V4L2_EVENT_PRIVATE_START is used in g_uvc.h but is defined in videodev2.h, which is not included and causes a compiler warning: linux/usb/g_uvc.h:15:28: error: ‘V4L2_EVENT_PRIVATE_START’ undeclared here (not in a function) #define UVC_EVENT_FIRST (V4L2_EVENT_PRIVATE_START + 0) Include videodev2.h in g_uvc.h. Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> --- include/uapi/linux/usb/g_uvc.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/uapi/linux/usb/g_uvc.h b/include/uapi/linux/usb/g_uvc.h index 3c9ee3020cbb..6698c3263ae8 100644 --- a/include/uapi/linux/usb/g_uvc.h +++ b/include/uapi/linux/usb/g_uvc.h @@ -11,6 +11,7 @@ #include <linux/ioctl.h> #include <linux/types.h> #include <linux/usb/ch9.h> +#include <linux/videodev2.h> #define UVC_EVENT_FIRST (V4L2_EVENT_PRIVATE_START + 0) #define UVC_EVENT_CONNECT (V4L2_EVENT_PRIVATE_START + 0) -- 2.18.0
