From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22B39C2D0A3 for ; Fri, 6 Nov 2020 04:40:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D71B20715 for ; Fri, 6 Nov 2020 04:40:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=dji.com header.i=@dji.com header.b="Q/IEQtbR" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726103AbgKFEkZ (ORCPT ); Thu, 5 Nov 2020 23:40:25 -0500 Received: from mail.djicorp.com ([202.66.152.220]:39347 "EHLO mail.djicorp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725616AbgKFEkZ (ORCPT ); Thu, 5 Nov 2020 23:40:25 -0500 X-Greylist: delayed 427 seconds by postgrey-1.27 at vger.kernel.org; Thu, 05 Nov 2020 23:40:22 EST DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=dji.com; i=@dji.com; q=dns/txt; s=djiselector; t=1604637623; x=1636173623; h=from:to:cc:subject:date:message-id: content-transfer-encoding:mime-version; bh=Z240+qv+bpaWBtHoaivfTDQOaAe0/mMdBO5J3b33XmQ=; b=Q/IEQtbRRVj9uoGL99ueG7chk7DrVEc0587JwOld29wgqmzK9DsFwh8e 4pNKAGXQGYli8HqkndBLjHrR+4py8YxXwVt+zXi84hjFqL1fgrSMP1vdJ Ph6/idXBsveVuPssPRnRFdNBwRzRz/wotybGW6Y1Sb0JVU2Sr9st8XX3m E=; IronPort-SDR: iIy0GVXGvOH6b8wl2/oCXRTq9VTQ5aC9TwF3eKvxBQ50fCFjCH6X2iqc3oZmnLaNLk1Z3/7FYt d6ZIJlUFztvg== X-IPAS-Result: =?us-ascii?q?A2EZDwBj0aRf/7IBCgpiHgEBCxIMR4FKgXmCX4Qzq00Tg?= =?us-ascii?q?WgLAQEBAQEBAQEBCRMcBAEBhEoZgXkmOgQNAgMBAQEDAgMBAQEBBgEBAQEBA?= =?us-ascii?q?QUEAgKGFToLhwo/BhIBBg8PKAQwFwEOAQQODZp2m34JgTAaAohrgUIJAYEAL?= =?us-ascii?q?oFlijeBLYFNPyaBIYIMImyECQESAYM0gmMEkBwSjXSZfwcOgmKBFAuZYSuDG?= =?us-ascii?q?IoShTcDjwmTTZwqhEKBbgeBAXBwgzpPFwKOOBeBAgECjSGBLAIGAQkBAQMJj?= =?us-ascii?q?TeBEQEB?= X-IronPort-Anti-Spam-Filtered: true X-IronPort-AV: E=Sophos;i="5.77,455,1596470400"; d="scan'208";a="7214638" Received: from unknown (HELO mail.dji.com) ([10.10.1.178]) by mail.djicorp.com with ESMTP/TLS/ECDHE-RSA-AES128-SHA256; 06 Nov 2020 12:33:14 +0800 Received: from MAIL-MBX-cwP03.dji.com (10.10.17.103) by djimail04-in.dji.com (10.10.1.178) with Microsoft SMTP Server (TLS) id 15.0.1104.5; Fri, 6 Nov 2020 12:33:13 +0800 Received: from MAIL-MBX-cwP02.dji.com (10.10.17.102) by MAIL-MBX-cwP03.dji.com (10.10.17.103) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 6 Nov 2020 12:33:13 +0800 Received: from MAIL-MBX-cwP02.dji.com ([fe80::f109:aaff:cc3f:6c6e]) by MAIL-MBX-cwP02.dji.com ([fe80::f109:aaff:cc3f:6c6e%17]) with mapi id 15.00.1497.006; Fri, 6 Nov 2020 12:33:14 +0800 From: Tim Li To: "balbi@kernel.org" CC: "gregkh@linuxfoundation.org" , "linux-usb@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Question: gadget: How to realize uvc and uac composite function? Thread-Topic: Question: gadget: How to realize uvc and uac composite function? Thread-Index: Adaz9XE+/m1ob40jQW6MU8JmBYMwvg== Date: Fri, 6 Nov 2020 04:33:13 +0000 Message-ID: <88a893988a394591968b139dcc750a2f@MAIL-MBX-cwP02.dji.