From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933690AbcIFJE6 (ORCPT ); Tue, 6 Sep 2016 05:04:58 -0400 Received: from smtp10.smtpout.orange.fr ([80.12.242.132]:23824 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755926AbcIFJEe (ORCPT ); Tue, 6 Sep 2016 05:04:34 -0400 X-ME-Helo: belgarion.home X-ME-Date: Tue, 06 Sep 2016 11:04:32 +0200 X-ME-IP: 109.222.86.9 From: Robert Jarzmik To: Mauro Carvalho Chehab , Guennadi Liakhovetski , Jiri Kosina , Hans Verkuil Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Robert Jarzmik Subject: [PATCH v6 08/14] media: platform: pxa_camera: add buffer sequencing Date: Tue, 6 Sep 2016 11:04:18 +0200 Message-Id: <1473152664-5077-8-git-send-email-robert.jarzmik@free.fr> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1473152664-5077-1-git-send-email-robert.jarzmik@free.fr> References: <1473152664-5077-1-git-send-email-robert.jarzmik@free.fr> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add sequence numbers to completed buffers. Signed-off-by: Robert Jarzmik --- 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