On 03/28/2014 05:02 PM, Laurent Pinchart wrote:
> The wall time clock isn't useful for applications as it can jump around
> due to time adjustement. Switch to the monotonic clock.
>
> Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verk...@cisco.com>
Regards,
Hans
> ---
> drivers/usb/gadget/uvc_queue.c | 9 ++-------
> 1 file changed, 2 insertions(+), 7 deletions(-)
>
> Changes since v1:
>
> - Replace ktime_get_ts() with v4l2_get_timestamp()
>
> diff --git a/drivers/usb/gadget/uvc_queue.c b/drivers/usb/gadget/uvc_queue.c
> index 0bb5d50..9ac4ffe1 100644
> --- a/drivers/usb/gadget/uvc_queue.c
> +++ b/drivers/usb/gadget/uvc_queue.c
> @@ -20,6 +20,7 @@
> #include <linux/vmalloc.h>
> #include <linux/wait.h>
>
> +#include <media/v4l2-common.h>
> #include <media/videobuf2-vmalloc.h>
>
> #include "uvc.h"
> @@ -379,14 +380,8 @@ static struct uvc_buffer *uvc_queue_next_buffer(struct
> uvc_video_queue *queue,
> else
> nextbuf = NULL;
>
> - /*
> - * FIXME: with videobuf2, the sequence number or timestamp fields
> - * are valid only for video capture devices and the UVC gadget usually
> - * is a video output device. Keeping these until the specs are clear on
> - * this aspect.
> - */
> buf->buf.v4l2_buf.sequence = queue->sequence++;
> - do_gettimeofday(&buf->buf.v4l2_buf.timestamp);
> + v4l2_get_timestamp(&buf->buf.v4l2_buf.timestamp);
>
> vb2_set_plane_payload(&buf->buf, 0, buf->bytesused);
> vb2_buffer_done(&buf->buf, VB2_BUF_STATE_DONE);
>
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