From patchwork Wed Jun 17 01:49:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunfei Dong X-Patchwork-Id: 11608893 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F2AE413B6 for ; Wed, 17 Jun 2020 01:53:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DBDB22100A for ; Wed, 17 Jun 2020 01:53:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=mediatek.com header.i=@mediatek.com header.b="bSnL6joz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726642AbgFQBxK (ORCPT ); Tue, 16 Jun 2020 21:53:10 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:45815 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726253AbgFQBxK (ORCPT ); Tue, 16 Jun 2020 21:53:10 -0400 X-UUID: ae6459fcebfc49bea1f3f01cd468911b-20200617 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=AHVzKhLaX2oKGkCZYazZw4xrXIbvh2oXu4tD1iY5vY0=; b=bSnL6jozmOom2MRcFbEMkfOJGaw8QLxRFogdtM3jF7GIEaup+CRJgtJ2shVnfVIr0sxw3N/1QCcrR/+jVlwvSl78Dp1/uf6u5VgBEXZUZlgVa8u1jsqaLLZpINyW2HTbqFklAKpJQAOeDwDJWyHWl/8Iey3kVMiIYB/ooags7FA=; X-UUID: ae6459fcebfc49bea1f3f01cd468911b-20200617 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 50012595; Wed, 17 Jun 2020 09:53:05 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs08n2.mediatek.inc (172.21.101.56) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 17 Jun 2020 09:53:03 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 17 Jun 2020 09:52:57 +0800 From: Yunfei Dong To: Hans Verkuil , Tiffany Lin , Rob Herring CC: Yunfei Dong , Mauro Carvalho Chehab , Mark Rutland , Matthias Brugger , , , , , , Tomasz Figa Subject: [PATCH 1/2] media: v4l UAPI: add V4L2_BUF_CAP_SUPPORTS_RO_REQUESTS Date: Wed, 17 Jun 2020 09:49:27 +0800 Message-ID: <20200617014928.4374-1-yunfei.dong@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-TM-SNTS-SMTP: BA3C3E7F9A7679BEB34F77C5A76B6AB4D6C36B310217DF74FF99172E8D4ED8832000:8 X-MTK: N Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This patch adds support for the V4L2_BUF_CAP_SUPPORTS_RO_REQUESTS flag. This flag is used for RO Request. Signed-off-by: Yunfei Dong --- 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 `. Return Value ============