From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail1.perex.cz (mail1.perex.cz [77.48.224.245]) (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 2B6CC81E; Mon, 17 Feb 2025 10:11:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=77.48.224.245 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739787122; cv=none; b=HQvvok0WaqcmOS1tM2gaI1fZC3YqsGc7W2Ohqh2cs8CQa+kkTiFmw4P2spEXr0hbpe4t2bmpTlnpwZodUT4TgEW0yfGRO624mIiCl2zSSuqwAwYjEFdjOSkhqHtX0QhHF6+JXFE0coI16yWKFQbSs85jYsFfn9pWA5RrDvxVsNs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739787122; c=relaxed/simple; bh=KIG+slLeKzead4aD5YTJdvh+CHRJ6og0qlTWXlC+76M=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=d8hsgt4aT6tVk/MjqjfLXmL/Z0b3VNGO+DCsoNdiwsQEBDgGQq56Q3PjDPAH5HIORV/Y44ba8LfcM5DYGJ7NojqTV+wCo+F99inVmeqIYSkliEc3C8IOmps3KyghFkHXvO0fkTfxMhBCfIaKFPYwEtiIC5pB7c3TVWMqdTIkZVw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=perex.cz; spf=pass smtp.mailfrom=perex.cz; dkim=pass (1024-bit key) header.d=perex.cz header.i=@perex.cz header.b=XPi01MKp; arc=none smtp.client-ip=77.48.224.245 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=perex.cz Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=perex.cz Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=perex.cz header.i=@perex.cz header.b="XPi01MKp" Received: from mail1.perex.cz (localhost [127.0.0.1]) by smtp1.perex.cz (Perex's E-mail Delivery System) with ESMTP id 280CC36291; Mon, 17 Feb 2025 11:11:48 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.perex.cz 280CC36291 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=perex.cz; s=default; t=1739787108; bh=AMF7NaGwj93Lf1JLvP1kuJSvDaUJ4atT2i/5SY7OddY=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=XPi01MKpPOh1i9Gi8bK81jcgiOnQ/LwD1ZPo9S43Ma0ssN3gPB1cVOJcVj1RmomXk nBnqadSvYnGmyW2wVhTbzVw0HJCAzPU8MpTtp1j3DdHWXoUYldqWOAeIBHmZyBFRqJ ZnrsX2L2M/XaplO5xLMNsT0R+510sfX+c2uIRB0w= Received: from [192.168.100.98] (unknown [192.168.100.98]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: perex) by mail1.perex.cz (Perex's E-mail Delivery System) with ESMTPSA; Mon, 17 Feb 2025 11:11:39 +0100 (CET) Message-ID: Date: Mon, 17 Feb 2025 11:11:37 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] ALSA: hda/realtek: Enable PC beep passthrough for HP EliteBook 855 G7 To: Takashi Iwai , "Maciej S. Szmigiero" Cc: Takashi Iwai , Kailang Yang , Oder Chiou , Shuming Fan , Qiu Wenbo , linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org References: <7461f695b4daed80f2fc4b1463ead47f04f9ad05.1739741254.git.mail@maciej.szmigiero.name> <87jz9o99ef.wl-tiwai@suse.de> Content-Language: en-US From: Jaroslav Kysela Autocrypt: addr=perex@perex.cz; keydata= xsFNBFvNeCsBEACUu2ZgwoGXmVFGukNPWjA68/7eMWI7AvNHpekSGv3z42Iy4DGZabs2Jtvk ZeWulJmMOh9ktP9rVWYKL9H54gH5LSdxjYYTQpSCPzM37nisJaksC8XCwD4yTDR+VFCtB5z/ E7U0qujGhU5jDTne3dZpVv1QnYHlVHk4noKxLjvEQIdJWzsF6e2EMp4SLG/OXhdC9ZeNt5IU