V4L/DVB (10907): avoid loading the entire videodev.h header on V4L2 drivers

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 19 insertions, 0 deletions

diff --git a/include/linux/videodev.h b/include/linux/videodev.h
index 837f392fbe97..b19eab140977 100644
--- a/include/linux/videodev.h
+++ b/include/linux/videodev.h
@@ -16,6 +16,23 @@
 #include <linux/ioctl.h>
 #include <linux/videodev2.h>
 
+#if defined(__MIN_V4L1) && defined (__KERNEL__)
+
+/*
+ * Used by those V4L2 core functions that need a minimum V4L1 support,
+ * in order to allow V4L1 Compatibilty code compilation.
+ */
+
+struct video_mbuf
+{
+        int     size;           /* Total memory to map */
+        int     frames;         /* Frames */
+        int     offsets[VIDEO_MAX_FRAME];
+};
+
+#define VIDIOCGMBUF             _IOR('v',20, struct video_mbuf)         /* Memory map buffer info */
+
+#else
 #if defined(CONFIG_VIDEO_V4L1_COMPAT) || !defined (__KERNEL__)
 
 #define VID_TYPE_CAPTURE        1       /* Can capture */
@@ -312,6 +329,7 @@ struct video_code
 #define VID_PLAY_END_MARK               14
 
 #endif /* CONFIG_VIDEO_V4L1_COMPAT */
+#endif /* __MIN_V4L1 */
 
 #endif /* __LINUX_VIDEODEV_H */
 
diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h
index a8b4c0b678ec..7a4529defa88 100644
--- a/include/media/v4l2-ioctl.h
+++ b/include/media/v4l2-ioctl.h
@@ -15,6 +15,7 @@
 #include <linux/mutex.h>
 #include <linux/compiler.h> /* need __user */
 #ifdef CONFIG_VIDEO_V4L1_COMPAT
+#define __MIN_V4L1
 #include <linux/videodev.h>
 #else
 #include <linux/videodev2.h>