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=-8.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 8A847C433E2 for ; Thu, 3 Sep 2020 03:31:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6324A2072A for ; Thu, 3 Sep 2020 03:31:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Lh3AakFc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728237AbgICDbp (ORCPT ); Wed, 2 Sep 2020 23:31:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47952 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728129AbgICDbn (ORCPT ); Wed, 2 Sep 2020 23:31:43 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F80EC061244 for ; Wed, 2 Sep 2020 20:31:42 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id w7so1104184pfi.4 for ; Wed, 02 Sep 2020 20:31:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=jVbQJV7FQRWnjXc4WFRtSyL4necLOFwK41hOpTt0Y3c=; b=Lh3AakFc2ktTayAXJ3pnozs/7S5cR9pjcLsMH65p4Oypa4yVlDrB9sxuRsvs1ZqnJf m4Q0T8KEeVSiLJk58AEEWBzSDM22WlwCsu4r4uQ95h9GjGMNX3XSWrqAFEsSskncgFZM ZThvCDfsFIa0zcXzx+ihAjyoiDVREI78q1NU113ynXd6tHcph1oO0oWBDRxpkBAdG/Ed 5wvVArnBumGOdJcZFzgCNkqry+qjE/zQjZv0i8Sk4f7qiZfT39t+qUXyf/Dcy/UONlin L/2zLZHpqboem355bgN5gcnEYmbfmbqBCBe+GU/vMmSTFIbKgsK/Nl4Z+5Utskgx5iic D6DA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=jVbQJV7FQRWnjXc4WFRtSyL4necLOFwK41hOpTt0Y3c=; b=ly6n0s94BV626NaevRovlEd44hoPyJLBsaFY4NpjXSl9FGPrg/fzn9zCKi8Mbq+W+K poxyJMKPPvk8nBiCI5QznHwrtwdBtRxUYS/4p/3TvoKYWJOXnN/NNJMtTbug44IhHBNL omrKS8gDSHmI7rqZRWmiNqtbKBwDU7E9tGIb2x4XzL5bVwJGNmNvmHAbFVKhx7fddtdb fkogtRzMk9hchHk/iJJbSx5ipm7fy5GQnpCYwIqtgyJCsiNuGkt8km0SIMnD2LJ8P2tA sohnt6XPLEMPseRMdXw3bjQJY1/uwlfuI/SH6NQErTD495am78h8PwKsN23K1S8tpQMz z1aQ== X-Gm-Message-State: AOAM533650s9RYe6NfkfqWxdxE/MpVAI7vZpFr4W+omLhUWRmU1lQCBd TykkE2CuVBeNCMJyTMtC8+M= X-Google-Smtp-Source: ABdhPJyeeNghFiK0krO7HS3KViJMyxOmRd6O6x+am6iTWrNYXrgGQ1ZUoP1V6uOaTIiWadIkyIrllw== X-Received: by 2002:a62:ea01:: with SMTP id t1mr1699823pfh.125.1599103901928; Wed, 02 Sep 2020 20:31:41 -0700 (PDT) Received: from Asurada-Nvidia (thunderhill.nvidia.com. [216.228.112.22]) by smtp.gmail.com with ESMTPSA id x22sm1047250pfn.41.2020.09.02.20.31.41 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 02 Sep 2020 20:31:41 -0700 (PDT) Date: Wed, 2 Sep 2020 20:30:57 -0700 From: Nicolin Chen To: Shengjiu Wang Cc: timur@kernel.org, Xiubo.Lee@gmail.com, festevam@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, lgirdwood@gmail.com, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ASoC: fsl_sai: Support multiple data channel enable bits Message-ID: <20200903033057.GB4517@Asurada-Nvidia> References: <1598958068-10552-1-git-send-email-shengjiu.wang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1598958068-10552-1-git-send-email-shengjiu.wang@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 01, 2020 at 07:01:08PM +0800, Shengjiu Wang wrote: > One data channel is one data line. From imx7ulp, the SAI IP is > enhanced to support multiple data channels. > > If there is only two channels input and slots is 2, then enable one > data channel is enough for data transfer. So enable the TCE/RCE and > transmit/receive mask register according to the input channels and > slots configuration. > > Move the data channel enablement from startup() to hw_params(). > > Signed-off-by: Shengjiu Wang Acked-by: Nicolin Chen 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=-8.2 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 E6B75C433E7 for ; Thu, 3 Sep 2020 03:32:47 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4CA8B2072A for ; Thu, 3 Sep 2020 03:32:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alsa-project.org header.i=@alsa-project.org