diff --git a/libc/kernel/common/linux/videodev.h b/libc/kernel/common/linux/videodev.h
index 5a95f82..ee55483 100644
--- a/libc/kernel/common/linux/videodev.h
+++ b/libc/kernel/common/linux/videodev.h
@@ -7,299 +7,338 @@
  ***   structures, and macros generated from the original header, and thus,
  ***   contains no copyrightable information.
  ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
  ****************************************************************************
  ****************************************************************************/
 #ifndef __LINUX_VIDEODEV_H
 #define __LINUX_VIDEODEV_H
-
 #include <linux/types.h>
 #include <linux/ioctl.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/videodev2.h>
-
 #define VID_TYPE_CAPTURE 1  
 #define VID_TYPE_TUNER 2  
 #define VID_TYPE_TELETEXT 4  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VID_TYPE_OVERLAY 8  
 #define VID_TYPE_CHROMAKEY 16  
 #define VID_TYPE_CLIPPING 32  
 #define VID_TYPE_FRAMERAM 64  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VID_TYPE_SCALES 128  
 #define VID_TYPE_MONOCHROME 256  
 #define VID_TYPE_SUBCAPTURE 512  
 #define VID_TYPE_MPEG_DECODER 1024  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VID_TYPE_MPEG_ENCODER 2048  
 #define VID_TYPE_MJPEG_DECODER 4096  
 #define VID_TYPE_MJPEG_ENCODER 8192  
-
 struct video_capability
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 {
  char name[32];
  int type;
  int channels;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int audios;
  int maxwidth;
  int maxheight;
  int minwidth;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int minheight;
 };
-
 struct video_channel
 {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int channel;
  char name[32];
  int tuners;
  __u32 flags;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_VC_TUNER 1  
 #define VIDEO_VC_AUDIO 2  
  __u16 type;
 #define VIDEO_TYPE_TV 1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_TYPE_CAMERA 2
  __u16 norm;
 };
-
 struct video_tuner
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 {
  int tuner;
  char name[32];
  unsigned long rangelow, rangehigh;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 flags;
 #define VIDEO_TUNER_PAL 1
 #define VIDEO_TUNER_NTSC 2
 #define VIDEO_TUNER_SECAM 4
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_TUNER_LOW 8  
 #define VIDEO_TUNER_NORM 16  
 #define VIDEO_TUNER_STEREO_ON 128  
 #define VIDEO_TUNER_RDS_ON 256  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_TUNER_MBS_ON 512  
  __u16 mode;
 #define VIDEO_MODE_PAL 0
 #define VIDEO_MODE_NTSC 1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_MODE_SECAM 2
 #define VIDEO_MODE_AUTO 3
  __u16 signal;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct video_picture
 {
  __u16 brightness;
  __u16 hue;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 colour;
  __u16 contrast;
  __u16 whiteness;
  __u16 depth;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 palette;
 #define VIDEO_PALETTE_GREY 1  
 #define VIDEO_PALETTE_HI240 2  
 #define VIDEO_PALETTE_RGB565 3  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_PALETTE_RGB24 4  
 #define VIDEO_PALETTE_RGB32 5  
 #define VIDEO_PALETTE_RGB555 6  
 #define VIDEO_PALETTE_YUV422 7  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_PALETTE_YUYV 8
 #define VIDEO_PALETTE_UYVY 9  
 #define VIDEO_PALETTE_YUV420 10
 #define VIDEO_PALETTE_YUV411 11  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_PALETTE_RAW 12  
 #define VIDEO_PALETTE_YUV422P 13  
 #define VIDEO_PALETTE_YUV411P 14  
 #define VIDEO_PALETTE_YUV420P 15  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_PALETTE_YUV410P 16  
 #define VIDEO_PALETTE_PLANAR 13  
 #define VIDEO_PALETTE_COMPONENT 7  
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct video_audio
 {
  int audio;
  __u16 volume;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 bass, treble;
  __u32 flags;
 #define VIDEO_AUDIO_MUTE 1
 #define VIDEO_AUDIO_MUTABLE 2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_AUDIO_VOLUME 4
 #define VIDEO_AUDIO_BASS 8
 #define VIDEO_AUDIO_TREBLE 16
 #define VIDEO_AUDIO_BALANCE 32
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  char name[16];
 #define VIDEO_SOUND_MONO 1
 #define VIDEO_SOUND_STEREO 2
 #define VIDEO_SOUND_LANG1 4
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_SOUND_LANG2 8
  __u16 mode;
  __u16 balance;
  __u16 step;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 struct video_clip
 {
  __s32 x,y;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __s32 width, height;
  struct video_clip *next;
 };
-
 struct video_window
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 {
  __u32 x,y;
  __u32 width,height;
  __u32 chromakey;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 flags;
  struct video_clip __user *clips;
  int clipcount;
 #define VIDEO_WINDOW_INTERLACE 1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDEO_WINDOW_CHROMAKEY 16  
 #define VIDEO_CLIP_BITMAP -1
-
 #define VIDEO_CLIPMAP_SIZE (128 * 625)
