From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-189.mta0.migadu.com (out-189.mta0.migadu.com [91.218.175.189]) (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 03B2D27E049 for ; Wed, 17 Sep 2025 20:22:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.189 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758140556; cv=none; b=uJcyJCxHKHacUZ5vNemi7xBTkqHcobBbnHpOr8mRkWm/au2P5BUvDq6k+IwsmLxGgaGc0YiP9dPSfBN+AAB8Oc/HmSAjnCPy/Mag9wCqNWfHZJkm1okK6BRrhN1vXrHk2xvkNT3UooNeMJjjblYXWtav6SPk4n8TbnE60QnJArM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758140556; c=relaxed/simple; bh=2nt2lGQpLbJLQi/uGzvhicTXwcBRyJ3aoXEsqO8L5z4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ZhsvpsPiYK3NyVhJdQdGMz5MfpH/GEXvb2xjxPIalJxFdfgbosr30MUnfD3AMn+qBMGpwcZ0/vaTj9T8ss8GdL6PjKu1fV/VNez1G6xKFqjP5bc07KfZfhDoGZWZzTCGYRnHD4jIHq21xx4omoP1sj8JjLdgRgQQwZQeoEV+bMo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=liiy4l4N; arc=none smtp.client-ip=91.218.175.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="liiy4l4N" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1758140553; 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=GYgrnM+cYQNRy1r3d9s6V+4Gb7XcDgD9XneIP752s3A=; b=liiy4l4NUzaTxly6gz63xQF1XIy6pWQXVvnRgelYZ/jHnYFzbq9CKFA2F6HKPJ1tmNyrnd mRTcHMMUJ7IKHn0BrhcJI/AOcJp39B0hNE7SRYD3zN5PHAHrgvItzDlE8kCbiGgSm1HNJK AiLSq8yRS6EVnE/bTmENRLVoPKzvCzQ= Date: Wed, 17 Sep 2025 22:20:55 +0200 Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v2 00/20] Add SDCA UMP/FDL support To: Charles Keepax , broonie@kernel.org Cc: rafael@kernel.org, yung-chuan.liao@linux.intel.com, peter.ujfalusi@linux.intel.com, shumingf@realtek.com, lgirdwood@gmail.com, linux-sound@vger.kernel.org, patches@opensource.cirrus.com References: <20250912103504.2679226-1-ckeepax@opensource.cirrus.com> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Pierre-Louis Bossart In-Reply-To: <20250912103504.2679226-1-ckeepax@opensource.cirrus.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 9/12/25 12:34, Charles Keepax wrote: > Next installment of the SDCA changes, hopefully the next series after > this should be the full class driver. It is worth noting this series has > a build dependency on a patch working its way through the PM/ACPI tree: > > commit ac46f5b6c661 ("ACPICA: Add SoundWire File Table (SWFT) signature") > git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git > > But we can probably worry about that later, as normally there is a > reasonable amount of review on these SDCA series'. > > This series broadly breaks down into 3 chunks, first there are several > changes to remove the assumption that the struct device used for SDCA > purposes represents the SoundWire slave. This is because the SDCA class > driver will be made of an auxiliary driver for each SDCA Function, thus > the SoundWire slave will be on the parent device for each individual > driver. Then there are patches to add support for UMP/FDL. And then > finally since the rest of the HID support is there and UMP was the last > missing part required a small patch to add a function to allow reporting > of HID events from SDCA devices. This is starting to look quite good... There are still a number of opens on the UMP flows, but I won't be able to follow-up until late Fall so no objections from me if this is merged and later improved. Thanks Charles and Maciej for this contribution!