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 7D2FD36213E; Mon, 9 Mar 2026 07:05:34 +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=1773039934; cv=none; b=ixuyww0Msl/DQzJoBJ+/+H+OM4GkAzEfvBGuTU0ILa6oyoiQiS0Cqwz5Fximlr2uw72KuHrXJgs25YwTTblNLmqb13qod8/Ig/TNXhZr8OHvW7q5ftDLmwSlSRvVuBwpsngpneFv4DnB5OKmnIahis7py7RfhGY/LlOLfINVmRE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773039934; c=relaxed/simple; bh=L3Z29wr/eYd5+5ERT1JKC38BkITfo/zrTyympCj1EVQ=; h=From:To:Cc:In-Reply-To:References:Subject:Message-Id:Date: MIME-Version:Content-Type; b=QR6Ht8a0C5vphn1iqLOOg8vWstffiybkOqgRvqaooKP3S4eLbW8mExwADknVsnU/n1erbkXxvvpY4pfFEhbPtMiO+TAq7m9OxOmoA/sRZPxHStrZT8qRm2tib2Fixo42D7qZGMZt0TRWxOtUW0g5Ibq5l09bTGw3LvBE6Ldw0UQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Bn94/Bmz; 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="Bn94/Bmz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A480AC4CEF7; Mon, 9 Mar 2026 07:05:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773039934; bh=L3Z29wr/eYd5+5ERT1JKC38BkITfo/zrTyympCj1EVQ=; h=From:To:Cc:In-Reply-To:References:Subject:Date:From; b=Bn94/Bmzk3MebXx23pOtlwX1hneogQw5nKS7Q6E18hIzgJZws99Z6/U+b1E31CQQC XAEDngcKoSZINWEVsWdPTOYUgooze0XPGqcY7UFBFrJXHc/OnZLB6TlTqUMZ42QDkF pnHn30im89xQARjjwAFs4LRw6I1riAPVDfq6e2IpXlnL/xDwRjRHaNanTnMPlFGxhd hB1L5wOFMeCwtTXOpVzs3r1Nci4gfKQSYwQEOsbQMJx5vw+NgmwLcMs2A/eqZhCjvN 0sY722DnPkqYgo4ZEOMDXooZ4n+RkzpUq+inhXCflhqXv/uerAvcgli7zKrMB7bRep jEBhocFfz3ECg== From: Vinod Koul To: yung-chuan.liao@linux.intel.com, Cole Leavitt Cc: pierre-louis.bossart@linux.dev, david.rhodes@cirrus.com, rf@opensource.cirrus.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, linux-sound@vger.kernel.org, patches@opensource.cirrus.com, linux-kernel@vger.kernel.org In-Reply-To: <20260217233533.4716-1-cole@unwrap.rs> References: <20260217233533.4716-1-cole@unwrap.rs> Subject: Re: [PATCH 0/2] soundwire: suppress expected unattach warnings during codec reset Message-Id: <177303993139.65210.11138511504912531971.b4-ty@kernel.org> Date: Mon, 09 Mar 2026 08:05:31 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.13.0 On Tue, 17 Feb 2026 16:35:31 -0700, Cole Leavitt wrote: > On systems with CS35L56 SoundWire codecs (e.g. Lenovo ThinkPad P16 > Gen3), every boot produces misleading dev_warn() messages: > > cs35l56 sdw:0:2:01fa:3556:01:0: Slave 2 state check1: UNATTACHED, status was 1 > cs35l56 sdw:0:2:01fa:3556:01:1: Slave 1 state check1: UNATTACHED, status was 1 > > These fire when the CS35L56 driver triggers a system reset after > firmware download, which physically detaches the codec from the bus. > This is expected and handled gracefully -- the driver waits for > re-enumeration and the codec recovers within milliseconds. > > [...] Applied, thanks! [1/1] soundwire: bus: demote UNATTACHED state warnings to dev_dbg() commit: 2c96956fe764f8224f9ec93b2a9160a578949a7a Best regards, -- ~Vinod