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 X-Spam-Level: X-Spam-Status: No, score=-2.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1EC0C282DA for ; Fri, 19 Apr 2019 18:21:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9127B222CC for ; Fri, 19 Apr 2019 18:21:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555698108; bh=XHIcc+InZcMRKE/iIosd/4j5YhM4T1flX/WIoiVT5kQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=cTWWSuEUWrKz8k/CJdDTx0oV9EZjv/81KRB6/WzSPWaa4HkGSqW1sfgBKkST05Dq/ sf0UxWBcljwa5HWfS8s8l3KVPRgkepRuFvi/M7yJ24Nbh1LuRgY5JE3X/ZUN1yAY/8 Nh1cJk3duFuVkrErUmNVblAYl4eCWcWVwsscF8mw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727447AbfDSSVr (ORCPT ); Fri, 19 Apr 2019 14:21:47 -0400 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:38528 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727792AbfDSSVo (ORCPT ); Fri, 19 Apr 2019 14:21:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sirena.org.uk; s=20170815-heliosphere; h=In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=XHIcc+InZcMRKE/iIosd/4j5YhM4T1flX/WIoiVT5kQ=; b=KYsVljjpmQLPfwAl3i8h0MGM/ kYFRCn8aLa0ZgoIV4aH7RKbNzPN0+Lj2IonLHA6nwqh6fmOSx8Uts3BWEp+9vi2GjcxmtY+eF4a2F d+y+YJm3qZxW7IliBL4eAbhD4P1ipr4kOWr+kKhGXdl9Ymdu0gskTQuwk0ebSjhjXmsbg=; Received: from 188.29.164.213.threembb.co.uk ([188.29.164.213] helo=finisterre.ee.mobilebroadband) by heliosphere.sirena.org.uk with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hHUqf-0008Au-6g; Fri, 19 Apr 2019 14:50:41 +0000 Received: by finisterre.ee.mobilebroadband (Postfix, from userid 1000) id AF634441D3B; Fri, 19 Apr 2019 15:41:25 +0100 (BST) Date: Fri, 19 Apr 2019 15:41:25 +0100 From: Mark Brown To: Baolin Wang Cc: arnd@arndb.de, robh+dt@kernel.org, mark.rutland@arm.com, orsonzhai@gmail.com, zhang.lyra@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] soc: sprd: Add Spreadtrum multi-channel data transfer support Message-ID: <20190419144125.GQ2803@sirena.org.uk> References: <64ca5af0373c35590d8ac9f2b62e3c9fa46e3551.1555670768.git.baolin.wang@linaro.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="KHqYxKoy+XnO4RVf" Content-Disposition: inline In-Reply-To: <64ca5af0373c35590d8ac9f2b62e3c9fa46e3551.1555670768.git.baolin.wang@linaro.org> X-Cookie: Shah, shah! Ayatollah you so! User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --KHqYxKoy+XnO4RVf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Apr 19, 2019 at 06:54:32PM +0800, Baolin Wang wrote: > On Spreadtrum platform, the audio subsystem will use the multi-channel > data transfer controller to transfer sound stream between audio subsystem > and other AP/CP subsystem. >=20 > It can support 10 DAC channel and 10 ADC channel, and each channel has > 512 bytes depth data fifo. Moreover each channel can be used DMA mode > or interrupt mode to transfer data. Acked-by: Mark Brown However if there's no non-audio users of this DSP then it's probably better to just move the driver into sound/soc. --KHqYxKoy+XnO4RVf Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAly53hQACgkQJNaLcl1U h9CrfAgAgKhtRYO2+kmMmBkcuQ/s8uuZSLrUMumTD7DYz2Vtma0W2005NnVL4HmS VlRKRuE2DMY+czRQDuAoCZ8sAupwNKTaNFJoxdxoU10BB9j7Uf9FcWCyBM/wq+1y WXJi9FnDo+80YMci4EJnmWihO0CBcoRle1mJKgktTn0J0XFvVdLFxh0pTYrIA4KM rNFkryGnXfwUqRwG0+px1d8nETvQyn4TR+noq5TQZXUQvOuJTMi9aGU8/arwwt2F bgep8AhfF77ekw2szZKHtAxjSjUfRppqzTV+rIW+Nh9ud5jks92sUlqVZVS/J8Yq fUwNiz8qRuE2qxDpqZb1Y7wjVsluhA== =dgnu -----END PGP SIGNATURE----- --KHqYxKoy+XnO4RVf--