Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb

[sfrench/cifs-2.6.git] / include / media / v4l2-dev.h

diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 62dae1a8c4412c3f363193ad8efdd898f3fd0c22..6a11d772700ff649e9a1d81b47db9f8622af3594 100644 (file)
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -9,14 +9,15 @@
 #ifndef _V4L2_DEV_H
 #define _V4L2_DEV_H
 
-#define OBSOLETE_OWNER 1 /* to be removed soon */
+#define OBSOLETE_OWNER   1 /* to be removed soon */
+#define OBSOLETE_DEVDATA 1 /* to be removed soon */
 
 #include <linux/poll.h>
 #include <linux/fs.h>
 #include <linux/device.h>
 #include <linux/mutex.h>
 #include <linux/compiler.h> /* need __user */
-#ifdef CONFIG_VIDEO_V4L1
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
 #include <linux/videodev.h>
 #else
 #include <linux/videodev2.h>
@@ -194,7 +195,7 @@ struct video_device
 
 
        int (*vidioc_overlay) (struct file *file, void *fh, unsigned int i);
-#ifdef HAVE_V4L1
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
                        /* buffer type is struct vidio_mbuf * */
        int (*vidiocgmbuf)  (struct file *file, void *fh, struct video_mbuf *p);
 #endif
@@ -335,17 +336,18 @@ extern int video_usercopy(struct inode *inode, struct file *file,
                                      unsigned int cmd, void *arg));
 
 
-#ifdef HAVE_V4L1
+#ifdef CONFIG_VIDEO_V4L1_COMPAT
 #include <linux/mm.h>
 
-extern struct video_device* video_devdata(struct file*);
-
 #define to_video_device(cd) container_of(cd, struct video_device, class_dev)
-static inline void
+static inline int __must_check
 video_device_create_file(struct video_device *vfd,
                         struct class_device_attribute *attr)
 {
-       class_device_create_file(&vfd->class_dev, attr);
+       int ret = class_device_create_file(&vfd->class_dev, attr);
+       if (ret < 0)
+               printk(KERN_WARNING "%s error: %d\n", __FUNCTION__, ret);
+       return ret;
 }
 static inline void
 video_device_remove_file(struct video_device *vfd,
@@ -354,6 +356,8 @@ video_device_remove_file(struct video_device *vfd,
        class_device_remove_file(&vfd->class_dev, attr);
 }
 
+#endif /* CONFIG_VIDEO_V4L1_COMPAT */
+
 #ifdef OBSOLETE_OWNER /* to be removed soon */
 /* helper functions to access driver private data. */
 static inline void *video_get_drvdata(struct video_device *dev)
@@ -365,10 +369,14 @@ static inline void video_set_drvdata(struct video_device *dev, void *data)
 {
        dev->priv = data;
 }
+
 #endif
 
+#ifdef OBSOLETE_DEVDATA /* to be removed soon */
+/* Obsolete stuff - Still needed for radio devices and obsolete drivers */
+extern struct video_device* video_devdata(struct file*);
 extern int video_exclusive_open(struct inode *inode, struct file *file);
 extern int video_exclusive_release(struct inode *inode, struct file *file);
-#endif /* HAVE_V4L1 */
+#endif
 
 #endif /* _V4L2_DEV_H */