From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: Re: ASoC: ssm4567: Add driver for Analog Devices SSM4567 amplifier Date: Wed, 1 Oct 2014 20:02:57 +0300 Message-ID: <20141001170257.GB11786@mwanda> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from userp1040.oracle.com (userp1040.oracle.com [156.151.31.81]) by alsa0.perex.cz (Postfix) with ESMTP id F04E12604B6 for ; Wed, 1 Oct 2014 19:03:14 +0200 (CEST) Content-Disposition: inline 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 To: anatol.pomozov@gmail.com Cc: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Hello Anatol Pomozov, The patch 1ee44ce03011: "ASoC: ssm4567: Add driver for Analog Devices SSM4567 amplifier" from Sep 26, 2014, leads to the following static checker warning: sound/soc/codecs/ssm4567.c:176 ssm4567_hw_params() warn: we tested 'rate <= 96000' before and it was 'false' sound/soc/codecs/ssm4567.c 160 static int ssm4567_hw_params(struct snd_pcm_substream *substream, 161 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) 162 { 163 struct snd_soc_codec *codec = dai->codec; 164 struct ssm4567 *ssm4567 = snd_soc_codec_get_drvdata(codec); 165 unsigned int rate = params_rate(params); 166 unsigned int dacfs; 167 168 if (rate >= 8000 && rate <= 12000) 169 dacfs = SSM4567_DAC_FS_8000_12000; 170 else if (rate >= 16000 && rate <= 24000) 171 dacfs = SSM4567_DAC_FS_16000_24000; 172 else if (rate >= 32000 && rate <= 48000) 173 dacfs = SSM4567_DAC_FS_32000_48000; 174 else if (rate >= 64000 && rate <= 96000) 175 dacfs = SSM4567_DAC_FS_64000_96000; 176 else if (rate >= 64000 && rate <= 96000) 177 dacfs = SSM4567_DAC_FS_64000_96000; These two lines are a cut and paste error. The intent is not clear. 178 else if (rate >= 128000 && rate <= 192000) 179 dacfs = SSM4567_DAC_FS_128000_192000; 180 else 181 return -EINVAL; 182 183 return regmap_update_bits(ssm4567->regmap, SSM4567_REG_DAC_CTRL, 184 SSM4567_DAC_FS_MASK, dacfs); 185 } regards, dan carpenter