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 934B8CFD642 for ; Wed, 7 Jan 2026 14:41:37 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [45.14.194.44]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 38F28601FF; Wed, 7 Jan 2026 15:41:25 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 38F28601FF DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1767796895; bh=Q75PUVfRtuY8QWTxv6BMBpiw7g7hOg3wxodzSzfH9tM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-Id: List-Archive:List-Help:List-Owner:List-Post:List-Subscribe: List-Unsubscribe:From; b=Ovs6GcO+77iz7Os0kRhkhe56tBgk0RoseBBtMHD71IoyEEswOr0whu1qLnvRk8+8e /aXtMuzji5lny+T/2akigatvN3ZWpgX3TIRFvVjWNrZUn4jKLGzrIYBCRMJXO6phti EBm3Ac3gCjelO9RqyJpv/WGYo59kgWBuuD0sJ5fA= Received: by alsa1.perex.cz (Postfix, from userid 50401) id 77AC7F805D8; Wed, 7 Jan 2026 15:40:59 +0100 (CET) Received: from mailman-core.alsa-project.org (mailman-core.alsa-project.org [10.254.200.10]) by alsa1.perex.cz (Postfix) with ESMTP id 90927F805D4; Wed, 7 Jan 2026 15:40:59 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id F2569F80448; Wed, 7 Jan 2026 15:39:59 +0100 (CET) Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 0E8FCF80088 for ; Wed, 7 Jan 2026 15:39:57 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 0E8FCF80088 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=LvB+4JhK Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id BF5AA6001A; Wed, 7 Jan 2026 14:39:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 77913C4CEF7; Wed, 7 Jan 2026 14:39:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767796795; bh=Q75PUVfRtuY8QWTxv6BMBpiw7g7hOg3wxodzSzfH9tM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LvB+4JhKbda4mmj0X3qM85nhPeACCBo00ZgxyMhayuSlC0L0OS7D9mSimB8nX5BeX 8WuokuV9MKk1J4NrOnxQcRJWsH5d8aGN2b+fXmBuva8SsAjAtsbCFJWNLzLlK8NJAw fiIy5fa9X3gXTqmXtgarkOrjpugV3CeNN6QoWaC196EHcQtyBmeAHXgLMPiDU7GFcE oHXjrt+iyi1LwU0dT5bd+Rx2oOvaN8sLMkyeKfuyzdIHLtRoUgrfOg8ZHe3k0IoqV1 m5bCtTgZk3Y1WRXqeu5YyFdWdXo7L7kf5U4kjSbl8lh5b2BEEiB7WqZtoFAKnS4Bjk bYnvf1urtFHZw== Received: from johan by xi.lan with local (Exim 4.98.2) (envelope-from ) id 1vdUhM-000000000ym-15Vg; Wed, 07 Jan 2026 15:39:44 +0100 Date: Wed, 7 Jan 2026 15:39:44 +0100 From: Johan Hovold To: Simone Flavio Paris Cc: linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org Subject: Re: [BUG REPORT] arm64: dts: qcom: x1e80100: Audio routing issues on ThinkPad T14s Gen 6 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Message-ID-Hash: LR74OKG4XXCJX6WMG3DHAX7VAW4DSU7C X-Message-ID-Hash: LR74OKG4XXCJX6WMG3DHAX7VAW4DSU7C X-MailFrom: johan@kernel.org X-Mailman-Rule-Hits: nonmember-moderation X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1 X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Wed, Jan 07, 2026 at 03:09:10PM +0100, Simone Flavio Paris wrote: > I am testing the latest experimental kernels on the Lenovo ThinkPad > T14s Gen 6 (Snapdragon X Elite). > > I have encountered a specific issue with the audio subsystem: while > the DSP and ALSA stack appear fully functional (firmware loads, > streams are processed without errors), there is no analog output on > speakers or headphones. > > I have performed extensive diagnostics and manual mixer path > configurations to rule out userspace/UCM issues. Below is a detailed > technical report of the current status, routing attempts, and logs. > > I hope this information helps in refining the machine driver or > topology profiles for this specific device. I am available to test > patches if needed. > > [Technical Report] > > Target Hardware: Lenovo ThinkPad T14s Gen 6 (21N1) - Snapdragon X > Elite (X1E80100) > OS: Ubuntu 25.10 (Debian-based) > Kernel: 6.17.0-8-generic #8-Ubuntu SMP PREEMPT_DYNAMIC aarch64 You need to report this to your distro as this is not a mainline issue. IIUC, Ubuntu disables audio by default until you pass a kernel parameter due to the lack of speaker protection. Johan