From patchwork Wed Jul 9 16:41:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charles Keepax X-Patchwork-Id: 4518201 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 395609F1C4 for ; Wed, 9 Jul 2014 16:54:46 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 68C6320383 for ; Wed, 9 Jul 2014 16:54:45 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 7903A2037F for ; Wed, 9 Jul 2014 16:54:44 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 960F42650C2; Wed, 9 Jul 2014 18:54:42 +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 24A882650FF; Wed, 9 Jul 2014 18:53:41 +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 75AB926510C; Wed, 9 Jul 2014 18:53:39 +0200 (CEST) Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 636182650C2 for ; Wed, 9 Jul 2014 18:53:31 +0200 (CEST) Received: from localhost.localdomain (unknown [87.246.78.26]) by opensource.wolfsonmicro.com (Postfix) with ESMTPSA id BC202111049; Wed, 9 Jul 2014 17:53:29 +0100 (BST) From: Charles Keepax To: broonie@kernel.org Date: Wed, 9 Jul 2014 17:41:45 +0100 Message-Id: <1404924109-1750-4-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1404924109-1750-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1404924109-1750-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, lgirdwood@gmail.com Subject: [alsa-devel] [PATCH 3/7] ASoC: arizona: Correct relationship between VCO corner and Fref 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 When configuring the FLL we must ensure that the reference clock passed to the FLL is under a certain limit. This limit was specified incorrectly in the current code, this patch corrects this. Although the error will only be encountered in some edge cases. Reported-by: Ryo Tsutsui Signed-off-by: Charles Keepax --- sound/soc/codecs/arizona.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index e9e0b6b..97cc80d 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1623,8 +1623,8 @@ static int arizona_calc_fratio(struct arizona_fll *fll, while (div <= ARIZONA_FLL_MAX_REFDIV) { for (ratio = init_ratio; ratio <= ARIZONA_FLL_MAX_FRATIO; ratio++) { - if (ARIZONA_FLL_VCO_CORNER / (fll->vco_mult * ratio) < - Fref) + if ((ARIZONA_FLL_VCO_CORNER / 2) / + (fll->vco_mult * ratio) < Fref) break; if (target % (ratio * Fref)) {