diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2010-01-21 05:39:47 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-05-25 19:50:49 -0300 |
| commit | 5a254d751e52e0f817090c29950d16cf18490d5b (patch) | |
| tree | 0f0d0076a6dbd478d3c0758bd339a93a6970bfee /drivers/media | |
| parent | 115d2535f8ced13503b62a1275338e09a51681dc (diff) | |
[media] uvcvideo: Register a v4l2_device
As a first step to the media controller integration register a
v4l2_device for each UVC control interface and make the video_device a
child of the v4l2_device.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/uvc/uvc_driver.c | 29 | ||||
| -rw-r--r-- | drivers/media/video/uvc/uvcvideo.h | 6 |
2 files changed, 33 insertions, 2 deletions
diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 823f4b389745..0e8cd1fd870f 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1585,6 +1585,13 @@ static void uvc_delete(struct uvc_device *dev) uvc_status_cleanup(dev); uvc_ctrl_cleanup_device(dev); + if (dev->vdev.dev) + v4l2_device_unregister(&dev->vdev); +#ifdef CONFIG_MEDIA_CONTROLLER + if (media_devnode_is_registered(&dev->mdev.devnode)) + media_device_unregister(&dev->mdev); +#endif + list_for_each_safe(p, n, &dev->chains) { struct uvc_video_chain *chain; chain = list_entry(p, struct uvc_video_chain, list); @@ -1682,7 +1689,7 @@ static int uvc_register_video(struct uvc_device *dev, * unregistered before the reference is released, so we don't need to * get another one. */ - vdev->parent = &dev->intf->dev; + vdev->v4l2_dev = &dev->vdev; vdev->fops = &uvc_fops; vdev->release = uvc_release; strlcpy(vdev->name, dev->name, sizeof vdev->name); @@ -1814,6 +1821,24 @@ static int uvc_probe(struct usb_interface *intf, "linux-uvc-devel mailing list.\n"); } + /* Register the media and V4L2 devices. */ +#ifdef CONFIG_MEDIA_CONTROLLER + dev->mdev.dev = &intf->dev; + strlcpy(dev->mdev.model, dev->name, sizeof(dev->mdev.model)); + if (udev->serial) + strlcpy(dev->mdev.serial, udev->serial, + sizeof(dev->mdev.serial)); + strcpy(dev->mdev.bus_info, udev->devpath); + dev->mdev.hw_revision = le16_to_cpu(udev->descriptor.bcdDevice); + dev->mdev.driver_version = DRIVER_VERSION_NUMBER; + if (media_device_register(&dev->mdev) < 0) + goto error; + + dev->vdev.mdev = &dev->mdev; +#endif + if (v4l2_device_register(&intf->dev, &dev->vdev) < 0) + goto error; + /* Initialize controls. */ if (uvc_ctrl_init_device(dev) < 0) goto error; @@ -1822,7 +1847,7 @@ static int uvc_probe(struct usb_interface *intf, if (uvc_scan_device(dev) < 0) goto error; - /* Register video devices. */ + /* Register video device nodes. */ if (uvc_register_chains(dev) < 0) goto error; diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index 7cf224bae2e5..aab7508f2bd2 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -100,6 +100,8 @@ struct uvc_xu_control { #include <linux/poll.h> #include <linux/usb/video.h> #include <linux/uvcvideo.h> +#include <media/media-device.h> +#include <media/v4l2-device.h> /* -------------------------------------------------------------------------- * UVC constants @@ -504,6 +506,10 @@ struct uvc_device { atomic_t nmappings; /* Video control interface */ +#ifdef CONFIG_MEDIA_CONTROLLER + struct media_device mdev; +#endif + struct v4l2_device vdev; __u16 uvc_version; __u32 clock_frequency; |