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.10.8.101] Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org SGksDQpWZXJzaW9uOiA0LjkgYW5kIHVhYzEgZHJpdmVyIGlzIFY1LjkuIEkgdGVzdGVkIGl0IGJh c2VkIG9uIDQuOSB3aXRoIGJhY2twb3J0ZWQgZHdjMyBkcml2ZXIgZnJvbWUgdjUuOS4NCjEuIEFj Y29yZGluZyB0byBjb25maWdmcy11c2ItZ2FkZ2V0LXV2YywgUEMoV2luZG93cyAxMCkgY2FuIGdl dCBJU08gZGF0YSBub3JtYWxseTsNCjIuIEFjY29yZGluZyB0byBjb25maWdmcy11c2ItZ2FkZ2V0 LXVhYzEsIFBDKFdpbmRvd3MgMTApIGNhbiAgaW5zdGFsbCBhdWRpbyBkcml2ZXIgbm9ybWFsbHko QUMgSW50ZXJmYWNlLC9DYXB0dWUgSW5wdXQgdGVybWluYWwvU3BlYWtlcik7DQozoaJ1dmMrdWFj MSBjb21wb3NpdGUgZGV2aWNlLCBQQyhXaW5kb3dzIDEwKSBjYW4gZ2V0IElTTyBkYXRhIG5vcm1h bGx5LCBidXQgUEMgc2hvd3MgdGhhdCB0aGUgdWFjMSBkcml2ZXIgaW5zdGFsbGF0aW9uIGZhaWxl ZChBQyBJbnRlcmZhY2UvQ2FwdHVyZSBJbmFjdGl2ZS9QbGF5YmFjayBJbmFjdGl2ZSkuIEFDIElu dGVyZmFjZS9DYXB0dXJlIEluYWN0aXZlL1BsYXliYWNrIEluYWN0aXZlIGFsbCBzaG93IHRoZSBk ZXZpY2UgY2Fubm90IHN0YXJ0IGNvZGUgMTAsIFRoZSBzZXR0aW5ncyBvZiB0aGUgSS9PIGRldmlj ZSBhcmUgaW5jb3JyZWN0IG9yIHRoZSBjb25maWd1cmF0aW9uIHBhcmFtZXRlcnMgb2YgdGhlIGRy aXZlciBhcmUgaW5jb3JyZWN0LiBUaHJvdWdoIHRoZSBVU0IgYW5hbHl6ZXIgdG8gY2FwdHVyZSB0 aGUgcGFja2V0LCBJIGZvdW5kIHRoYXQgdGhlIEluZGV4IHZhbHVlIHNlZW1zIHRvIGJlIHdyb25n IHdoZW4gUEMgaG9zdCB0byBnZXQgdGhlIGRlc2NyaXB0b3IuIFRoZSBhY3F1aXNpdGlvbiBpcyBQ bGF5YmFjayBJbmFjdGl2ZSBhbmQgQ2FwdHVyZSBJbmFjdGl2ZSwgYW5kIHRoZSBQQyBkaWQgbm90 IHNlbmQgdGhlIGNvbW1hbmQgcGFja2V0IGFib3V0IHVhYzEuIEl0IGlzIGRpZmZpY3VsdCB0byBk ZWJ1ZyBpdC4NCg0KIEkgc2luY2VyZWx5IGhvcGUgdGhhdCBldmVyeW9uZSBjYW4gZ2l2ZSBzb21l IHN1Z2dlc3Rpb25zIG9yIHJlbGF0ZWQgcGF0Y2hlcyB0byBoZWxwIG1lLiBUaGFua3MgdmVyeSBt dWNoIQ0KDQpSZWdhcmRzLA0KcGVuZ2NoZW5nDQpUaGlzIGVtYWlsIGFuZCBhbnkgYXR0YWNobWVu dHMgdGhlcmV0byBtYXkgY29udGFpbiBwcml2YXRlLCBjb25maWRlbnRpYWwsIGFuZCBwcml2aWxl Z2VkIG1hdGVyaWFsIGZvciB0aGUgc29sZSB1c2Ugb2YgdGhlIGludGVuZGVkIHJlY2lwaWVudC4g QW55IHJldmlldywgY29weWluZywgb3IgZGlzdHJpYnV0aW9uIG9mIHRoaXMgZW1haWwgKG9yIGFu eSBhdHRhY2htZW50cyB0aGVyZXRvKSBieSBvdGhlcnMgaXMgc3RyaWN0bHkgcHJvaGliaXRlZC4g SWYgeW91IGFyZSBub3QgdGhlIGludGVuZGVkIHJlY2lwaWVudCwgcGxlYXNlIGNvbnRhY3QgdGhl IHNlbmRlciBpbW1lZGlhdGVseSBhbmQgcGVybWFuZW50bHkgZGVsZXRlIHRoZSBvcmlnaW5hbCBh bmQgYW55IGNvcGllcyBvZiB0aGlzIGVtYWlsIGFuZCBhbnkgYXR0YWNobWVudHMgdGhlcmV0by4N Cg0KtMu159fT08q8/rywuL28/sv5sPy6rMTayN2+39PQu/rD3NDUo6zH0r32z97T2r3TytXIy8q5 08Oho860vq3UytDto6y9+9a5tdrI/cjL1MS2waGiuLTWxrvytKuypbjDtefX09PKvP7W0LXEyM66 ztDFz6Kho8jnufvE+rK7yvTT2tLUyc+159fT08q8/rXExL+x6r3TytXV36Osx+vE+sGivLTNqNaq t6LLzcjLsqLJvrP91K2159fT08q8/rywxuTP4LnYtcS4vbz+oaMNCg==