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From: Yunfei Dong <yunfei.dong@mediatek.com>
To: Hans Verkuil <hverkuil@xs4all.nl>,
	Tiffany Lin <tiffany.lin@mediatek.com>,
	 Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org,
	Alexandre Courbot <acourbot@chromium.org>,
	Yunfei Dong <yunfei.dong@mediatek.com>,
	linux-kernel@vger.kernel.org, Tomasz Figa <tfiga@chromium.org>,
	linux-mediatek@lists.infradead.org,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org
Subject: [PATCH v3, 1/2] media: v4l UAPI: add V4L2_BUF_CAP_SUPPORTS_RO_REQUESTS
Date: Wed, 1 Jul 2020 17:35:21 +0800
Message-ID: <20200701093522.8521-2-yunfei.dong@mediatek.com> (raw)
In-Reply-To: <20200701093522.8521-1-yunfei.dong@mediatek.com>

This patch adds support for the V4L2_BUF_CAP_SUPPORTS_RO_REQUESTS
flag. This flag is used for Read-only(Ro) Request.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
 Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst
index b6d52083707b..7c7451773b8e 100644
--- a/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst
+++ b/Documentation/userspace-api/media/v4l/vidioc-reqbufs.rst
@@ -126,6 +126,7 @@ aborting or finishing any DMA in progress, an implicit
 .. _V4L2-BUF-CAP-SUPPORTS-REQUESTS:
 .. _V4L2-BUF-CAP-SUPPORTS-ORPHANED-BUFS:
 .. _V4L2-BUF-CAP-SUPPORTS-M2M-HOLD-CAPTURE-BUF:
+.. _V4L2-BUF-CAP-SUPPORTS-RO-REQUESTS:
 
 .. cssclass:: longtable
 
@@ -156,6 +157,9 @@ aborting or finishing any DMA in progress, an implicit
       - Only valid for stateless decoders. If set, then userspace can set the
         ``V4L2_BUF_FLAG_M2M_HOLD_CAPTURE_BUF`` flag to hold off on returning the
 	capture buffer until the OUTPUT timestamp changes.
+    * - ``V4L2_BUF_CAP_SUPPORTS_RO_REQUESTS``
+      - 0x00000040
+      - This buffer type supports :ref:`requests <media-request-api>`.
 
 Return Value
 ============
-- 
2.18.0
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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01  9:35 [PATCH v3, 0/2] This patchset add read-only(Ro) request for capture queue Yunfei Dong
2020-07-01  9:35 ` Yunfei Dong [this message]
2020-07-01  9:35 ` [PATCH v3,2/2] media: v4l: Add Ro request api " Yunfei Dong

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