HQpcKgyIOUdq+44B4VCzAMniaNLKNAZkTQ6Hc0sz0jXdq+8ZpaoPEgLlt7IlztT/MUcH3ABD LwcFvCsuPLLmiczk6/38iIjqMtrN7/gP8nvZuvCValLyzlArtbHFH8v7qO8o/5KXX62acCZ4 aHXaUHk7ahr15VbOsaqUIFfNxpthxYFuWDu9u0lhvEef5tDWb/FX+TOa8iSLjNoe69vMCj1F srZ9x2gjbqS2NgGfpQPwwoBxG0YRf6ierZK3I6A15N0RY5/KSFCQvJOX0aW8TztisbmJvX54 GNGzWurrztj690XLp/clewmfIUS3CYFqKLErT4761BpiK5XWUB4oxYVwc+L8btk1GOCOBVsp 4xAVD2m7M+9YKitNiYM4RtFiXwqfLk1uUTEvsaFkC1vu3C9aVDn3KQrZ9M8MBh/f2c8VcKbN njxs6x6tOdF5IhUc2E+janDLPZIfWDjYJ6syHadicPiATruKvwARAQABzSBKYXJvc2xhdiBL eXNlbGEgPHBlcmV4QHBlcmV4LmN6PsLBjgQTAQgAOBYhBF7f7LZepM3UTvmsRTCsxHw/elMJ BQJbzXgrAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEDCsxHw/elMJDGAP/ReIRiRw lSzijpsGF/AslLEljncG5tvb/xHwCxK5JawIpViwwyJss06/IAvdY5vn5AdfUfCl2J+OakaR VM/hdHjCYNu4bdBYZQBmEiKsPccZG2YFDRudEmiaoaJ1e8ZsiA3rSf4SiWWsbcBOYHr/unTf 4KQsdUHzPUt8Ffi9HrAFzI2wjjiyV5yUGp3x58ZypAIMcKFtA1aDwhA6YmQ6lb8/bC0LTC6l cAAS1tj7YF5nFfXsodCOKK5rKf5/QOF0OCD2Gy+mGLNQnq6S+kD+ujQfOLaUHeyfcNBEBxda nZID7gzd65bHUMAeWttZr3m5ESrlt2SaNBddbN7NVpVa/292cuwDCLw2j+fAZbiVOYyqMSY4 LaNqmfa0wJAv30BMKeRAovozJy62j0AnntqrvtDqqvuXgYirj2BEDxx0OhZVqlI8o5qB6rA5 Pfp2xKRE8Fw3mASYRDNad08JDhJgsR/N5JDGbh4+6sznOA5J63TJ+vCFGM37M5WXInrZJBM3 ABicmpClXn42zX3Gdf/GMM3SQBrIriBtB9iEHQcRG/F+kkGOY4QDi4BZxo45KraANGmCkDk0 +xLZVfWh8YOBep+x2Sf83up5IMmIZAtYnxr77VlMYHDWjnpFnfuja+fcnkuzvvy7AHJZUO1A aKexwcBjfTxtlX4BiNoK+MgrjYywzsFNBFvNeCsBEACb8FXFMOw1g+IGVicWVB+9AvOLOhqI FMhUuDWmlsnT8B/aLxcRVUTXoNgJpt0y0SpWD3eEJOkqjHuvHfk+VhKWDsg6vlNUmF1Ttvob 18rce0UH1s+wlE8YX8zFgODbtRx8h/BpykwnuWNTiotu9itlE83yOUbv/kHOPUz4Ul1+LoCf V2xXssYSEnNr+uUG6/xPnaTvKj+pC7YCl38Jd5PgxsP3omW2Pi9T3rDO6cztu6VvR9/vlQ8Z t0p+eeiGqQV3I+7k+S0J6TxMEHI8xmfYFcaVDlKeA5asxkqu5PDZm3Dzgb0XmFbVeakI0be8 +mS6s0Y4ATtn/D84PQo4bvYqTsqAAJkApEbHEIHPwRyaXjI7fq5BTXfUO+++UXlBCkiH8Sle 2a8IGI1aBzuL7G9suORQUlBCxy+0H7ugr2uku1e0S/3LhdfAQRUAQm+K7NfSljtGuL8RjXWQ f3B6Vs7vo+17jOU7tzviahgeRTcYBss3e264RkL62zdZyyArbVbK7uIU6utvv0eYqG9cni+o z7CAe7vMbb5KfNOAJ16+znlOFTieKGyFQBtByHkhh86BQNQn77aESJRQdXvo5YCGX3BuRUaQ zydmrgwauQTSnIhgLZPv5pphuKOmkzvlCDX+tmaCrNdNc+0geSAXNe4CqYQlSnJv6odbrQlD Qotm9QARAQABwsF2BBgBCAAgFiEEXt/stl6kzdRO+axFMKzEfD96UwkFAlvNeCsCGwwACgkQ MKzEfD96Uwlkjg/+MZVS4M/vBbIkH3byGId/MWPy13QdDzBvV0WBqfnr6n99lf7tKKp85bpB y7KRAPtXu+9WBzbbIe42sxmWJtDFIeT0HJxPn64l9a1btPnaILblE1mrfZYAxIOMk3UZA3PH uFdyhQDJbDGi3LklDhsJFTAhBZI5xMSnqhaMmWCL99OWwfyJn2omp8R+lBfAJZR31vW6wzsj ssOvKIbgBpV/o3oGyAofIXPYzhY+jhWgOYtiPw9bknu748K+kK3fk0OeEG6doO4leB7LuWig dmLZkcLlJzSE6UhEwHZ8WREOMIGJnMF51WcF0A3JUeKpYYEvSJNDEm7dRtpb0x/Y5HIfrg5/ qAKutAYPY7ClQLu5RHv5uqshiwyfGPaiE8Coyphvd5YbOlMm3mC/DbEstHG7zA89fN9gAzsJ 0TFL5lNz1s/fo+//ktlG9H28EHD8WOwkpibsngpvY+FKUGfJgIxpmdXVOkiORWQpndWyRIqw k8vz1gDNeG7HOIh46GnKIrQiUXVzAuUvM5vI9YaW3YRNTcn3pguQRt+Tl9Y6G+j+yvuLL173 m4zRUU6DOygmpQAVYSOJvKAJ07AhQGaWAAi5msM6BcTU4YGcpW7FHr6+xaFDlRHzf1lkvavX WoxP1IA1DFuBMeYMzfyi4qDWjXc+C51ZaQd39EulYMh+JVaWRoY= In-Reply-To: <87jz9o99ef.wl-tiwai@suse.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 17. 02. 