From patchwork Thu Apr 1 10:24:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yun-hao Chung X-Patchwork-Id: 413764 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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham 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 35F5AC43461 for ; Thu, 1 Apr 2021 10:29:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F1C61606A5 for ; Thu, 1 Apr 2021 10:29:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234368AbhDAK2h (ORCPT ); Thu, 1 Apr 2021 06:28:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234262AbhDAK1w (ORCPT ); Thu, 1 Apr 2021 06:27:52 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8F7BC0617A7 for ; Thu, 1 Apr 2021 03:25:35 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id f75so5262086yba.8 for ; Thu, 01 Apr 2021 03:25:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=pjLc0GCGeoKt3WMjr9IqnkfrKbYNQrPENY0f+UGyKOs=; b=Ix55Ab0zKrENL+X7zErw7gE48EA2Za9+KC2GHXX3LqekqNR3acb3oZePJurhc/mjNk 68UNoPIt3rSQFq5AbZIT8IGdFIHXm854TBVyidZELm/HrAOlV1jEvROwa9XsrAbuk8GR A3XR/e/lZguQBdfTrrMfxxDcRuXWIwU3fYEsNknu/8noHc5uDRYZBzhYnwPeXeOwms9i kXBTF+9vizLRnvWaYwkHbXiQHcfsG/55KqE+G8GAUxNV+tILzIqbpJVfbodI3RpoTHav LxSQldY58ADU3qia6OyLZ2+FlZXdtTF34dtTs1ftvAgYm5UL0S3un7H73rgl+/gyOLXp u+GQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=pjLc0GCGeoKt3WMjr9IqnkfrKbYNQrPENY0f+UGyKOs=; b=aqN3v6anLrvITmAbjc1d1DzUQF/M/YcTZfMr4L5nuAIktYMdA4EcZaj4MUYOEvxBgk 15CkkM40JUHfu9avC8wRHAU0odxf4IdLEg+RbPfppLOa3vGGpONyF9OSkKssoE+FcRgu ZA/tXx244rBCWKTih096k02NJ8hOAppyhp/c8Ildh6rEVYTcxqdLIxWx8oOBQ1qOuxj4 mW6TjMFlAS8nEDegoj1S+B0bs6jtNTCNmRiL/SpoBhRBqTEI2EvqRywwsN9wwu+BJJ27 2FnlfSgDkj+jYLG6y6+NNn0sf82lc02d/ACoU7mEwZVZmon+CQTBCHhVwGbJaVQVU/ZQ yG2A== X-Gm-Message-State: AOAM5335EHV+nG7n7BbqsjW6Ac1hwHPRu8cpL7UF2keFfMS2v8Iyzu1j AjdjiZiJ98LX3fY3GInezzVZ3RMbKj8hUy8EKxZZ4jFj9UC/bn8SeOvv4T3OFV/PZoLtAEl2TPC VUhqNsYrnlztprnX+5s+QMKUE6b7ULZRApGqByaaMTw5KLaV/k9Cx9BmTsp937cDBnFcBRAd/gg RvfVbeYLAWU9w= X-Google-Smtp-Source: ABdhPJzbCjkeGeJiJN7Ji4I7RFmD046LopJXicTfSSBqwjLOb3vgD3tUfoE0g6891FnPeHmEi7zOFZZmMC0Pw2jLwQ== X-Received: from howardchung-p920.tpe.corp.google.com ([2401:fa00:1:10:ad88:abe:9fd5:a5fc]) (user=howardchung job=sendgmr) by 2002:a25:cf90:: with SMTP id f138mr10630786ybg.421.1617272735031; Thu, 01 Apr 2021 03:25:35 -0700 (PDT) Date: Thu, 1 Apr 2021 18:24:44 +0800 In-Reply-To: <20210401102447.3958224-1-howardchung@google.com> Message-Id: <20210401182328.Bluez.5.Ie6faf8aa794d1df17758bd5bd693d13fed68e85d@changeid> Mime-Version: 1.0 References: <20210401102447.3958224-1-howardchung@google.com> X-Mailer: git-send-email 2.31.0.291.g576ba9dcdaf-goog Subject: [Bluez PATCH 5/8] audio: Remove Media1 interface when a2dp source disallowed From: Howard Chung To: linux-bluetooth@vger.kernel.org, luiz.dentz@gmail.com Cc: Howard Chung , Miao-chen Chou , Sonny Sasaka Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org When A2DP source profile is not allowed by policy, we remove the a2dp_server and everything inside the object, which also release all MediaEndpoints and MediaPlayer. When admin re-allowed A2DP source profile, although we recreate the a2dp_server, clients are not able to know they can register their endpoint and player now. This patch handle this case by unregistering Media1 interface when we remove a2dp_server, and register it back when a2dp_source is allowed. Reviewed-by: Miao-chen Chou Reviewed-by: Sonny Sasaka --- profiles/audio/a2dp.c | 2 ++ profiles/audio/avrcp.c | 3 +++ 2 files changed, 5 insertions(+) diff --git a/profiles/audio/a2dp.c b/profiles/audio/a2dp.c index d31ed845cbe7..26d4f365207e 100644 --- a/profiles/audio/a2dp.c +++ b/profiles/audio/a2dp.c @@ -3275,6 +3275,7 @@ static int a2dp_source_server_probe(struct btd_profile *p, { struct a2dp_server *server; + media_register(adapter); DBG("path %s", adapter_get_path(adapter)); server = find_server(servers, adapter); @@ -3315,6 +3316,7 @@ static void a2dp_source_server_remove(struct btd_profile *p, return; a2dp_server_unregister(server); + media_unregister(adapter); } static int a2dp_sink_server_probe(struct btd_profile *p, diff --git a/profiles/audio/avrcp.c b/profiles/audio/avrcp.c index 05dd791ded7c..c25495f19492 100644 --- a/profiles/audio/avrcp.c +++ b/profiles/audio/avrcp.c @@ -4735,6 +4735,8 @@ static void avrcp_controller_server_remove(struct btd_profile *p, if (server->tg_record_id == 0) avrcp_server_unregister(server); + + media_unregister(adapter); } static int avrcp_controller_server_probe(struct btd_profile *p, @@ -4745,6 +4747,7 @@ static int avrcp_controller_server_probe(struct btd_profile *p, DBG("path %s", adapter_get_path(adapter)); + media_register(adapter); server = find_server(servers, adapter); if (server != NULL) goto done;