From patchwork Fri Jun 20 14:41:12 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charles Keepax X-Patchwork-Id: 4389861 Return-Path: X-Original-To: patchwork-alsa-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id A53749F314 for ; Fri, 20 Jun 2014 14:52:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9D0A2203AE for ; Fri, 20 Jun 2014 14:52:19 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 2FDEA2039D for ; Fri, 20 Jun 2014 14:52:18 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 4DC0C26512D; Fri, 20 Jun 2014 16:52:17 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [IPv6:::1]) by alsa0.perex.cz (Postfix) with ESMTP id A4178265130; Fri, 20 Jun 2014 16:50:40 +0200 (CEST) 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 9B24126509D; Fri, 20 Jun 2014 16:50:37 +0200 (CEST) Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 477412650E4 for ; Fri, 20 Jun 2014 16:50:19 +0200 (CEST) Received: from localhost.localdomain (unknown [87.246.78.26]) by opensource.wolfsonmicro.com (Postfix) with ESMTPSA id 80CD8110FE9; Fri, 20 Jun 2014 15:50:17 +0100 (BST) From: Charles Keepax To: broonie@kernel.org, lee.jones@linaro.org Date: Fri, 20 Jun 2014 15:41:12 +0100 Message-Id: <1403275273-22713-4-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1403275273-22713-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1403275273-22713-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, lgirdwood@gmail.com, sameo@linux.intel.com Subject: [alsa-devel] [PATCH 3/4 v2] ASoC: arizona: Add DVFS handling for sample rate control 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: , MIME-Version: 1.0 Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP From: Richard Fitzgerald Some codecs need to boost DVFS for higher sample rates. Signed-off-by: Richard Fitzgerald Signed-off-by: Charles Keepax --- sound/soc/codecs/arizona.c | 22 +++++++++++++++++++++- 1 files changed, 21 insertions(+), 1 deletions(-) diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 41b56ee..0713b10 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1160,7 +1160,7 @@ static int arizona_hw_params_rate(struct snd_pcm_substream *substream, struct arizona_priv *priv = snd_soc_codec_get_drvdata(codec); struct arizona_dai_priv *dai_priv = &priv->dai[dai->id - 1]; int base = dai->driver->base; - int i, sr_val; + int i, sr_val, ret; /* * We will need to be more flexible than this in future, @@ -1176,6 +1176,26 @@ static int arizona_hw_params_rate(struct snd_pcm_substream *substream, } sr_val = i; + switch (priv->arizona->type) { + case WM5102: + case WM8997: + if (arizona_sr_vals[sr_val] >= 88200) + ret = arizona_dvfs_up(priv->arizona, + ARIZONA_DVFS_SR1_RQ); + else + ret = arizona_dvfs_down(priv->arizona, + ARIZONA_DVFS_SR1_RQ); + + if (ret != 0) { + arizona_aif_err(dai, "Failed to change DVFS %d\n", ret); + return ret; + } + break; + + default: + break; + } + switch (dai_priv->clk) { case ARIZONA_CLK_SYSCLK: switch (priv->arizona->type) {