diff --git a/libc/kernel/common/linux/mt9t013.h b/libc/kernel/common/linux/mt9t013.h
index 821ef21..6b8b31a 100644
--- a/libc/kernel/common/linux/mt9t013.h
+++ b/libc/kernel/common/linux/mt9t013.h
@@ -7,105 +7,99 @@
  ***   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 CAMERA_MT9T013_H
 #define CAMERA_MT9T013_H
 #include <linux/cdev.h>
 #include <linux/types.h>
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/ioctl.h>
 #include <asm/sizes.h>
-
 #define MT9T013_I2C_IOCTL_MAGIC 'm'
-
 #define MT9T013_I2C_IOCTL_W   _IOW(MT9T013_I2C_IOCTL_MAGIC, 0, unsigned)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MT9T013_I2C_IOCTL_R   _IOR(MT9T013_I2C_IOCTL_MAGIC, 1, unsigned)
-
 #define MT9T013_I2C_IOCTL_AF_W   _IOW(MT9T013_I2C_IOCTL_MAGIC, 2, unsigned)
-
 #define MT9T013_I2C_IOCTL_CAMIF_PAD_REG_RESET   _IO(MT9T013_I2C_IOCTL_MAGIC, 3)
-
 #define MT9T013_I2C_IOCTL_CAMIF_PAD_REG_RESET_2   _IO(MT9T013_I2C_IOCTL_MAGIC, 4)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CAMERA_CONFIGURE_GPIOS   _IO(MT9T013_I2C_IOCTL_MAGIC, 7)
-
 #define CAMERA_UNCONFIGURE_GPIOS   _IO(MT9T013_I2C_IOCTL_MAGIC, 8)
-
 #define CAMERA_LENS_POWER_ON   _IO(MT9T013_I2C_IOCTL_MAGIC, 9)
-
 #define CAMERA_LENS_POWER_OFF   _IO(MT9T013_I2C_IOCTL_MAGIC, 10)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MT9T013_I2C_IOCTL_CAMIF_APPS_RESET   _IO(MT9T013_I2C_IOCTL_MAGIC, 11)
-
 #define CAMIO_VFE_MDC_CLK 1  
 #define CAMIO_MDC_CLK 2  
 #define CAMIO_VFE_CLK 3  
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MT9T013_I2C_IOCTL_CLK_ENABLE   _IOW(MT9T013_I2C_IOCTL_MAGIC, 12, unsigned)
-
 #define MT9T013_I2C_IOCTL_CLK_DISABLE   _IOW(MT9T013_I2C_IOCTL_MAGIC, 13, unsigned)
-
 #define MT9T013_I2C_IOCTL_CLK_SELECT   _IOW(MT9T013_I2C_IOCTL_MAGIC, 14, unsigned)
-
 #define MT9T013_I2C_IOCTL_CLK_FREQ_PROG   _IOW(MT9T013_I2C_IOCTL_MAGIC, 15, unsigned)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CAMSENSOR_REG_INIT 0<<0
 #define CAMSENSOR_REG_UPDATE_PERIODIC 1<<0
 #define CAMSENSOR_TYPE_PREVIEW 0<<1
 #define CAMSENSOR_TYPE_SNAPSHOT 1<<1
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MT9T013_I2C_IOCTL_SENSOR_SETTING   _IOW(MT9T013_I2C_IOCTL_MAGIC, 16, uint32_t)
-
 struct mt9t013_reg_struct
 {
  uint16_t vt_pix_clk_div;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint16_t vt_sys_clk_div;
  uint16_t pre_pll_clk_div;
  uint16_t pll_multiplier;
  uint16_t op_pix_clk_div;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint16_t op_sys_clk_div;
  uint16_t scale_m;
  uint16_t row_speed;
  uint16_t x_addr_start;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint16_t x_addr_end;
  uint16_t y_addr_start;
  uint16_t y_addr_end;
  uint16_t read_mode;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint16_t x_output_size ;
  uint16_t y_output_size;
  uint16_t line_length_pck;
  uint16_t frame_length_lines;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint16_t coarse_integration_time;
  uint16_t fine_integration_time;
 };
-
 struct mt9t013_reg_pat {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  struct mt9t013_reg_struct reg[2];
 };
-
 #define MT9T013_I2C_IOCTL_GET_REGISTERS   _IOR(MT9T013_I2C_IOCTL_MAGIC, 17, struct mt9t013_reg_pat *)
-
 struct mt9t013_exposure_gain {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  uint16_t gain;
  uint16_t line;
  uint32_t mode;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MT9T013_I2C_IOCTL_EXPOSURE_GAIN   _IOW(MT9T013_I2C_IOCTL_MAGIC, 18, struct exposure_gain *)
-
 #define MT9T013_I2C_IOCTL_MOVE_FOCUS   _IOW(MT9T013_I2C_IOCTL_MAGIC, 19, uint32_t)
-
 #define MT9T013_I2C_IOCTL_SET_DEFAULT_FOCUS   _IOW(MT9T013_I2C_IOCTL_MAGIC, 20, uint32_t)
-
 #define MT9T013_I2C_IOCTL_POWER_DOWN   _IO(MT9T013_I2C_IOCTL_MAGIC, 21)
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct mt9t013_init {
  int preview;
  uint16_t chipid;
 };
-
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MT9T013_I2C_IOCTL_INIT   _IOWR(MT9T013_I2C_IOCTL_MAGIC, 22, struct mt9t013_init *)
-
 #endif
-