* [PATCH] em28xx: set the timestamp type for video and vbi vb2_queues
@ 2013-03-09 10:53 Frank Schäfer
2013-03-09 11:05 ` Hans Verkuil
0 siblings, 1 reply; 2+ messages in thread
From: Frank Schäfer @ 2013-03-09 10:53 UTC (permalink / raw)
To: mchehab; +Cc: linux-media, Frank Schäfer
The em28xx driver obtains the timestamps using function v4l2_get_timestamp(),
which produces a montonic timestamp.
Fixes the warnings appearing in the system log since commit 6aa69f99
"[media] vb2: Add support for non monotonic timestamps"
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
---
drivers/media/usb/em28xx/em28xx-video.c | 2 ++
1 Datei geändert, 2 Zeilen hinzugefügt(+)
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 93fc620..d585c19 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -700,6 +700,7 @@ int em28xx_vb2_setup(struct em28xx *dev)
q = &dev->vb_vidq;
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
+ q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct em28xx_buffer);
q->ops = &em28xx_video_qops;
@@ -713,6 +714,7 @@ int em28xx_vb2_setup(struct em28xx *dev)
q = &dev->vb_vbiq;
q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR;
+ q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->drv_priv = dev;
q->buf_struct_size = sizeof(struct em28xx_buffer);
q->ops = &em28xx_vbi_qops;
--
1.7.10.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] em28xx: set the timestamp type for video and vbi vb2_queues
2013-03-09 10:53 [PATCH] em28xx: set the timestamp type for video and vbi vb2_queues Frank Schäfer
@ 2013-03-09 11:05 ` Hans Verkuil
0 siblings, 0 replies; 2+ messages in thread
From: Hans Verkuil @ 2013-03-09 11:05 UTC (permalink / raw)
To: Frank Schäfer; +Cc: mchehab, linux-media
On Sat March 9 2013 11:53:01 Frank Schäfer wrote:
> The em28xx driver obtains the timestamps using function v4l2_get_timestamp(),
> which produces a montonic timestamp.
>
> Fixes the warnings appearing in the system log since commit 6aa69f99
> "[media] vb2: Add support for non monotonic timestamps"
>
> Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Regards,
Hans
> ---
> drivers/media/usb/em28xx/em28xx-video.c | 2 ++
> 1 Datei geändert, 2 Zeilen hinzugefügt(+)
>
> diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
> index 93fc620..d585c19 100644
> --- a/drivers/media/usb/em28xx/em28xx-video.c
> +++ b/drivers/media/usb/em28xx/em28xx-video.c
> @@ -700,6 +700,7 @@ int em28xx_vb2_setup(struct em28xx *dev)
> q = &dev->vb_vidq;
> q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
> q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
> + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
> q->drv_priv = dev;
> q->buf_struct_size = sizeof(struct em28xx_buffer);
> q->ops = &em28xx_video_qops;
> @@ -713,6 +714,7 @@ int em28xx_vb2_setup(struct em28xx *dev)
> q = &dev->vb_vbiq;
> q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
> q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR;
> + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
> q->drv_priv = dev;
> q->buf_struct_size = sizeof(struct em28xx_buffer);
> q->ops = &em28xx_vbi_qops;
>
^ permalink raw reply [flat|nested] 2+ messages in thread
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