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    Subject[PATCH v3 1/6] usb: uvc: include videodev2.h in g_uvc.h
    Date
    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@ideasonboard.com>
    Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
    ---
    No change from v2
    No change from v1

    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)
    --
    2.19.2
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