linux-kernel - [PATCH v4 03/17] media: blackfin: bfin_capture: set min_buffers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1425825653-14768-4-git-send-email-prabhakar.csengg@gmail.com>
Date:	Sun,  8 Mar 2015 14:40:39 +0000
From:	Lad Prabhakar <prabhakar.csengg@...il.com>
To:	Scott Jiang <scott.jiang.linux@...il.com>,
	linux-media@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>
Cc:	adi-buildroot-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org,
	"Lad, Prabhakar" <prabhakar.csengg@...il.com>
Subject: [PATCH v4 03/17] media: blackfin: bfin_capture: set min_buffers_needed

From: "Lad, Prabhakar" <prabhakar.csengg@...il.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@...il.com>
Acked-by: Scott Jiang <scott.jiang.linux@...il.com>
Tested-by: Scott Jiang <scott.jiang.linux@...il.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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/