From: Lad Prabhakar <prabhakar.csengg@gmail.com>
To: Scott Jiang <scott.jiang.linux@gmail.com>,
Hans Verkuil <hverkuil@xs4all.nl>,
adi-buildroot-devel@lists.sourceforge.net
Cc: Mauro Carvalho Chehab <mchehab@osg.samsung.com>,
LMML <linux-media@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
"Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Subject: [PATCH v3 03/15] media: blackfin: bfin_capture: set min_buffers_needed
Date: Sat, 21 Feb 2015 18:39:49 +0000 [thread overview]
Message-ID: <1424544001-19045-4-git-send-email-prabhakar.csengg@gmail.com> (raw)
In-Reply-To: <1424544001-19045-1-git-send-email-prabhakar.csengg@gmail.com>
From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
this patch sets the min_buffers_needed field of the vb2 queue
so that the vb2 core will make sure start_streaming() callback
is called only when we have minimum buffers queued.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
---
drivers/media/platform/blackfin/bfin_capture.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
index 2c720bc..332f8c9 100644
--- a/drivers/media/platform/blackfin/bfin_capture.c
+++ b/drivers/media/platform/blackfin/bfin_capture.c
@@ -986,6 +986,7 @@ static int bcap_probe(struct platform_device *pdev)
q->mem_ops = &vb2_dma_contig_memops;
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
q->lock = &bcap_dev->mutex;
+ q->min_buffers_needed = 1;
ret = vb2_queue_init(q);
if (ret)
--
2.1.0
next prev parent reply other threads:[~2015-02-21 18:43 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-21 18:39 [PATCH v3 00/15] media: blackfin: bfin_capture enhancements Lad Prabhakar
2015-02-21 18:39 ` [PATCH v3 01/15] media: blackfin: bfin_capture: drop buf_init() callback Lad Prabhakar
2015-02-21 18:39 ` [PATCH v3 02/15] media: blackfin: bfin_capture: release buffers in case start_streaming() call back fails Lad Prabhakar
2015-02-21 18:39 ` Lad Prabhakar [this message]
2015-02-21 18:39 ` [PATCH v3 04/15] media: blackfin: bfin_capture: improve buf_prepare() callback Lad Prabhakar
2015-03-03 15:21 ` Hans Verkuil
2015-02-21 18:39 ` [PATCH v3 05/15] media: blackfin: bfin_capture: improve queue_setup() callback Lad Prabhakar
2015-03-03 14:13 ` Mauro Carvalho Chehab
2015-02-21 18:39 ` [PATCH v3 06/15] media: blackfin: bfin_capture: use vb2_fop_mmap/poll Lad Prabhakar
2015-03-03 10:14 ` Hans Verkuil
2015-02-21 18:39 ` [PATCH v3 07/15] media: blackfin: bfin_capture: use v4l2_fh_open and vb2_fop_release Lad Prabhakar
2015-02-21 18:39 ` [PATCH v3 08/15] media: blackfin: bfin_capture: use vb2_ioctl_* helpers Lad Prabhakar
2015-02-21 18:39 ` [PATCH v3 09/15] media: blackfin: bfin_capture: make sure all buffers are returned on stop_streaming() callback Lad Prabhakar
2015-02-21 18:39 ` [PATCH v3 10/15] media: blackfin: bfin_capture: return -ENODATA for *std calls Lad Prabhakar
2015-02-21 18:39 ` [PATCH v3 11/15] media: blackfin: bfin_capture: return -ENODATA for *dv_timings calls Lad Prabhakar
2015-02-21 18:39 ` [PATCH v3 12/15] media: blackfin: bfin_capture: add support for vidioc_create_bufs Lad Prabhakar
2015-02-21 18:39 ` [PATCH v3 13/15] media: blackfin: bfin_capture: add support for VB2_DMABUF Lad Prabhakar
2015-02-21 18:40 ` [PATCH v3 14/15] media: blackfin: bfin_capture: add support for VIDIOC_EXPBUF Lad Prabhakar
2015-02-21 18:40 ` [PATCH v3 15/15] media: blackfin: bfin_capture: set v4l2 buffer sequence Lad Prabhakar
2015-03-02 7:57 ` [PATCH v3 00/15] media: blackfin: bfin_capture enhancements Scott Jiang
2015-03-03 8:49 ` Hans Verkuil
2015-03-03 9:30 ` Lad, Prabhakar
2015-03-03 9:39 ` Hans Verkuil
2015-03-03 9:43 ` Lad, Prabhakar
2015-03-05 9:44 ` Scott Jiang
2015-03-05 10:26 ` Hans Verkuil
2015-03-07 16:22 ` Lad, Prabhakar
2015-03-07 16:35 ` Hans Verkuil
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