struct video_device *vdev;
+ struct v4l2_device v4l2_dev;
enum uvc_state state;
struct usb_function func;
struct uvc_video video;