header.b="XBWySZuc"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Lh3AakFc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4CA8B2072A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id D7B1C18AA; Thu, 3 Sep 2020 05:31:55 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz D7B1C18AA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1599103965; bh=te6pE1+iYGPtV0+OUGLduuP3rcgXdSsZHL0zma/+DTk=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=XBWySZucZ6ABwmZ/p/qjvFhza/tFrYIWwdikQ40RPArR4YlcjZm4Hh1oX7TJ4k0rw LoLk/ytfiS8lLjMqRkWWM0bskUM6DNTJj1zRT8Ce6EsuDHvzRMe3QPTYqoFwrghPR0 bFFxzi/naKupAzAHAp+VC80E9uN4VCB58weCBOzo= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 5949EF8020D; Thu, 3 Sep 2020 05:31:55 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 39592F80217; Thu, 3 Sep 2020 05:31:53 +0200 (CEST) Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 4B699F800BA for ; Thu, 3 Sep 2020 05:31:45 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 4B699F800BA Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Lh3AakFc" Received: by mail-pf1-x442.google.com with SMTP id o20so1083980pfp.11 for ; Wed, 02 Sep 2020 20:31:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=jVbQJV7FQRWnjXc4WFRtSyL4necLOFwK41hOpTt0Y3c=; b=Lh3AakFc2ktTayAXJ3pnozs/7S5cR9pjcLsMH65p4Oypa4yVlDrB9sxuRsvs1ZqnJf m4Q0T8KEeVSiLJk58AEEWBzSDM22WlwCsu4r4uQ95h9GjGMNX3XSWrqAFEsSskncgFZM ZThvCDfsFIa0zcXzx+ihAjyoiDVREI78q1NU113ynXd6tHcph1oO0oWBDRxpkBAdG/Ed 5wvVArnBumGOdJcZFzgCNkqry+qjE/zQjZv0i8Sk4f7qiZfT39t+qUXyf/Dcy/UONlin L/2zLZHpqboem355bgN5gcnEYmbfmbqBCBe+GU/vMmSTFIbKgsK/Nl4Z+5Utskgx5iic D6DA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=jVbQJV7FQRWnjXc4WFRtSyL4necLOFwK41hOpTt0Y3c=; b=Nx6NgwXbAvLrXVQJaWaTDG2ZY3OZxHz6tIKD05slq4KGivCtDD2MfY1hlFFZahgA5E AXx3LWyvQH6M+EoThNep5cLkSxXiOC+EmV/DfBayQHbyycZeH9M+qgPv2u0h3A+ghnZG GkPBEGQ0gy8xXPkpEg9+xVhLVINrt9+9a24dju2xZccY+486wohgSjpTMyx8WVql8WVm NEDHK3+ubtrjivIGOp2QiQQEt1pZWnA8nS6j7UiK5aapp51dBbVt+symocmd3DemBsb1 j86WX8Zn/PPpULarzse8wjOSxsA3BtGh8wH0AtZuuqsJ9g95ZCdpS2nxuNrfhHceZMmr 8EvQ== X-Gm-Message-State: AOAM530ON9DZZSKPkNw6B8aJe/PVfbU5y5n4WxaEB8Xb7frRf8u9ANdO 6xjBk61BH4JDAP+PVN0OtWI= X-Google-Smtp-Source: ABdhPJyeeNghFiK0krO7HS3KViJMyxOmRd6O6x+am6iTWrNYXrgGQ1ZUoP1V6uOaTIiWadIkyIrllw== X-Received: by 2002:a62:ea01:: with SMTP id t1mr1699823pfh.125.1599103901928; Wed, 02 Sep 2020 20:31:41 -0700 (PDT) Received: from Asurada-Nvidia (thunderhill.nvidia.com. [216.228.112.22]) by smtp.gmail.com with ESMTPSA id x22sm1047250pfn.41.2020.09.02.20.31.41 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 02 Sep 2020 20:31:41 -0700 (PDT) Date: Wed, 2 Sep 2020 20:30:57 -0700 From: Nicolin Chen To: Shengjiu Wang Subject: Re: [PATCH] ASoC: fsl_sai: Support multiple data channel enable bits Message-ID: <20200903033057.GB4517@Asurada-Nvidia> References: <1598958068-10552-1-git-send-email-shengjiu.wang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1598958068-10552-1-git-send-email-shengjiu.wang@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) Cc: alsa-devel@alsa-project.org, timur@kernel.org, Xiubo.Lee@gmail.com, lgirdwood@gmail.com, linuxppc-dev@lists.ozlabs.org, tiwai@suse.com, broonie@kernel.org, festevam@gmail.com, linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" On Tue, Sep 01, 2020 at 07:01:08PM +0800, Shengjiu Wang wrote: > One data channel is one data line. From imx7ulp, the SAI IP is > enhanced to support multiple data channels. > > If there is only two channels input and slots is 2, then enable one > data channel is enough for data transfer. So enable the TCE/RCE and > transmit/receive mask register according to the input channels and > slots configuration. > > Move the data channel enablement from startup() to hw_params(). > > Signed-off-by: Shengjiu Wang Acked-by: Nicolin Chen 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=-8.0 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 0FBAAC433E7 for ; Thu, 3 Sep 2020 03:33:27 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 761D32072A for ; Thu, 3 Sep 2020 03:33:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Lh3AakFc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 761D32072A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from bilbo.