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=-3.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 81720C3F2CD for ; Mon, 23 Mar 2020 17:34:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5CBD820722 for ; Mon, 23 Mar 2020 17:34:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="p3ta1vMY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726618AbgCWReV (ORCPT ); Mon, 23 Mar 2020 13:34:21 -0400 Received: from mail26.static.mailgun.info ([104.130.122.26]:60490 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725880AbgCWReV (ORCPT ); Mon, 23 Mar 2020 13:34:21 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1584984860; h=Date: Message-Id: Cc: To: References: In-Reply-To: From: Subject: Content-Transfer-Encoding: MIME-Version: Content-Type: Sender; bh=SCTjATZ3qnPRY/Zu85XDghzjZtiQUeZiurZDQd7DCKo=; b=p3ta1vMYa59NGsAmhZ2hgJGjhtbiARWcB5pUCrsFGwqFfhguyW5MN4KQohnT25dIrRb06Cnp GWmg+4udSioJ1H/XJDU3Cg0j94XsUfx27JnpVeVrTkJYogXXWLkImEE6x2aRF7iG3Ttw1MRK JOUIV0Ky74CGX8tViuviw84QMik= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e78f317.7f59d4878ca8-smtp-out-n02; Mon, 23 Mar 2020 17:34:15 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id BE20BC433BA; Mon, 23 Mar 2020 17:34:15 +0000 (UTC) Received: from potku.adurom.net (88-114-240-156.elisa-laajakaista.fi [88.114.240.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: kvalo) by smtp.codeaurora.org (Postfix) with ESMTPSA id 9625FC433D2; Mon, 23 Mar 2020 17:34:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 9625FC433D2 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=kvalo@codeaurora.org Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [PATCH] rtw88: 8822c: config RF table path B before path A From: Kalle Valo In-Reply-To: <20200318095224.12940-1-yhchuang@realtek.com> References: <20200318095224.12940-1-yhchuang@realtek.com> To: Cc: , User-Agent: pwcli/0.0.0-git (https://github.com/kvalo/pwcli/) Python/2.7.12 Message-Id: <20200323173415.BE20BC433BA@smtp.codeaurora.org> Date: Mon, 23 Mar 2020 17:34:15 +0000 (UTC) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org wrote: > From: Yan-Hsuan Chuang > > After MAC switched power, the hardware's RF registers will have > its default value, but the default value for path B is incorrect. > So, load RF path B first, to decrease the period between MAC on > and RF path B config. > > By test, if we load path A first, then there's ~300ms that the > path B is incorrect, it could lead to BT coex's A2DP glitch. > But if we configure path B first, there will only have ~3ms, > significantly lower possibility to have A2DP sound glitch. > > Signed-off-by: Yan-Hsuan Chuang Patch applied to wireless-drivers-next.git, thanks. 11a64888c79b rtw88: 8822c: config RF table path B before path A -- https://patchwork.kernel.org/patch/11444805/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches