summaryrefslogtreecommitdiff
path: root/include/media/v4l2-dev.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/media/v4l2-dev.h')
-rw-r--r--include/media/v4l2-dev.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 2dee93892ea2..1efcacbed01a 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -27,11 +27,13 @@
struct v4l2_ioctl_callbacks;
struct video_device;
struct v4l2_device;
+struct v4l2_ctrl_handler;
/* Flag to mark the video_device struct as registered.
Drivers can clear this flag if they want to block all future
device access. It is cleared by video_unregister_device. */
#define V4L2_FL_REGISTERED (0)
+#define V4L2_FL_USES_V4L2_FH (1)
struct v4l2_file_operations {
struct module *owner;
@@ -66,6 +68,9 @@ struct video_device
struct device *parent; /* device parent */
struct v4l2_device *v4l2_dev; /* v4l2_device parent */
+ /* Control handler associated with this device node. May be NULL. */
+ struct v4l2_ctrl_handler *ctrl_handler;
+
/* device info */
char name[32];
int vfl_type;
@@ -77,6 +82,10 @@ struct video_device
/* attribute to differentiate multiple indices on one physical device */
int index;
+ /* V4L2 file handles */
+ spinlock_t fh_lock; /* Lock for all v4l2_fhs */
+ struct list_head fh_list; /* List of struct v4l2_fh */
+
int debug; /* Activates debug level*/
/* Video standard vars */