From: Robert Jarzmik <robert.jarzmik@free.fr>
To: Mauro Carvalho Chehab <mchehab@kernel.org>,
Guennadi Liakhovetski <g.liakhovetski@gmx.de>,
Jiri Kosina <trivial@kernel.org>,
Hans Verkuil <hverkuil@xs4all.nl>
Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
Robert Jarzmik <robert.jarzmik@free.fr>
Subject: [PATCH v6 08/14] media: platform: pxa_camera: add buffer sequencing
Date: Tue, 6 Sep 2016 11:04:18 +0200 [thread overview]
Message-ID: <1473152664-5077-8-git-send-email-robert.jarzmik@free.fr> (raw)
In-Reply-To: <1473152664-5077-1-git-send-email-robert.jarzmik@free.fr>
Add sequence numbers to completed buffers.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
drivers/media/platform/soc_camera/pxa_camera.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/media/platform/soc_camera/pxa_camera.c b/drivers/media/platform/soc_camera/pxa_camera.c
index 026ed308fea8..d9e2570d3931 100644
--- a/drivers/media/platform/soc_camera/pxa_camera.c
+++ b/drivers/media/platform/soc_camera/pxa_camera.c
@@ -223,6 +223,7 @@ struct pxa_camera_dev {
struct list_head capture;
spinlock_t lock;
+ unsigned int buf_sequence;
struct pxa_buffer *active;
struct tasklet_struct task_eof;
@@ -423,10 +424,13 @@ static void pxa_camera_wakeup(struct pxa_camera_dev *pcdev,
struct pxa_buffer *buf)
{
struct vb2_buffer *vb = &buf->vbuf.vb2_buf;
+ struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
/* _init is used to debug races, see comment in pxa_camera_reqbufs() */
list_del_init(&buf->queue);
vb->timestamp = ktime_get_ns();
+ vbuf->sequence = pcdev->buf_sequence++;
+ vbuf->field = V4L2_FIELD_NONE;
vb2_buffer_done(vb, VB2_BUF_STATE_DONE);
dev_dbg(pcdev_to_dev(pcdev), "%s dequeud buffer (buf=0x%p)\n",
__func__, buf);
@@ -1022,6 +1026,7 @@ static int pxac_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
dev_dbg(pcdev_to_dev(pcdev), "%s(count=%d) active=%p\n",
__func__, count, pcdev->active);
+ pcdev->buf_sequence = 0;
if (!pcdev->active)
pxa_camera_start_capture(pcdev);
--
2.1.4
next prev parent reply other threads:[~2016-09-06 9:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-06 9:04 [PATCH v6 01/14] media: mt9m111: make a standalone v4l2 subdevice Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 02/14] media: mt9m111: use only the SRGB colorspace Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 03/14] media: mt9m111: move mt9m111 out of soc_camera Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 04/14] media: platform: pxa_camera: convert to vb2 Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 05/14] media: platform: pxa_camera: trivial move of functions Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 06/14] media: platform: pxa_camera: introduce sensor_call Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 07/14] media: platform: pxa_camera: make printk consistent Robert Jarzmik
2016-09-06 9:04 ` Robert Jarzmik [this message]
2016-09-06 9:04 ` [PATCH v6 09/14] media: platform: pxa_camera: remove set_selection Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 10/14] media: platform: pxa_camera: make a standalone v4l2 device Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 11/14] media: platform: pxa_camera: add debug register access Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 12/14] media: platform: pxa_camera: change stop_streaming semantics Robert Jarzmik
2016-09-06 9:04 ` [PATCH v6 13/14] media: platform: pxa_camera: move pxa_camera out of soc_camera Robert Jarzmik
2016-09-06 10:20 ` Hans Verkuil
2016-09-06 9:04 ` [PATCH v6 14/14] media: platform: pxa_camera: fix style Robert Jarzmik
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