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-rw-r--r--include/linux/videodev2.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index d7670ec..ad7fa9c 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -1141,8 +1141,13 @@ extern char *v4l2_type_names[];
/* Compatibility layer interface -- v4l1-compat module */
typedef int (*v4l2_kioctl)(struct inode *inode, 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 cmd, void *arg, v4l2_kioctl driver_ioctl);
+#else
+#define v4l_compat_translate_ioctl(inode,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,
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