diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2010-01-21 05:39:52 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-05-25 19:50:58 -0300 |
| commit | 4ffc2d89f38a7fbb3b24adb7fb066a159c351c11 (patch) | |
| tree | e325f7ab0e917bd3bae8e7217107e7d0d0cceeeb /drivers/media/video/uvc/uvcvideo.h | |
| parent | 5a254d751e52e0f817090c29950d16cf18490d5b (diff) | |
[media] uvcvideo: Register subdevices for each entity
Userspace applications can now discover the UVC device topology using
the media controller API.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/uvc/uvcvideo.h')
| -rw-r--r-- | drivers/media/video/uvc/uvcvideo.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index aab7508f2bd2..3906f6ed4061 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -98,6 +98,7 @@ struct uvc_xu_control { #ifdef __KERNEL__ #include <linux/poll.h> +#include <linux/usb.h> #include <linux/usb/video.h> #include <linux/uvcvideo.h> #include <media/media-device.h> @@ -303,6 +304,12 @@ struct uvc_entity { __u16 type; char name[64]; + /* Media controller-related fields. */ + struct v4l2_subdev subdev; + unsigned int num_pads; + unsigned int num_links; + struct media_pad *pads; + union { struct { __u16 wObjectiveFocalLengthMin; @@ -589,6 +596,8 @@ extern unsigned int uvc_timeout_param; /* Core driver */ extern struct uvc_driver uvc_driver; +extern struct uvc_entity *uvc_entity_by_id(struct uvc_device *dev, int id); + /* Video buffers queue management. */ extern void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type, int drop_corrupted); @@ -622,6 +631,10 @@ static inline int uvc_queue_streaming(struct uvc_video_queue *queue) /* V4L2 interface */ extern const struct v4l2_file_operations uvc_fops; +/* Media controller */ +extern int uvc_mc_register_entities(struct uvc_video_chain *chain); +extern void uvc_mc_cleanup_entity(struct uvc_entity *entity); + /* Video */ extern int uvc_video_init(struct uvc_streaming *stream); extern int uvc_video_suspend(struct uvc_streaming *stream); |