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 5173CC433F5 for ; Thu, 2 Dec 2021 08:04:41 +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 A21122239; Thu, 2 Dec 2021 09:03:49 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz A21122239 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1638432279; bh=LqN5CitoklHERQdHo6ht6KsM9Vboxy/zDFjOMA4/B2U=; h=Date:From:To:Subject:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=jqR7p2IjXFnoddNrnoVwDt8nOaePpK/Tzjq231FEG8unVy9aAK/MI18d5ASm/Jv+4 5Fe7F4eGMfhmJZ3vEMiHxrBL6T9eldHy8G3K3Hw77dNzPWMt6+XmjBAdB88JYokcOk 3cSctbQD85W4GohDSuhpzuVM/dhYhXBFSQfRKi9g= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id E3ABAF800EE; Thu, 2 Dec 2021 09:03:48 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 087F3F800EE; Thu, 2 Dec 2021 09:03:45 +0100 (CET) Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 3C2DDF800EE for ; Thu, 2 Dec 2021 09:03:38 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 3C2DDF800EE Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=suse.de header.i=@suse.de header.b="ni1E4tfj"; dkim=permerror (0-bit key) header.d=suse.de header.i=@suse.de header.b="GXjlgP2F" Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 797F7212BC; Thu, 2 Dec 2021 08:03:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1638432217; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=TujVUvJoaeUCCPsVGZJvtwjzBcFlTe3dbnnCUBuxlBQ=; b=ni1E4tfjIaK/cM6kEJzXqMgQacQnnOuPd5wJgQYSh/V+nkaFQBNrQwbYKJp63SzKhM+93t Be5R1Vpaumv0CNV5WILHB5QACgKmxOg4BOyRjuPjLzTm5Bew/pOT/Ut/BIDRAulgJVMMQ7 eTBT4DYuv0YjJZVRsoiTOCeALXKWNO8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1638432217; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=TujVUvJoaeUCCPsVGZJvtwjzBcFlTe3dbnnCUBuxlBQ=; b=GXjlgP2FsculuBjj+mgO1v9ciUKsluBuE8DCLle5JPtCfbwZdFkTjtuK4WkpsncSe4yMdE 63RtQoPfORh8fHCQ== Received: from alsa1.suse.de (alsa1.suse.de [10.160.4.42]) by relay2.suse.de (Postfix) with ESMTP id 5FF44A3C1A; Thu, 2 Dec 2021 08:03:37 +0000 (UTC) Date: Thu, 02 Dec 2021 09:03:37 +0100 Message-ID: From: Takashi Iwai To: Kai-Heng Feng Subject: Re: [PATCH] ALSA: hda/hdmi: Consider ELD is invalid when no SAD is present In-Reply-To: <20211202073338.1384768-1-kai.heng.feng@canonical.com> References: <20211202073338.1384768-1-kai.heng.feng@canonical.com> 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: Guennadi Liakhovetski , alsa-devel@alsa-project.org, Kai Vehmanen , linux-kernel@vger.kernel.org, Ranjani Sridharan , tiwai@suse.com, Hui Wang 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 Thu, 02 Dec 2021 08:33:35 +0100, Kai-Heng Feng wrote: > > There's a system that reports a bogus HDMI audio interface: > $ cat eld#2.0 > monitor_present 1 > eld_valid 1 > monitor_name > connection_type DisplayPort > eld_version [0x2] CEA-861D or below > edid_version [0x3] CEA-861-B, C or D > manufacture_id 0xe430 > product_id 0x690 > port_id 0x0 > support_hdcp 0 > support_ai 0 > audio_sync_delay 0 > speakers [0xffff] FL/FR LFE FC RL/RR RC FLC/FRC RLC/RRC FLW/FRW FLH/FRH TC FCH > sad_count 0 > > Since playing audio is not possible without SAD, also consider ELD is > invalid for this case. > > Signed-off-by: Kai-Heng Feng Thanks, applied. Takashi