diff --git a/libc/kernel/uapi/linux/v4l2-controls.h b/libc/kernel/uapi/linux/v4l2-controls.h
index da0935f..90cb69d 100644
--- a/libc/kernel/uapi/linux/v4l2-controls.h
+++ b/libc/kernel/uapi/linux/v4l2-controls.h
@@ -110,6 +110,7 @@
 #define V4L2_CID_USER_ISL7998X_BASE (V4L2_CID_USER_BASE + 0x1180)
 #define V4L2_CID_USER_DW100_BASE (V4L2_CID_USER_BASE + 0x1190)
 #define V4L2_CID_USER_ASPEED_BASE (V4L2_CID_USER_BASE + 0x11a0)
+#define V4L2_CID_USER_NPCM_BASE (V4L2_CID_USER_BASE + 0x11b0)
 #define V4L2_CID_CODEC_BASE (V4L2_CTRL_CLASS_CODEC | 0x900)
 #define V4L2_CID_CODEC_CLASS (V4L2_CTRL_CLASS_CODEC | 1)
 #define V4L2_CID_MPEG_STREAM_TYPE (V4L2_CID_CODEC_BASE + 0)