From patchwork Fri Jan 22 00:56:59 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 8086241 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: X-Original-To: patchwork-linux-renesas-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 763909FC36 for ; Fri, 22 Jan 2016 00:57:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CF3262034C for ; Fri, 22 Jan 2016 00:57:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B46720443 for ; Fri, 22 Jan 2016 00:57:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751263AbcAVA5k (ORCPT ); Thu, 21 Jan 2016 19:57:40 -0500 Received: from galahad.ideasonboard.com ([185.26.127.97]:58718 "EHLO galahad.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751379AbcAVA5j (ORCPT ); Thu, 21 Jan 2016 19:57:39 -0500 Received: from avalon.access.network (nblzone-211-213.nblnetworks.fi [83.145.211.213]) by galahad.ideasonboard.com (Postfix) with ESMTPSA id CD22A20B64 for ; Fri, 22 Jan 2016 01:56:34 +0100 (CET) From: Laurent Pinchart To: linux-renesas-soc@vger.kernel.org Subject: [PATCH/RFC v2 30/56] v4l2-subdev.h: Add request field to format and selection structures Date: Fri, 22 Jan 2016 02:56:59 +0200 Message-Id: <1453424245-18782-31-git-send-email-laurent.pinchart+renesas@ideasonboard.com> X-Mailer: git-send-email 2.4.10 In-Reply-To: <1453424245-18782-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> References: <1453424245-18782-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Let userspace specify a request ID when getting or setting formats or selection rectangles. From a userspace point of view the API change is minimized and doesn't require any new ioctl. Signed-off-by: Laurent Pinchart --- include/uapi/linux/v4l2-subdev.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/include/uapi/linux/v4l2-subdev.h b/include/uapi/linux/v4l2-subdev.h index dbce2b554e02..25acc7355d5b 100644 --- a/include/uapi/linux/v4l2-subdev.h +++ b/include/uapi/linux/v4l2-subdev.h @@ -32,10 +32,12 @@ * enum v4l2_subdev_format_whence - Media bus format type * @V4L2_SUBDEV_FORMAT_TRY: try format, for negotiation only * @V4L2_SUBDEV_FORMAT_ACTIVE: active format, applied to the device + * @V4L2_SUBDEV_FORMAT_REQUEST: format stored in request */ enum v4l2_subdev_format_whence { V4L2_SUBDEV_FORMAT_TRY = 0, V4L2_SUBDEV_FORMAT_ACTIVE = 1, + V4L2_SUBDEV_FORMAT_REQUEST = 2, }; /** @@ -43,12 +45,15 @@ enum v4l2_subdev_format_whence { * @which: format type (from enum v4l2_subdev_format_whence) * @pad: pad number, as reported by the media API * @format: media bus format (format code and frame size) + * @request: request ID (when which is set to V4L2_SUBDEV_FORMAT_REQUEST) + * @reserved: for future use, set to zero for now */ struct v4l2_subdev_format { __u32 which; __u32 pad; struct v4l2_mbus_framefmt format; - __u32 reserved[8]; + __u16 request; + __u16 reserved[15]; }; /** @@ -139,6 +144,7 @@ struct v4l2_subdev_frame_interval_enum { * defined in v4l2-common.h; V4L2_SEL_TGT_* . * @flags: constraint flags, defined in v4l2-common.h; V4L2_SEL_FLAG_*. * @r: coordinates of the selection window + * @request: request ID (when which is set to V4L2_SUBDEV_FORMAT_REQUEST) * @reserved: for future use, set to zero for now * * Hardware may use multiple helper windows to process a video stream. @@ -151,7 +157,8 @@ struct v4l2_subdev_selection { __u32 target; __u32 flags; struct v4l2_rect r; - __u32 reserved[8]; + __u16 request; + __u16 reserved[15]; }; /* Backwards compatibility define --- to be removed */