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[2003:ef:a70b:e300:b18d:f5dc:fccf:bd68]) by smtp.gmail.com with ESMTPSA id i2-20020adfdec2000000b002b9b9445149sm37858595wrn.54.2023.01.18.07.30.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Jan 2023 07:30:54 -0800 (PST) Received: from hathi.site (localhost [IPv6:::1]) by hathi.site (Postfix) with ESMTP id 3679D80928; Wed, 18 Jan 2023 16:30:53 +0100 (CET) From: Mike FABIAN To: alsa-devel@alsa-project.org Subject: No sound on HDMI by default on Lenovo T14s using Fedora 37 Organization: Red Hat X-Face: "'; oPz9V1+<,`}1ZuxRv~EiSusWq*{Yjr"Sdvbhq'?q=2R\\6Y9O/,SAE`{J|6I=|w/sQg< rW_N'E3IV6~f8?\l#Es`]S`mv',PY(`8{$$R?+gLu}Qv/Mn>)?uladFjJ@yl!_p_Jh; 5QxlD6zL:?r IXe4FfK$C^mWhh$o`yt; .r.FLZLQOWBt> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Wed, 18 Jan 2023 17:08:49 +0100 X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.29 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: , Cc: Takashi Iwai Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" With a Lenovo Thinkpad T14s (Gen1, Intel version), I tried to get sound on the monitor speakers via the HDMI cable. It didn’t work out of the box and after a bit of googling I found: https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T-series-Laptops/T14s-AMD-no-HDMI-audio-on-Linux/m-p/5081195?page=2 which suggested to put snd_rn_pci_acp3x.dmic_acpi_check=0 on the kernel command line. So I tried this: $ cat /etc/modprobe.d/lenovot14s.conf options snd-rn-pci-acp3x dmic_acpi_check=0 And that did make it work indeed. I have no idea what this means and why this makes it work. -- Mike FABIAN 睡眠不足はいい仕事の敵だ。