From patchwork Tue Nov 21 23:55:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Maciej S. Szmigiero" X-Patchwork-Id: 10069043 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0F599600F5 for ; Tue, 21 Nov 2017 23:55:25 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F0548299DB for ; Tue, 21 Nov 2017 23:55:24 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E26C829A63; Tue, 21 Nov 2017 23:55:24 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 57EFF299DB for ; Tue, 21 Nov 2017 23:55:24 +0000 (UTC) Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 27D9C266F52; Wed, 22 Nov 2017 00:55:23 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id B73D12671F3; Wed, 22 Nov 2017 00:55:21 +0100 (CET) Received: from vps-vb.mhejs.net (vps-vb.mhejs.net [37.28.154.113]) by alsa0.perex.cz (Postfix) with ESMTP id D59262671E7 for ; Wed, 22 Nov 2017 00:55:19 +0100 (CET) Received: by vps-vb.mhejs.net with esmtps (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.87) (envelope-from ) id 1eHINm-0002Hp-Md; Wed, 22 Nov 2017 00:55:14 +0100 From: "Maciej S. Szmigiero" To: Timur Tabi , Nicolin Chen , Xiubo Li Message-ID: <5c2325bd-3e7b-0026-4c1a-65f32737a74a@maciej.szmigiero.name> Date: Wed, 22 Nov 2017 00:55:14 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 Content-Language: en-US Cc: alsa-devel@alsa-project.org, linux-kernel , Takashi Iwai , Liam Girdwood , Mark Brown , Fabio Estevam , linuxppc-dev@lists.ozlabs.org Subject: [alsa-devel] [PATCH v2 2/2] ASoC: fsl_ssi: call _fsl_ssi_set_dai_fmt() just once in AC'97 mode X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 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-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP In AC'97 mode we configure and start SSI RX / TX on probe path via a call to _fsl_ssi_set_dai_fmt() function. We don't need to call this function again later and in fact don't want to do it since this function temporarily sets STCR, SRCR and SCR to some intermediate values. Signed-off-by: Maciej S. Szmigiero Acked-by: Nicolin Chen --- Changes from v1: The SACCST setup code was split out into a separate commit. sound/soc/fsl/fsl_ssi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 375aaaf6080d..70df6bf832df 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -1116,6 +1116,9 @@ static int fsl_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { struct fsl_ssi_private *ssi_private = snd_soc_dai_get_drvdata(cpu_dai); + if (fsl_ssi_is_ac97(ssi_private)) + return 0; + return _fsl_ssi_set_dai_fmt(cpu_dai->dev, ssi_private, fmt); }