From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AA51BF513EB for ; Fri, 6 Mar 2026 01:08:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kVu8enQJ9US+W6TOMUmMoGmFRaxBflhKUpLN5jmIpF8=; b=kMCWIWBZ4ubrEyDLlanuG3L9bz 4NgHBLm6sM5Bfn2/qRq8hlsL/rrk79qmnzxhvoiojoab8g0LoE9Q/h+E42R2AeAQCw3cxelcvP3xI 2cGr9z5sWS1tyFDgmP4VYTu00PJvvMi9GRymqFlRQLWP+UKQH98g9TyYzhwzNsA8Lbfio+el2LAiF ngFGhcqqxy+ZfgmiDA6xHa0DIxZB+94FT4QNQpBdwDhGl5Q+lZ/C6YSNz8aNh5RAZQk0vVynjgbWA NzPHb047947D5ZGkObotXeoKVSxM2ALdjCWf3kxNEuyV8AH4IyqBcImPetrJicTr3iUgwjAQXIP3w 1cu1qLjg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vyJfm-00000002otD-2kbr; Fri, 06 Mar 2026 01:08:10 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vyJfi-00000002ork-2Fuj for linux-arm-kernel@lists.infradead.org; Fri, 06 Mar 2026 01:08:07 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id E52B443E2E; Fri, 6 Mar 2026 01:08:05 +0000 (UTC) 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> 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260305_170806_603129_1102A757 X-CRM114-Status: GOOD ( 12.73 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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)