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=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 0BE2CC4742C for ; Mon, 9 Nov 2020 02:10:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 99CBA206C1 for ; Mon, 9 Nov 2020 02:10:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=dji.com header.i=@dji.com header.b="srUAoI+a" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729255AbgKICKu (ORCPT ); Sun, 8 Nov 2020 21:10:50 -0500 Received: from mail.djicorp.com ([14.21.64.4]:56013 "EHLO mail.djicorp.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1728006AbgKICKu (ORCPT ); Sun, 8 Nov 2020 21:10:50 -0500 X-Greylist: delayed 439 seconds by postgrey-1.27 at vger.kernel.org; Sun, 08 Nov 2020 21:10:44 EST DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dji.com; s=djiselector; h=from:to:cc:subject:date:message-id: content-transfer-encoding:mime-version; bh=Z240+qv+bpaWBtHoaivfTDQOaAe0/mMdBO5J3b33XmQ=; b=srUAoI+arnciVZvOdZW54MCe3rXEdOgGzPT/6YHgdr1FQCoN+lCs9uY+ nkZsZh8N+sDvHiHeDQkYeJjjLi8ahwRSaNixeFykgfxt3pbH4VZZTMlBc dW8E+HUnjx3ShibgDl4XH8pejsZsAYpjr9UmFP3IghIiLKpQimP0SWagG k=; IronPort-SDR: vet+B9TNl9UDuD8I/xDFVhhzTrZHaqch6D1CpYvya6TELaRVv5K08EEJpBtxjd8vPu1wvcwV2t f+hB9LLvf3Mw== X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: =?us-ascii?q?A2EIBQBCoKhf/7IBCgpiHgEBCxIMR4N?= =?us-ascii?q?DgmOEM6tjgWgLAQEBAQEBAQEBCRMcBAEBhEoZgXomOBMCAwEBCwEBBgEBAQE?= =?us-ascii?q?BBgQCAoZPC4cKPwYSAQYPDygEMBcBDgEEDg2XO5t+CYEwGgKIcIFCCQGBAC6?= =?us-ascii?q?BZYo8gS2BTT8mgSGCDCJshAkBEgGDNIJjBJAdEo13mgAHDoJigRULmWQrgxi?= =?us-ascii?q?KEoU3A48Mk06cK4RDgWuBC3BwgzpPFwKOOBeBAgECjSGBLAIGAQkBAQMJjTe?= =?us-ascii?q?BEQEB?= X-IPAS-Result: =?us-ascii?q?A2EIBQBCoKhf/7IBCgpiHgEBCxIMR4NDgmOEM6tjgWgLA?= =?us-ascii?q?QEBAQEBAQEBCRMcBAEBhEoZgXomOBMCAwEBCwEBBgEBAQEBBgQCAoZPC4cKP?= =?us-ascii?q?wYSAQYPDygEMBcBDgEEDg2XO5t+CYEwGgKIcIFCCQGBAC6BZYo8gS2BTT8mg?= =?us-ascii?q?SGCDCJshAkBEgGDNIJjBJAdEo13mgAHDoJigRULmWQrgxiKEoU3A48Mk06cK?= =?us-ascii?q?4RDgWuBC3BwgzpPFwKOOBeBAgECjSGBLAIGAQkBAQMJjTeBEQEB?= X-IronPort-AV: E=Sophos;i="5.77,462,1596470400"; d="scan'208";a="60263688" Received: from unknown (HELO mail.dji.com) ([10.10.1.178]) by mail.djicorp.com with ESMTP; 09 Nov 2020 10:03:12 +0800 Received: from MAIL-MBX-cwP04.dji.com (10.10.17.104) by djimail04-in.dji.com (10.10.1.178) with Microsoft SMTP Server (TLS) id 15.0.1104.5; Mon, 9 Nov 2020 10:03:11 +0800 Received: from MAIL-MBX-cwP02.dji.com (10.10.17.102) by MAIL-MBX-cwP04.dji.com (10.10.17.104) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 9 Nov 2020 10:03:11 +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; Mon, 9 Nov 2020 10:03:11 +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: Ada2PEqQqZapFjGpRP6iM/G2ZHY0Ig== Date: Mon, 9 Nov 2020 02:03:11 +0000 Message-ID: <883ccf2fb0a34c7d8466db09b3f26e72@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==