From patchwork Mon Nov 2 03:14:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Caesar Wang X-Patchwork-Id: 7533101 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4179B9F327 for ; Mon, 2 Nov 2015 03:14:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 71E1420567 for ; Mon, 2 Nov 2015 03:14:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A23B620549 for ; Mon, 2 Nov 2015 03:14:55 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zt5aB-0005RH-9z; Mon, 02 Nov 2015 03:14:55 +0000 Received: from mail-pa0-f65.google.com ([209.85.220.65]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Zt5a3-0005P7-Tv; Mon, 02 Nov 2015 03:14:48 +0000 Received: by pacrf6 with SMTP id rf6so2863653pac.2; Sun, 01 Nov 2015 19:14:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=qrohFCwxeIGwegXsQAUWNPA9R3hyUDN/YPutlUbrjZU=; b=PhPAWrZHawSY7UQJLIRABuna1S2lZGOS12vVLBsAuu55ihNxWkd3ydsiDpfmy/jG+8 jsGHTGtRcP5mfon4jjcRNGC5FTdJqgKZpY11OzYc1CapkNiSR6ckZTB+SxKSSVsC6QlJ SerwZb4JW6MjBhNRFDQBTAfVr5xwWxu9yrXGr1PQxm1uEoYQv0J6ht/opuTSMYpsSL0t YSfFcBPmPlkVmPE6bL15ZldAFTKCsq/QRZqBa/a2fd+Trk7HqzBmsI+pAOlQZYkUe0XT STZtPzolG8QQg407JsPSDSkVKzRmPW2JfDqqFd0W2iDkR0CAEf6IR3+JGGXfbXMQwNxO kLTA== X-Received: by 10.68.57.137 with SMTP id i9mr24081992pbq.101.1446434068423; Sun, 01 Nov 2015 19:14:28 -0800 (PST) Received: from localhost.localdomain ([103.47.144.160]) by smtp.gmail.com with ESMTPSA id ir4sm20727873pbb.93.2015.11.01.19.14.22 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 01 Nov 2015 19:14:27 -0800 (PST) From: Caesar Wang To: Heiko Stuebner , Mark Brown Subject: [PATCH 2/3] ASoC: rockchip-max98090: add the divider the clock for cpu Date: Mon, 2 Nov 2015 11:14:01 +0800 Message-Id: <1446434042-2139-2-git-send-email-wxt@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1446434042-2139-1-git-send-email-wxt@rock-chips.com> References: <1446434042-2139-1-git-send-email-wxt@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151101_191448_116184_BE50BE41 X-CRM114-Status: GOOD ( 13.75 ) X-Spam-Score: -2.4 (--) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, Liam Girdwood , linux-kernel@vger.kernel.org, Takashi Iwai , Jaroslav Kysela , linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Caesar Wang MIME-Version: 1.0 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add to set the cpu/codec DAI configure, let's divider the Transmit/Receive clock for cpu. In master mode, The SCLK and LRCK are configured as output, this patch should can set each divider to arrange the clock distribution. Signed-off-by: Caesar Wang --- sound/soc/rockchip/rockchip_max98090.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/sound/soc/rockchip/rockchip_max98090.c b/sound/soc/rockchip/rockchip_max98090.c index 26567b1..8547155 100644 --- a/sound/soc/rockchip/rockchip_max98090.c +++ b/sound/soc/rockchip/rockchip_max98090.c @@ -75,8 +75,25 @@ static int rk_aif1_hw_params(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_dai *cpu_dai = rtd->cpu_dai; struct snd_soc_dai *codec_dai = rtd->codec_dai; + int dai_fmt = rtd->card->dai_link->dai_fmt; int mclk; + /* set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, dai_fmt); + if (ret < 0) { + dev_err(codec_dai->dev, + "failed to set the format for codec side\n"); + return ret; + } + + /* set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, dai_fmt); + if (ret < 0) { + dev_err(codec_dai->dev, + "failed to set the format for cpu side\n"); + return ret; + } + switch (params_rate(params)) { case 8000: case 16000: @@ -105,6 +122,21 @@ static int rk_aif1_hw_params(struct snd_pcm_substream *substream, return ret; } + /* The codec is master mode, that's not needed set clkdiv for cpu */ + if ((dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) == SND_SOC_DAIFMT_CBM_CFM) + return ret; + + /* the LRCK clock for cpu */ + ret = snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_BCLK, + (mclk / 4) / params_rate(params)); + if (ret < 0) + return ret; + + /* the SCLK clock for cpu */ + snd_soc_dai_set_clkdiv(cpu_dai, ROCKCHIP_DIV_MCLK, 4); + if (ret < 0) + return ret; + return ret; }