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=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 B749DC432BE for ; Mon, 30 Aug 2021 15:04:22 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7926860C40 for ; Mon, 30 Aug 2021 15:04:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 7926860C40 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=holtmann.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:To:References:Message-Id:Cc:Date: In-Reply-To:From:Subject:Mime-Version:Reply-To:Content-ID:Content-Description :Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=mrRaJckLT5XCUbFTWSUT9QWckbplqzx9QEfVYPnGFWQ=; b=GzzXtQusT9z2I4 6STyX9WSjU53iNTccy1LzoY+QVLlqNDdMr3VUhQfp5AEq/LhnzJAZV0eTmGCBLtHvLQsKGourhKoN sBti0cM69EuP4PMf9s+lFLCS7++io93w+MLZmao8yMShXrvoB9tY9BgjAMwriX6MHzqpfu6PtEWiJ xZIGjU8XhjtvrPk0pDDwl0n1rqwE9WqF1UA/jbM5P1bmZ/scv87qlLYotN+1zlNguz+I63Grd4IQS Bvaqt1eUIik/HS7vVHhfdTS8IvyydMDg5GpwO6ob6RhCEckgeAuxOYG93ADWbvLZSMNp+DiXgojlR A53Ln9DfnNGn+kLWmHMA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mKipT-00HUdv-PW; Mon, 30 Aug 2021 15:04:07 +0000 Received: from coyote.holtmann.net ([212.227.132.17] helo=mail.holtmann.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mKipQ-00HUck-VL for linux-mediatek@lists.infradead.org; Mon, 30 Aug 2021 15:04:06 +0000 Received: from smtpclient.apple (p5b3d2185.dip0.t-ipconnect.de [91.61.33.133]) by mail.holtmann.org (Postfix) with ESMTPSA id E63E2CECC3; Mon, 30 Aug 2021 17:03:59 +0200 (CEST) Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Subject: Re: [PATCH 1/2] Bluetooth: btusb: Support public address configuration for MediaTek Chip. From: Marcel Holtmann In-Reply-To: <20210824154430.27689-1-mark-yw.chen@mediatek.com> Date: Mon, 30 Aug 2021 17:03:59 +0200 Cc: Johan Hedberg , sean.wang@mediatek.com, linux-bluetooth@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, michaelfsun@google.com, mcchou@chromium.org Message-Id: References: <20210824154430.27689-1-mark-yw.chen@mediatek.com> To: =?utf-8?B?Ik1hcmstWVcgQ2hlbiAo6Zmz5o+a5paHKSI=?= X-Mailer: Apple Mail (2.3654.120.0.1.13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210830_080405_198209_27579354 X-CRM114-Status: GOOD ( 15.77 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hi Mark, > The MediaTek chip support vendor specific HCI command(0xfc1a) to > change the public address. Add hdev->set_bdaddr handler for MediaTek > Chip. > > Signed-off-by: mark-yw.chen > --- > drivers/bluetooth/btusb.c | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c > index 60d2fce59a71..41e7c9f28d82 100644 > --- a/drivers/bluetooth/btusb.c > +++ b/drivers/bluetooth/btusb.c > @@ -2200,6 +2200,23 @@ struct btmtk_section_map { > }; > } __packed; > > +static int btusb_set_bdaddr_mtk(struct hci_dev *hdev, const bdaddr_t *bdaddr) > +{ > + struct sk_buff *skb; > + long ret; > + > + skb = __hci_cmd_sync(hdev, 0xfc1a, sizeof(bdaddr), bdaddr, HCI_INIT_TIMEOUT); > + if (IS_ERR(skb)) { > + ret = PTR_ERR(skb); > + bt_dev_err(hdev, "changing Mediatek device address failed (%ld)", > + ret); > + return ret; > + } > + kfree_skb(skb); > + > + return 0; > +} > + this is not a permanent change, correct? Meaning a power cycle will bring back the original BD_ADDR? Regards Marcel _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek