From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from IND01-MA1-obe.outbound.protection.outlook.com (mail-ma1ind01olkn0160.outbound.protection.outlook.com [104.47.100.160]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B77922C81 for ; Mon, 29 Nov 2021 07:27:34 +0000 (UTC) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=mmOx1WrpWq2VmD529wy1wfD4fTR6ctKVDFGAFOP1rOdRZWeHq65DtE+cQNiVh9KDdHu8e4QGszSbnEa2cxkR+ntVQtMW8d59kvbMYSHqEIbOpgBC9UulHYlfoXl/qXcZc+fKCe8/WoL/1PREwhRdfTkKQYVIyIVaOPNTdSeDKZL2tkXs5bYCCEZBsIIqJbOgt5M5jJt84BJcwkkquPgBvwDQfoSUBFNO0i0tT4Mxw2dEsz5FZtA6+qHr/UjpsL3uZXIyr7K9//dVg+pDswnwc1ZomcUzd4luHJlsw0aO/e97I7gPDnaZgtzt5W1wgen/cReIvl2LYBOZRyYZdy7b2w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=ezaD05mN2CAN+de0npTH+mEkoByuVYhbgVzuxiWVpuA=; b=Tr9iHTgpLVwyj54ph61XHcIc9BW2uxi6voZKbvnqc7S2aojRigFbqKrdmJAijgANfI5hRdc9HACJi5e4hKB+ewnBZKMfAYH11oZzRGD299XyYJ1sBAk6fCjJKyy/KGW2sJ8yLjCaH/cN2t3t1FkxomkZLv/sE6IB3ZgkGwnw3ux7+UvtHW1t8f24LvY98PK23zFO9DEMst9ZN7T9Z5ehqzEnqN30g7H7uR87zQHThXIOTk8wi7rb3X8kO6iUe3/cDoXZfYBuaxiwJxl5jSUEAj7sCdLut6a6pBwxk1bw/YJKyaVRSqDyXxAIdeCHv3kxaVPjgrUnigs+JqEwpEiR5g== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=none; dmarc=none; dkim=none; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=live.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=ezaD05mN2CAN+de0npTH+mEkoByuVYhbgVzuxiWVpuA=; b=uaZbGQmC6EPuvzf50ieTlkgbfsTpQyR/VtxP+ZdKupcEbmmJp9qnBVfEpZJeD4TYa0aSLsyMhyoLfP+HtK6xGoNV/1LdGwCvHRPBmKuRFoDlkCjGoiwFDrzZ0gY53oshzrEzMr6ybuO9JNmym+emSlnOHWLmDPY9k81lHHdswTah1Nqm+3xIGiajGmh51RPJ06upPq8cSVaMzRU26bZtmUPJYT4iKcnQ4BEKmo/jsm+vOn6+UbRXzq/W0y3t5k57SijyQ7ggdRehNfjHnKreJfirabOa/TZgOnvvKYoQPM7BbRh5gCjAAr6ZFCw0IK2CzA60QfAH9070CZScLX7qmw== Received: from PNZPR01MB4415.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c01:1b::13) by PNZPR01MB5261.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c01:3f::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4734.23; Mon, 29 Nov 2021 07:27:28 +0000 Received: from PNZPR01MB4415.INDPRD01.PROD.OUTLOOK.COM ([fe80::7ca6:9165:19ec:4cd7]) by PNZPR01MB4415.INDPRD01.PROD.OUTLOOK.COM ([fe80::7ca6:9165:19ec:4cd7%5]) with mapi id 15.20.4734.024; Mon, 29 Nov 2021 07:27:28 +0000 From: Aditya Garg To: Thorsten Leemhuis CC: Marcel Holtmann , Orlando Chamberlain , Daniel Winkler , Greg KH , Johan Hedberg , "linux-bluetooth@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Luiz Augusto von Dentz , "regressions@lists.linux.dev" , "sonnysasaka@chromium.org" , "stable@vger.kernel.org" Subject: [PATCH 2/6] btbcm: disable read tx power for MacBook Pro 16,1 (16 inch, 2019) Thread-Topic: [PATCH 2/6] btbcm: disable read tx power for MacBook Pro 16,1 (16 inch, 2019) Thread-Index: AQHX5PKQ779Jt2FqjECoFOtr+7YrOA== Date: Mon, 29 Nov 2021 07:27:28 +0000 Message-ID: <5B9FF471-42DD-44DA-A9CE-0A83BA7A4212@live.com> References: <20211001083412.3078-1-redecorating@protonmail.com> <70a875d0-7162-d149-dbc1-c2f5e1a8e701@leemhuis.info> <20211116090128.17546-1-redecorating@protonmail.com> <3B8E16FA-97BF-40E5-9149-BBC3E2A245FE@live.com> <52DEDC31-EEB2-4F39-905F-D5E3F2BBD6C0@live.com> <8919a36b-e485-500a-2722-529ffa0d2598@leemhuis.info> <20211117124717.12352-1-redecorating@protonmail.com> <40550C00-4EE5-480F-AFD4-A2ACA01F9DBB@live.com> <332a19f1-30f0-7058-ac18-c21cf78759bb@leemhuis.info> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-tmn: [4P0Q6Gbsj2O8DBiibN+tlVQWUPcOp2UyxPY6nfhoH0aHmXuolZbSqORFHA0mlItf] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: b610a320-e3d2-4c5e-4a02-08d9b309b2f6 x-ms-traffictypediagnostic: PNZPR01MB5261: x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: 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 Content-Type: text/plain; charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-OriginatorOrg: sct-15-20-3174-20-msonline-outlook-a1a1a.templateTenant X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: PNZPR01MB4415.INDPRD01.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-CrossTenant-Network-Message-Id: b610a320-e3d2-4c5e-4a02-08d9b309b2f6 X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Nov 2021 07:27:28.7919 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-rms-persistedconsumerorg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: PNZPR01MB5261 From: Aditya Garg Bluetooth on Apple MacBook Pro 16,1 is unable to start due to LE Min/Max Tx= Power being queried on startup. Add a DMI based quirk so that it is disabl= ed. Signed-off-by: Aditya Garg Tested-by: Aditya Garg --- drivers/bluetooth/btbcm.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/bluetooth/btbcm.c b/drivers/bluetooth/btbcm.c index e4182acee488c5..c1b0ca63880a68 100644 --- a/drivers/bluetooth/btbcm.c +++ b/drivers/bluetooth/btbcm.c @@ -8,6 +8,7 @@ =20 #include #include +#include #include =20 #include @@ -343,9 +344,23 @@ static struct sk_buff *btbcm_read_usb_product(struct h= ci_dev *hdev) return skb; } =20 +static const struct dmi_system_id disable_broken_read_transmit_power[] =3D= { + { + /* Match for Apple MacBook Pro 16,1 which needs + * Read LE Min/Max Tx Power to be disabled. + */ + .matches =3D { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,1"), + }, + }, + { } +}; + static int btbcm_read_info(struct hci_dev *hdev) { struct sk_buff *skb; + const struct dmi_system_id *dmi_id; =20 /* Read Verbose Config Version Info */ skb =3D btbcm_read_verbose_config(hdev); @@ -362,6 +377,11 @@ static int btbcm_read_info(struct hci_dev *hdev) =20 bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]); kfree_skb(skb); + + /* Read DMI and disable broken Read LE Min/Max Tx Power */ + dmi_id =3D dmi_first_match(disable_broken_read_transmit_power); + if (dmi_id) + set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks); =20 return 0; }