aboutsummaryrefslogtreecommitdiffstats
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.h15
1 files changed, 14 insertions, 1 deletions
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 0a88d1d17d30..e36faab8459b 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -25,6 +25,7 @@
25#define VFL_TYPE_MAX 4 25#define VFL_TYPE_MAX 4
26 26
27struct v4l2_ioctl_callbacks; 27struct v4l2_ioctl_callbacks;
28struct video_device;
28struct v4l2_device; 29struct v4l2_device;
29 30
30/* Flag to mark the video_device struct as unregistered. 31/* Flag to mark the video_device struct as unregistered.
@@ -32,6 +33,18 @@ struct v4l2_device;
32 device access. It is set by video_unregister_device. */ 33 device access. It is set by video_unregister_device. */
33#define V4L2_FL_UNREGISTERED (0) 34#define V4L2_FL_UNREGISTERED (0)
34 35
36struct v4l2_file_operations {
37 struct module *owner;
38 ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
39 ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
40 unsigned int (*poll) (struct file *, struct poll_table_struct *);
41 long (*ioctl) (struct file *, unsigned int, unsigned long);
42 long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
43 int (*mmap) (struct file *, struct vm_area_struct *);
44 int (*open) (struct file *);
45 int (*release) (struct file *);
46};
47
35/* 48/*
36 * Newer version of video_device, handled by videodev2.c 49 * Newer version of video_device, handled by videodev2.c
37 * This version moves redundant code from video device code to 50 * This version moves redundant code from video device code to
@@ -41,7 +54,7 @@ struct v4l2_device;
41struct video_device 54struct video_device
42{ 55{
43 /* device ops */ 56 /* device ops */
44 const struct file_operations *fops; 57 const struct v4l2_file_operations *fops;
45 58
46 /* sysfs */ 59 /* sysfs */
47 struct device dev; /* v4l device */ 60 struct device dev; /* v4l device */