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=-8.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 91511C433ED for ; Fri, 16 Apr 2021 08:53:24 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 07D666115B for ; Fri, 16 Apr 2021 08:53:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 07D666115B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 76E961676; Fri, 16 Apr 2021 10:52:31 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 76E961676 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1618563201; bh=KRu/kNxgSQnxFjOjSLmb9gioQQWjKNuDyMXvXrWul8E=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=hTbphzV/n3pmNboc3uK9DmpRx5Bra4igePgEOWK5/3u194g8jE7CRxSsQIrbN4FMt sBUJmbwyrs/66mMcLuTUJ2nbMTzFzxxJwxMBVlV5lx1HE76bSiU0Xx2bz910y1TCoL peFiGaZAgTv5qHAATiAuPLqZbUwvouLrVzQEH17E= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id C64F8F80128; Fri, 16 Apr 2021 10:52:30 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 40E18F80254; Fri, 16 Apr 2021 10:52:29 +0200 (CEST) Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id CBA76F800B9 for ; Fri, 16 Apr 2021 10:52:24 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz CBA76F800B9 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 59A56AF28; Fri, 16 Apr 2021 08:52:24 +0000 (UTC) Date: Fri, 16 Apr 2021 10:52:24 +0200 Message-ID: From: Takashi Iwai To: Jaroslav Kysela Subject: Re: [PATCH] ALSA: hda/realtek: Add quirk for Lenovo Ideapad S740 In-Reply-To: References: <20210416081211.20059-1-tiwai@suse.de> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Cc: alsa-devel@alsa-project.org, Kailang Yang , Ryan Prescott X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Fri, 16 Apr 2021 10:47:32 +0200, Jaroslav Kysela wrote: > > Dne 16. 04. 21 v 10:12 Takashi Iwai napsal(a): > > Lenovo Ideapad S740 requires quite a few COEF setups to make its > > speakers working. The verb table was provided from Ryan Prescott as > > the result of investigation via qemu: > > https://github.com/ryanprescott/realtek-verb-tools/wiki/How-to-sniff-verbs-from-a-Windows-sound-driver > > [Cc: to Kailang / Realtek] > > I believe that this sequence contains I2C writes to amplifier chips. It would > be really helpful, if Realtek can provide more information for the I2C master > interface for their codecs (describe basic I2C I/O). Indeed. Already a few drivers need the initialization of the chip behind HD-audio, and it'd be good if we have some standard interface for that. thanks, Takashi