From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 DBA6B3346A9 for ; Wed, 7 Jan 2026 14:39:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767796795; cv=none; b=WHBsSoEHz+xy3rTxeWehhrCmEKXmXsgLt8+iiu7CY9AbIGO/c2+BgtY6Xw0MeSk+R5RtLcrauTAJVfCuwJg8c9SspN/XC6HMhoMr8rEQqQl9LpKeMFsMS966yGchzhFP/ilOZ6qdNr/Ma5khgTkY0WZHpzUsQDhdDfAKGFB3ATo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767796795; c=relaxed/simple; bh=Q75PUVfRtuY8QWTxv6BMBpiw7g7hOg3wxodzSzfH9tM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jKaPct7Goan7iMGSne/oXDAKQ4oCy2KnbH7aFAaIQ3HktMVjFEw/O6PeaLCDg5zB2SQZb/zem2pAD26wdmpRPFoXt6As2jbRQYZv5ILqzAVMcbH+Is0z/LDz8C08zw/EcrB8825tuypY1T0YLcSawjrF3beCu1g/WjigFfpDqUc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LvB+4JhK; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LvB+4JhK" 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: Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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