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct video_capture
 {
  __u32 x,y;
  __u32 width, height;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u16 decimation;
  __u16 flags;
 #define VIDEO_CAPTURE_ODD 0  
 #define VIDEO_CAPTURE_EVEN 1
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 struct video_buffer
 {
  void *base;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int height,width;
  int depth;
  int bytesperline;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct video_mmap
 {
  unsigned int frame;
  int height,width;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  unsigned int format;
 };
-
 struct video_key
 {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 key[8];
  __u32 flags;
 };
-
 struct video_mbuf
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 {
  int size;
  int frames;
  int offsets[VIDEO_MAX_FRAME];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-
 #define VIDEO_NO_UNIT (-1)
-
 struct video_unit
 {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int video;
  int vbi;
  int radio;
  int audio;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int teletext;
 };
-
 struct vbi_format {
  __u32 sampling_rate;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 samples_per_line;
  __u32 sample_format;
  __s32 start[2];
  __u32 count[2];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 flags;
 #define VBI_UNSYNC 1  
 #define VBI_INTERLACED 2  
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct video_info
 {
  __u32 frame_count;
  __u32 h_size;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 v_size;
  __u32 smpte_timecode;
  __u32 picture_type;
  __u32 temporal_reference;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 user_data[256];
-
 };
-
 struct video_play_mode
 {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  int mode;
  int p1;
  int p2;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct video_code
 {
  char loadwhat[16];
  int datasize;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u8 *data;
 };
-
 #define VIDIOCGCAP _IOR('v',1,struct video_capability)  
 #define VIDIOCGCHAN _IOWR('v',2,struct video_channel)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDIOCSCHAN _IOW('v',3,struct video_channel)  
 #define VIDIOCGTUNER _IOWR('v',4,struct video_tuner)  
 #define VIDIOCSTUNER _IOW('v',5,struct video_tuner)  
 #define VIDIOCGPICT _IOR('v',6,struct video_picture)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDIOCSPICT _IOW('v',7,struct video_picture)  
 #define VIDIOCCAPTURE _IOW('v',8,int)  
 #define VIDIOCGWIN _IOR('v',9, struct video_window)  
 #define VIDIOCSWIN _IOW('v',10, struct video_window)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDIOCGFBUF _IOR('v',11, struct video_buffer)  
 #define VIDIOCSFBUF _IOW('v',12, struct video_buffer)  
 #define VIDIOCKEY _IOR('v',13, struct video_key)  
 #define VIDIOCGFREQ _IOR('v',14, unsigned long)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDIOCSFREQ _IOW('v',15, unsigned long)  
 #define VIDIOCGAUDIO _IOR('v',16, struct video_audio)  
 #define VIDIOCSAUDIO _IOW('v',17, struct video_audio)  
 #define VIDIOCSYNC _IOW('v',18, int)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDIOCMCAPTURE _IOW('v',19, struct video_mmap)  
 #define VIDIOCGMBUF _IOR('v',20, struct video_mbuf)  
 #define VIDIOCGUNIT _IOR('v',21, struct video_unit)  
 #define VIDIOCGCAPTURE _IOR('v',22, struct video_capture)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDIOCSCAPTURE _IOW('v',23, struct video_capture)  
 #define VIDIOCSPLAYMODE _IOW('v',24, struct video_play_mode)  
 #define VIDIOCSWRITEMODE _IOW('v',25, int)  
 #define VIDIOCGPLAYINFO _IOR('v',26, struct video_info)  
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VIDIOCSMICROCODE _IOW('v',27, struct video_code)  
 #define VIDIOCGVBIFMT _IOR('v',28, struct vbi_format)  
 #define VIDIOCSVBIFMT _IOW('v',29, struct vbi_format)  
-
 #define BASE_VIDIOCPRIVATE 192  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VID_WRITE_MPEG_AUD 0
 #define VID_WRITE_MPEG_VID 1
 #define VID_WRITE_OSD 2
 #define VID_WRITE_TTX 3
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VID_WRITE_CC 4
 #define VID_WRITE_MJPEG 5
-
 #define VID_PLAY_VID_OUT_MODE 0
-
 #define VID_PLAY_GENLOCK 1
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VID_PLAY_NORMAL 2
 #define VID_PLAY_PAUSE 3
 #define VID_PLAY_SINGLE_FRAME 4
 #define VID_PLAY_FAST_FORWARD 5
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VID_PLAY_SLOW_MOTION 6
 #define VID_PLAY_IMMEDIATE_NORMAL 7
 #define VID_PLAY_SWITCH_CHANNELS 8
 #define VID_PLAY_FREEZE_FRAME 9
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VID_PLAY_STILL_MODE 10
 #define VID_PLAY_MASTER_MODE 11
-
 #define VID_PLAY_MASTER_NONE 1
 #define VID_PLAY_MASTER_VIDEO 2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define VID_PLAY_MASTER_AUDIO 3
 #define VID_PLAY_ACTIVE_SCANLINES 12
-
 #define VID_PLAY_RESET 13
 #define VID_PLAY_END_MARK 14
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
-
-