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authorHans Verkuil <hans.verkuil@cisco.com>2013-06-12 13:02:38 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-06-21 18:04:47 +0400
commitb60f9aa1a9fcf69df963c1f06ee0594d836f6760 (patch)
tree1a3b86d5fae708a3572d42cd38b06f39cb18d3f3 /drivers/usb
parenta28fbd04facbffe9374f25c3a19c54ce4f186361 (diff)
downloadlinux-b60f9aa1a9fcf69df963c1f06ee0594d836f6760.tar.xz
[media] f_uvc: add v4l2_device and replace parent with v4l2_dev
This driver did not yet support struct v4l2_device, so add it. This make it possible to replace the deprecated parent field with the v4l2_dev field, allowing the eventual removal of the parent field. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/usb')
-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 38dcedddc52c..1d06567ff41e 100644
--- a/drivers/usb/gadget/f_uvc.c
+++ b/drivers/usb/gadget/f_uvc.c
@@ -413,7 +413,7 @@ 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));
@@ -570,6 +570,7 @@ 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;
@@ -697,6 +698,11 @@ 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)
@@ -712,6 +718,7 @@ 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;