From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-201.mailbox.org (mout-p-201.mailbox.org [80.241.56.171]) (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 B20A915687D for ; Fri, 8 May 2026 15:45:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778255133; cv=none; b=gssVTjn/qbbGJ+LLE414C6bPKQjFnnexBWGp5C/xShPkJWhfjwTi16zvUub1GVyyrpGx2p2z9JX9He/hSD8zcFIeN44Q5Ek6TUlgOr1/xhhEbTuGUsChfRg1qM10PGs+SRk0LRAqDDyfBB524bEV6VBlF+Mb1EmQd5NJUDPqAng= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778255133; c=relaxed/simple; bh=vLlKBfiUZ8jHnIFgRjRTGfHLdHtNDHSxujcvuZF3Hv0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pXUByxD3s7NKP97mkWs4hb5bEeEvdGp7ZzpTE7Wl4dhVY27KlIJS1nN6Zcx8uyhWI/TdCDmgOAnZyAB+A7qPQTpBNPlce1Rq8p531y12lW8qtXwgDNH+MZC8zaunXg2qtylA+02qRCb2N2P3Xv5o7sQZStxtRsn+XclR3c+u4LY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=iRDfAKda; arc=none smtp.client-ip=80.241.56.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="iRDfAKda" Received: from smtp2.mailbox.org (smtp2.mailbox.org [IPv6:2001:67c:2050:b231:465::2]) (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 mout-p-201.mailbox.org (Postfix) with ESMTPS id 4gBtjz3gHRz9tsk; Fri, 8 May 2026 17:45:27 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1778255127; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pGvfGw0nhmCwlVK3TDQtmjDHY88ZNxQpyTLInW59rdU=; b=iRDfAKda0FggPQNC62D8n2s4+7blP0agIVKxyTopjOEK8RLwH4wpP5t5kQAst+10J0758W D+crGppLXcNeQVQrBdme8aMCrJA29uk9QLTExerR+r9garm3ayxlmpJRPSyL5fVts2Xb5p ZXsS7ghCNOeHIiNFKmZ1rnQ9nh6MYL185Bcz4LX1cA5hkXSKE+Y1ceamymOJI//zq/y4eE BeCFop/aO0Wx2Q9Hrq3ugLMGomGrR63RIjUhGNNfTG81g0bTSNU6+p4bKn5wFOrvKwCiZ9 lSx59E8slf1OLafClxvA4o1hQAik7wLnEuvk2+h1vkDXlenAoFje2IStQ5cBZw== From: Tobias Bachmann To: Charles Keepax Cc: linux-sound@vger.kernel.org, Richard Fitzgerald , David Rhodes , patches@opensource.cirrus.com, Mark Brown Subject: Re: ASoC: cs42l43: SDCA reattach timeout on Dell XPS 14 Panther Lake; chip stuck across distros and kernels; worked initially; still working at hardware level Date: Fri, 08 May 2026 17:45:19 +0200 Message-ID: <77iVa-LES8uCgAj99Tw0vA@mailbox.org> In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" X-MBO-RS-META: kqi961ar5r43bfcn5spsfoi9t8jjk8wg X-MBO-RS-ID: c8e0bc2767e6c137ff5 On Fri, May 08, 2026 at 5:21:44PM CEST, Charles Keepax wrote: > On Fri, May 08, 2026 at 04:16:19PM +0100, Charles Keepax wrote: > > On Fri, May 08, 2026 at 04:56:03PM +0200, Tobias Bachmann wrote: > > > On Fri, May 08, 2026 at 10:41:10AM CEST, Charles Keepax wrote: > > > > > > From what I can gather, the audio path doesn't appear to gate on > > > _STA > > > for this device: > > > - soundwire sdw-master-0-0 still reports SDW Slave Addr > > > > > > 3001fa424501 > > > > > > - ACPI still announces the SDCA functions: device:29 SmartMic, > > > > > > device:2a UAJ, device:2b HID > > > > > > - sdca_class still binds and reaches "probe complete" > > > - sdca_class sdw:0:0:01fa:4245:01: timed out waiting for > > > > > > device re-attach (5s after probe complete) > > > > > > - No soundcard created > > > > Hmm... yeah I think maybe your kernel is missing: > > > > de67b4ea168f ("soundwire: slave: Don't register devices that are > > disabled in ACPI") > > > > I think that was only moved into Linus's tree after v7.0. If > > possible you could pull that in and retest. > > Although I am little worried more might be required looking > more closely. But let me know if you can test how it gets on > otherwise I will add it to my list to poke. I think last time I > tested that it was for a device that didn't also have a bunch of > SDCA stuff and some of that runs through a different path so > little nervous that might need a gate too. Fortunately not. Tested on 7.1.0-rc2 and the speakers work fine. Lovely stuff :) This is probably a very unique solution to a unique problem. But I'd be happy to test patches etc if you can use this information to foolproof the architecture, which might help others. Best wishes, Tobias