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 4Bhmc35JdmzDr4D for ; Thu, 3 Sep 2020 13:33:23 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gmail.com (client-ip=2607:f8b0:4864:20::443; helo=mail-pf1-x443.google.com; envelope-from=nicoleotsuka@gmail.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=Lh3AakFc; dkim-atps=neutral Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4BhmZ957SDzDqw8 for ; Thu, 3 Sep 2020 13:31:45 +1000 (AEST) Received: by mail-pf1-x443.google.com with SMTP id u128so1097500pfb.6 for ; Wed, 02 Sep 2020 20:31:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=jVbQJV7FQRWnjXc4WFRtSyL4necLOFwK41hOpTt0Y3c=; b=Lh3AakFc2ktTayAXJ3pnozs/7S5cR9pjcLsMH65p4Oypa4yVlDrB9sxuRsvs1ZqnJf m4Q0T8KEeVSiLJk58AEEWBzSDM22WlwCsu4r4uQ95h9GjGMNX3XSWrqAFEsSskncgFZM ZThvCDfsFIa0zcXzx+ihAjyoiDVREI78q1NU113ynXd6tHcph1oO0oWBDRxpkBAdG/Ed 5wvVArnBumGOdJcZFzgCNkqry+qjE/zQjZv0i8Sk4f7qiZfT39t+qUXyf/Dcy/UONlin L/2zLZHpqboem355bgN5gcnEYmbfmbqBCBe+GU/vMmSTFIbKgsK/Nl4Z+5Utskgx5iic D6DA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=jVbQJV7FQRWnjXc4WFRtSyL4necLOFwK41hOpTt0Y3c=; b=e7wI40iknUyQOCQ4VjrfX1e2yLKIYL3cu0jZEFfTZR8TNvz5M+7pqkd7nKgLKdS397 8vL3nnTofevDPECD1t8Kudmj+PNJZPpwJ81Odg2auH0g0XuQNdPjPQqgQv9G/qLvIY6C zNWex0algNs1dYAF0kVsooaARYimnm4crvo35BzsDZXkVzy0KMIHl4kPgLZaaw2DHiXO smBPg8U6SCUBAzntRRItbnQERCGq3wevIFBaPEmOY+zf1KQVIi6sIxddgLLXN+YSKZSW djYWpPBqmoGPiBEg/MMsGWhkpZq7mDN04hnHuuSqZgGu+2OR8Gllql8OZnhFQLsS21MN xGgw== X-Gm-Message-State: AOAM530fSUXtSBzTu83BX/yY4G3q9R0HiorVqrcZ0w5XXnPxwtvQ6ocg YOQxu1hYgdCYpxM3q1Hz+wg= X-Google-Smtp-Source: ABdhPJyeeNghFiK0krO7HS3KViJMyxOmRd6O6x+am6iTWrNYXrgGQ1ZUoP1V6uOaTIiWadIkyIrllw== X-Received: by 2002:a62:ea01:: with SMTP id t1mr1699823pfh.125.1599103901928; Wed, 02 Sep 2020 20:31:41 -0700 (PDT) Received: from Asurada-Nvidia (thunderhill.nvidia.com. [216.228.112.22]) by smtp.gmail.com with ESMTPSA id x22sm1047250pfn.41.2020.09.02.20.31.41 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 02 Sep 2020 20:31:41 -0700 (PDT) Date: Wed, 2 Sep 2020 20:30:57 -0700 From: Nicolin Chen To: Shengjiu Wang Subject: Re: [PATCH] ASoC: fsl_sai: Support multiple data channel enable bits Message-ID: <20200903033057.GB4517@Asurada-Nvidia> References: <1598958068-10552-1-git-send-email-shengjiu.wang@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1598958068-10552-1-git-send-email-shengjiu.wang@nxp.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, timur@kernel.org, Xiubo.Lee@gmail.com, lgirdwood@gmail.com, linuxppc-dev@lists.ozlabs.org, tiwai@suse.com, perex@perex.cz, broonie@kernel.org, festevam@gmail.com, linux-kernel@vger.kernel.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, Sep 01, 2020 at 07:01:08PM +0800, Shengjiu Wang wrote: > One data channel is one data line. From imx7ulp, the SAI IP is > enhanced to support multiple data channels. > > If there is only two channels input and slots is 2, then enable one > data channel is enough for data transfer. So enable the TCE/RCE and > transmit/receive mask register according to the input channels and > slots configuration. > > Move the data channel enablement from startup() to hw_params(). > > Signed-off-by: Shengjiu Wang Acked-by: Nicolin Chen