From patchwork Fri Nov 10 05:48:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 13452162 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 05BAFC4332F for ; Fri, 10 Nov 2023 06:33:36 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 31489886; Fri, 10 Nov 2023 07:32:44 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 31489886 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1699598014; bh=Uy1ivt/VHlrDGmYGkinH6T68GnqZh3IYi+wNQEKkm8g=; h=From:To:Subject:Date:In-Reply-To:References:List-Id:List-Archive: List-Help:List-Owner:List-Post:List-Subscribe:List-Unsubscribe: From; b=aNJFdLvrrRq6fL6tU5SrU1QVqv4WmNKJIrLcukCJduFiUsqEmI/w18J2tm61ZC8Up 1Tu24jTWbPJynXEOaVKDcgJX6M8oIlVZ21FPPGDYAFOGNjRxLgS7zI3CBy9/mzmwcY LJlBXC+y7X5SXelFMlE4i0Z5baRFFxSYRpmmXejQ= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 13B3EF805D5; Fri, 10 Nov 2023 07:31:27 +0100 (CET) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 6FA04F805C9; Fri, 10 Nov 2023 07:31:26 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id E9F29F80549; Fri, 10 Nov 2023 07:28:43 +0100 (CET) Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id D2594F8055C for ; Fri, 10 Nov 2023 07:28:10 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz D2594F8055C Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 731C9200AF3; Fri, 10 Nov 2023 07:28:10 +0100 (CET) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 0DCC4201C42; Fri, 10 Nov 2023 07:28:10 +0100 (CET) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 18AB9183AD44; Fri, 10 Nov 2023 14:28:08 +0800 (+08) From: Shengjiu Wang To: hverkuil@xs4all.nl, sakari.ailus@iki.fi, tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [PATCH v9 12/15] media: uapi: Declare interface types for Audio Date: Fri, 10 Nov 2023 13:48:06 +0800 Message-Id: <1699595289-25773-13-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1699595289-25773-1-git-send-email-shengjiu.wang@nxp.com> References: <1699595289-25773-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Message-ID-Hash: FDISUFNSA2PHY7WDTAFWWIOW2NIBFGIK X-Message-ID-Hash: FDISUFNSA2PHY7WDTAFWWIOW2NIBFGIK X-MailFrom: shengjiu.wang@nxp.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Declare the interface types that will be used by Audio. The type is MEDIA_INTF_T_V4L_AUDIO. Signed-off-by: Shengjiu Wang --- .../userspace-api/media/mediactl/media-types.rst | 4 ++++ drivers/media/v4l2-core/v4l2-dev.c | 4 ++++ drivers/media/v4l2-core/v4l2-mem2mem.c | 13 +++++++++---- include/uapi/linux/media.h | 1 + 4 files changed, 18 insertions(+), 4 deletions(-) diff --git a/Documentation/userspace-api/media/mediactl/media-types.rst b/Documentation/userspace-api/media/mediactl/media-types.rst index 0ffeece1e0c8..3f0bcb18a5ca 100644 --- a/Documentation/userspace-api/media/mediactl/media-types.rst +++ b/Documentation/userspace-api/media/mediactl/media-types.rst @@ -322,6 +322,10 @@ Types and flags used to represent the media graph elements - Device node interface for Touch device (V4L) - typically, /dev/v4l-touch? + * - ``MEDIA_INTF_T_V4L_AUDIO`` + - Device node interface for Audio device (V4L) + - typically, /dev/v4l-audio? + * - ``MEDIA_INTF_T_ALSA_PCM_CAPTURE`` - Device node interface for ALSA PCM Capture - typically, /dev/snd/pcmC?D?c diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index b92c760b611a..c3a7d974db26 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -842,6 +842,10 @@ static int video_register_media_controller(struct video_device *vdev) intf_type = MEDIA_INTF_T_V4L_SUBDEV; /* Entity will be created via v4l2_device_register_subdev() */ break; + case VFL_TYPE_AUDIO: + intf_type = MEDIA_INTF_T_V4L_AUDIO; + /* Entity will be created via v4l2_device_register_subdev() */ + break; default: return 0; } diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index 0cc30397fbad..bf41d112b742 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -1134,10 +1134,15 @@ int v4l2_m2m_register_media_controller(struct v4l2_m2m_dev *m2m_dev, if (ret) goto err_rm_links0; - /* Create video interface */ - m2m_dev->intf_devnode = media_devnode_create(mdev, - MEDIA_INTF_T_V4L_VIDEO, 0, - VIDEO_MAJOR, vdev->minor); + if (vdev->vfl_type == VFL_TYPE_AUDIO) + m2m_dev->intf_devnode = media_devnode_create(mdev, + MEDIA_INTF_T_V4L_AUDIO, 0, + VIDEO_MAJOR, vdev->minor); + else + /* Create video interface */ + m2m_dev->intf_devnode = media_devnode_create(mdev, + MEDIA_INTF_T_V4L_VIDEO, 0, + VIDEO_MAJOR, vdev->minor); if (!m2m_dev->intf_devnode) { ret = -ENOMEM; goto err_rm_links1; diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index 1c80b1d6bbaf..9ff6dec7393a 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -260,6 +260,7 @@ struct media_links_enum { #define MEDIA_INTF_T_V4L_SUBDEV (MEDIA_INTF_T_V4L_BASE + 3) #define MEDIA_INTF_T_V4L_SWRADIO (MEDIA_INTF_T_V4L_BASE + 4) #define MEDIA_INTF_T_V4L_TOUCH (MEDIA_INTF_T_V4L_BASE + 5) +#define MEDIA_INTF_T_V4L_AUDIO (MEDIA_INTF_T_V4L_BASE + 6) #define MEDIA_INTF_T_ALSA_BASE 0x00000300 #define MEDIA_INTF_T_ALSA_PCM_CAPTURE (MEDIA_INTF_T_ALSA_BASE)