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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 20E33C433EF for ; Tue, 8 Feb 2022 22:00:47 +0000 (UTC) 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 D25E5180D; Tue, 8 Feb 2022 22:59:54 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz D25E5180D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1644357644; bh=L4CWDbnZT5NX2rwnTpscurq9ee75Es4BdMZ2oJM35Ec=; h=Date:Subject:To:References:From:In-Reply-To:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=a1qxoavJtoDPStYIoYEAkIA7P4Ie9zZIHcxqPPDurtUZaaVBVUg+g+292cCjDNome raNYD9DUFwN6Wwi/l8mvs1MNv9UbU/4kNpOkQ4A4QO0JjgOBEbYqTex9tkECuIlzTt VWvgxaGGsfjbg6gSoEGWk4c8fYqShdGqECVtHxqk= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 5DC1CF8012B; Tue, 8 Feb 2022 22:59:54 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 9AAADF800F0; Tue, 8 Feb 2022 22:59:53 +0100 (CET) Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id E93F9F800E1 for ; Tue, 8 Feb 2022 22:59:45 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz E93F9F800E1 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ZOGs9qjf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1644357588; x=1675893588; h=message-id:date:mime-version:subject:to:references:from: in-reply-to:content-transfer-encoding; bh=L4CWDbnZT5NX2rwnTpscurq9ee75Es4BdMZ2oJM35Ec=; b=ZOGs9qjfbHffWfdWQVjahiPLEUXB9/AxgSD9cFrDCIftyGzYWoK14r6e AP0KnAcNznh77kxyapJ4jIGCM2ec3TDTZmVhIyweRmjMG4zh4GHLDhD1F kMC+y1Zouh4E1cPUUTicAGPBbzjzrFy6LyaXwhUusuV+0VZlEEmP4qppP O2Fm5S0UC2Nrmska2NTK/1cMDEWoE8VKebFzCTPw2I3x/nanccr896svJ I4D1hPp7ckWIOPABQ5j2im+1oCR0ejodbz9fZhxPTowrOJV9tGfrBBS86 thLPmfAzXmuzpClN5rOwRCH20wnwi6/3QJ/fm+h+wG5EsUGa8B7UAoIRT A==; X-IronPort-AV: E=McAfee;i="6200,9189,10252"; a="249009241" X-IronPort-AV: E=Sophos;i="5.88,353,1635231600"; d="scan'208";a="249009241" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2022 13:59:41 -0800 X-IronPort-AV: E=Sophos;i="5.88,353,1635231600"; d="scan'208";a="499720110" Received: from anaygan-mobl1.amr.corp.intel.com (HELO [10.209.155.254]) ([10.209.155.254]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Feb 2022 13:59:41 -0800 Message-ID: <209270c3-4a46-d6a1-0f1d-d4400ecc5962@linux.intel.com> Date: Tue, 8 Feb 2022 15:55:13 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0 Thunderbird/91.5.0 Subject: Re: Cannon Lake PCH cAVS (ALC892) not detected by kernel driver Content-Language: en-US To: dmummenschanz@web.de, alsa-devel@alsa-project.org References: From: Pierre-Louis Bossart In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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 2/8/22 12:46, dmummenschanz@web.de wrote: > Hello, > > the audio chip Cannon Lake PCH cAVS ALC892 does not get recognized on > my system. Only the HDMI devices are recognized. > > lspci shows the following audio device: > 00:1f.3 Audio device: Intel Corporation Cannon Lake PCH cAVS (rev 10) > > dmesg only shows: > > [ 189.559786] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops > i915_exit [i915]) > [ 189.581395] input: HDA Intel PCH HDMI/DP,pcm=3 as > /devices/pci0000:00/0000:00:1f.3/sound/card0/input20 > [ 189.581503] input: HDA Intel PCH HDMI/DP,pcm=7 as > /devices/pci0000:00/0000:00:1f.3/sound/card0/input21 > [ 189.581628] input: HDA Intel PCH HDMI/DP,pcm=8 as > /devices/pci0000:00/0000:00:1f.3/sound/card0/input22 > [ 189.581711] input: HDA Intel PCH HDMI/DP,pcm=9 as > /devices/pci0000:00/0000:00:1f.3/sound/card0/input23 > [ 189.581849] input: HDA Intel PCH HDMI/DP,pcm=10 as > /devices/pci0000:00/0000:00:1f.3/sound/card0/input24 > > > ALSA-info file: > http://alsa-project.org/db/?f=96102ee84f258d1cac83ed33795356550181511c I see to references to ALC892 in this profile, is this information based on the hardware specs or Windows logs? we usually ask people to try with a more recent kernel, but in your case I would try to go back to a mainline release. I have no idea what this version might contain audio-wise: 5.17.0-rc3-drmtip > > There is a workaround availble: > > echo auto | tee /sys/devices/pci0000\:00/0000\:00\:1f.3/power/control > echo 1 | tee /sys/devices/pci0000\:00/0000\:00\:1f.3/remove > echo 1 | tee /sys/bus/pci/rescan > > unfortunately this doesn't work for me. The device never shows up. > Sound on winX works fine on this device btw. > I'm happy to assist with any attempts to make the sound work.