diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-10-24 12:48:46 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-10-24 12:48:46 +0200 |
commit | 8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516 (patch) | |
tree | d535f46a917e14e90deccb29ad00aac016ad18dd /include/media/v4l2-ioctl.h | |
parent | 4ce72a2c063a7fa8e42a9435440ae3364115a58d (diff) | |
parent | 57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 (diff) |
Merge commit 'v2.6.28-rc1' into sched/urgent
Diffstat (limited to 'include/media/v4l2-ioctl.h')
-rw-r--r-- | include/media/v4l2-ioctl.h | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index 0bef03add79..e6ba25b3d7c 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -271,26 +271,38 @@ extern const char *v4l2_field_names[]; extern const char *v4l2_type_names[]; /* Compatibility layer interface -- v4l1-compat module */ -typedef int (*v4l2_kioctl)(struct inode *inode, struct file *file, +typedef int (*v4l2_kioctl)(struct file *file, unsigned int cmd, void *arg); #ifdef CONFIG_VIDEO_V4L1_COMPAT -int v4l_compat_translate_ioctl(struct inode *inode, struct file *file, +int v4l_compat_translate_ioctl(struct file *file, int cmd, void *arg, v4l2_kioctl driver_ioctl); #else -#define v4l_compat_translate_ioctl(inode, file, cmd, arg, ioctl) (-EINVAL) +#define v4l_compat_translate_ioctl(file, cmd, arg, ioctl) (-EINVAL) #endif /* 32 Bits compatibility layer for 64 bits processors */ extern long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg); -extern int video_ioctl2(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg); - /* Include support for obsoleted stuff */ extern int video_usercopy(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg, int (*func)(struct inode *inode, struct file *file, unsigned int cmd, void *arg)); +/* Standard handlers for V4L ioctl's */ + +/* This prototype is used on fops.unlocked_ioctl */ +extern int __video_ioctl2(struct file *file, + unsigned int cmd, unsigned long arg); + +/* This prototype is used on fops.ioctl + * Since fops.ioctl enables Kernel Big Lock, it is preferred + * to use __video_ioctl2 instead. + * It should be noticed that there's no lock code inside + * video_ioctl2(). + */ +extern int video_ioctl2(struct inode *inode, struct file *file, + unsigned int cmd, unsigned long arg); + #endif /* _V4L2_IOCTL_H */ |