From patchwork Mon Dec 13 23:28:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Scally X-Patchwork-Id: 523562 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4BA03C433EF for ; Mon, 13 Dec 2021 23:29:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242527AbhLMX3I (ORCPT ); Mon, 13 Dec 2021 18:29:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241570AbhLMX3H (ORCPT ); Mon, 13 Dec 2021 18:29:07 -0500 Received: from mail-wm1-x32e.google.com (mail-wm1-x32e.google.com [IPv6:2a00:1450:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD239C061574 for ; Mon, 13 Dec 2021 15:29:06 -0800 (PST) Received: by mail-wm1-x32e.google.com with SMTP id k37-20020a05600c1ca500b00330cb84834fso15141041wms.2 for ; Mon, 13 Dec 2021 15:29:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=px9+XC6KILpCFM/OBYzEGce6h7w6qpwXedz3WqQ/Q80=; b=VZod9lOQ40o1ezWVX5HyjyqmpmA8PWijZ6IzFH4CN6RghiQMhZK8vw6JDF0dWKCEsu FjBBkscMre4fu1mki2OOf7pfwKyhW3gOic+8dWgU+Vl9V3HYTfUxg7bv9gvzDtO2zk+3 ep6kHOFZmqmt/spw3cets6Tx+shhO7Ti9F/tNn/mtxvM0m8C/SMuN9JRSIKRcFQSwDPT JVKKHnRor7dF/fAuoKWnWsknVR3bBUnw5gXhcSnlpU0UOXGAKK4tXIzBfKE4jgWbz/MZ bo+O87sWlHuBH/MnAgce8dAnyQUmycE0vW0SfCUoUUOq+eYJiGRSfw3pJWMTwgp+ZVdL OK0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=px9+XC6KILpCFM/OBYzEGce6h7w6qpwXedz3WqQ/Q80=; b=ZXTcf8uQigx0jIm8OhU+CsJ03xH7Gi8en+dZNZrwmgbjIs0wCty+uWi3lzFZBr9Bx6 h1IByWjlSNyyd9SJ+qKXhohxb2sm1AElMZ+FIfc37xwcNuT7ggelYHnx44HARkaw8PW4 D3vbWn5ASO6l3IRxtKWoZZw8pGxHmmTgM+4Exn/8XH+sDuXKTmX4Z8rJ4YFZ12w4S2vR fT5/UucZjZ7QWbbC0jLfmCyFScTAg+zOZkC8seR3WiOTwei1JgiSQ9Onu7ztmWtQo6Mu wsUcYLzEIMiDQRCsAiqkIcR/UKbZ/RqStNY02I1XG413b0KBfSAF/4XN6VepoKacskMY 7Lgg== X-Gm-Message-State: AOAM530Ao+3VyFLTz6X61gFh4eUYXva+4You0Syf96jZhypjCDw5riH2 fiwXl1crLQCNeCYz5hHdhbIycSJKSpc= X-Google-Smtp-Source: ABdhPJz0KF9cuTi+crVmS7GsbqpsTa7cz32Fux5g2fB7CyUR6msG62eWJ1Vxv4nXxICFvIz/FwlkGA== X-Received: by 2002:a1c:7517:: with SMTP id o23mr40854236wmc.172.1639438145465; Mon, 13 Dec 2021 15:29:05 -0800 (PST) Received: from localhost.localdomain (cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net. [86.13.91.161]) by smtp.gmail.com with ESMTPSA id 38sm12551643wrc.1.2021.12.13.15.29.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Dec 2021 15:29:05 -0800 (PST) From: Daniel Scally To: linux-media@vger.kernel.org, libcamera-devel@lists.libcamera.org Cc: sakari.ailus@linux.intel.com, laurent.pinchart@ideasonboard.com, hanlinchen@chromium.org, tfiga@chromium.org, hdegoede@redhat.com, kieran.bingham@ideasonboard.com, hpa@redhat.com Subject: [PATCH 1/5] media: media.h: Add new media link type Date: Mon, 13 Dec 2021 23:28:45 +0000 Message-Id: <20211213232849.40071-2-djrscally@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211213232849.40071-1-djrscally@gmail.com> References: <20211213232849.40071-1-djrscally@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org To describe in the kernel the connection between devices and their supporting peripherals (for example, a camera sensor and the vcm driving the focusing lens for it), add a new type of media link to introduce the concept of these ancillary links. Signed-off-by: Daniel Scally --- changes since the rfc: - Split out into its own patch (mostly so it can be followed by patch #3, which corrects some media-core code that is otherwise broken by the new links) include/uapi/linux/media.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index 200fa8462b90..afbae7213d35 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -226,6 +226,7 @@ struct media_pad_desc { #define MEDIA_LNK_FL_LINK_TYPE (0xf << 28) # define MEDIA_LNK_FL_DATA_LINK (0 << 28) # define MEDIA_LNK_FL_INTERFACE_LINK (1 << 28) +# define MEDIA_LNK_FL_ANCILLARY_LINK (2 << 28) struct media_link_desc { struct media_pad_desc source;