25 11:02, Takashi Iwai wrote: > On Sun, 16 Feb 2025 22:31:03 +0100, > Maciej S. Szmigiero wrote: >> >> PC speaker works well on this platform in BIOS and in Linux until sound >> card drivers are loaded. Then it stops working. >> >> There seems to be a beep generator node at 0x1a in this CODEC >> (ALC269_TYPE_ALC215) but it seems to be only connected to capture mixers >> at nodes 0x22 and 0x23. >> If I unmute the mixer input for 0x1a at node 0x23 and start recording >> from its "ALC285 Analog" capture device I can clearly hear beeps in that >> recording. >> >> So the beep generator is indeed working properly, however I wasn't able to >> figure out any way to connect it to speakers. >> >> However, the bits in the "Passthrough Control" register (0x36) seems to >> work at least partially: by zeroing "B" and "h" and setting "S" I can at >> least make the PIT PC speaker output appear either in this laptop speakers >> or headphones (depending on whether they are connected or not). >> >> >> There are some caveats, however: >> * If the CODEC gets runtime-suspended the beeps stop so it needs HDA beep >> device for keeping it awake during beeping. >> >> * If the beep generator node is generating any beep the PC beep passthrough >> seems to be temporarily inhibited, so the HDA beep device has to be >> prevented from using the actual beep generator node - but the beep device >> is still necessary due to the previous point. >> >> * In contrast with other platforms here beep amplification has to be >> disabled otherwise the beeps output are WAY louder than they were on pure >> BIOS setup. >> >> >> Unless someone (from Realtek probably) knows how to make the beep generator >> node output appear in speakers / headphones using PC beep passthrough seems >> to be the only way to make PC speaker beeping actually work on this >> platform. >> >> Signed-off-by: Maciej S. Szmigiero >> --- >> >> Since more than 6 weeks has now passed since the previous version of this >> patch was posted, yet no better or other solution was provided I'm >> re-submitting an updated version of the original patch. >> >> This solution has been working fine for me on this platform all that time, >> without any obvious issues. >> >> Changes from v1: >> * Correct the typo in !IS_ENABLED(CONFIG_INPUT_PCSPKR) code that the >> kernel test robot found. >> >> * Change codec_warn() into dev_warn_once(hda_codec_dev(codec)) >> to avoid spamming the kernel log at runtime PM CODEC re-init. > > This is really a thing to be checked by Realtek people at first, as > it's very vendor-specific thing. > > Kailang, please check this. The primary issue seems to be with the beep signal routing to the analog outputs. The hidden codec registers accessed through the coefficient nodes may play a role for this setup. Only Realtek can give a solid answer for this (lack of public codec documentation). Jaroslav -- Jaroslav Kysela Linux Sound Maintainer; ALSA Project; Red Hat, Inc.