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 2A4BC2FD1D0; Fri, 6 Mar 2026 01:08:05 +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=1772759286; cv=none; b=CRBFU8ermi1YKrJuSWygLlnlz9C26RCDsG+Z/1u6kI1TDDTMte6GJm/XsHkrm0cUZC/DO0VkPjwbf8SsXA6fZkR5WTr+d+RAVujOiP1jTfouiHSUqLyjnwuKyyH+KcwjUOZuh4nFw2FQpkAB5tel9T4bhFAQDGz5ATZWqf0uYto= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772759286; c=relaxed/simple; bh=B8tOVBmY+EUIN1uBk+9h1I345IZ9kWKRDBkL7ai3E+c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Xi/NWDTnz7oXoXhQ5A55S3bSvZehP5lZO6eujOGy8W/oVzBIenaERdd0aJPRFfxiTXUDHnGNTejP++exqp1kwMUPauBtuY6a6OHtuejELEo9HLSdw7VOIfqZ0p7/3wRRb9PWO2FXqsK/iUFUbHFWpGCCnJekfcZY6Oobff25OqU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eBGE/NEM; 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="eBGE/NEM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9165FC116C6; Fri, 6 Mar 2026 01:08:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772759285; bh=B8tOVBmY+EUIN1uBk+9h1I345IZ9kWKRDBkL7ai3E+c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=eBGE/NEMtv8RnAK1NsRCzKwTehVMKfN4lo71QN8VB1giD9Ll3K2eVqM9ROWSJhL62 Kyozcnue96JT2usj8dX9rD40ZU9rFsltFdpJpbFCWXoRl1fgMEqp0IlqphDtNEYoJ1 dxjIy2goVblgNGVkPJeyBUF8Jkxlvnr2IVxaPTw0nLeJ6CTVOJ2hodI5VOg0OzFAX6 BmCBFaRCyLGJH/Irrzsff46QxEpobLEsrLGbOEadB2vPLZYoies7HS8O9G8eOZZg5T bSfZlxp4UU3+vFPUWE4B/x7Z+uTqnlFBkjh+KcAGpTG8lvX6oek7WGETrdoZ+oJRiJ SdXY9//8DGzhQ== Date: Thu, 5 Mar 2026 19:08:04 -0600 From: "Rob Herring (Arm)" To: James Calligeros Cc: Shengjiu Wang , Shawn Guo , Takashi Iwai , imx@lists.linux.dev, Jaroslav Kysela , devicetree@vger.kernel.org, Fabio Estevam , Baojun Xu , Frank Li , Kuninori Morimoto , asahi@lists.linux.dev, Mark Brown , Liam Girdwood , Shenghao Ding , Pengutronix Kernel Team , linux-sound@vger.kernel.org, Kevin Lu , Conor Dooley , Krzysztof Kozlowski , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sascha Hauer Subject: Re: [PATCH v3 3/7] ASoC: dt-bindings: add TDM slot idle mode properties Message-ID: <177275928407.908052.10390059527937221650.robh@kernel.org> References: <20260301-tdm-idle-slots-v3-0-c6ac5351489a@gmail.com> <20260301-tdm-idle-slots-v3-3-c6ac5351489a@gmail.com> 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=us-ascii Content-Disposition: inline In-Reply-To: <20260301-tdm-idle-slots-v3-3-c6ac5351489a@gmail.com> On Sun, 01 Mar 2026 18:05:22 +1000, James Calligeros wrote: > Add properties to describe TDM slot idle behaviour. These properties can > be used to describe how a DAI is supposed to behave when not active. > > For example, Apple Silicon laptops split a single I2S bus between two > physical lines which are combined at an OR gate in front of the > receiving port. One codec on each line is expected to transmit zeroes > during the active TDM slots of the opposite line, or we will have corrupted > data at the receiver. > > Signed-off-by: James Calligeros > --- > .../bindings/sound/tdm-slot.yaml | 19 +++++++++++++++++++ > 1 file changed, 19 insertions(+) > Reviewed-by: Rob Herring (Arm)