From mboxrd@z Thu Jan 1 00:00:00 1970 From: Axel Lin Subject: [PATCH 2/2] ASoC: pcm1681: Improve the logic for de-emphasis sampling rate selection Date: Thu, 23 Jul 2015 23:23:35 +0800 Message-ID: <1437665015.20606.6.camel@ingics.com> References: <1437664946.20606.5.camel@ingics.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pd0-f170.google.com (mail-pd0-f170.google.com [209.85.192.170]) by alsa0.perex.cz (Postfix) with ESMTP id 47E922657DD for ; Thu, 23 Jul 2015 17:23:47 +0200 (CEST) Received: by pdbbh15 with SMTP id bh15so113042081pdb.1 for ; Thu, 23 Jul 2015 08:23:45 -0700 (PDT) In-Reply-To: <1437664946.20606.5.camel@ingics.com> 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: Mark Brown Cc: Marek Belisko , alsa-devel@alsa-project.org, Liam Girdwood List-Id: alsa-devel@alsa-project.org Slightly improve the logic for de-emphasis sampling rate selection by break out the loop if the rate is matched. Signed-off-by: Axel Lin --- sound/soc/codecs/pcm1681.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/pcm1681.c b/sound/soc/codecs/pcm1681.c index 1011142..5832523 100644 --- a/sound/soc/codecs/pcm1681.c +++ b/sound/soc/codecs/pcm1681.c @@ -95,17 +95,22 @@ static int pcm1681_set_deemph(struct snd_soc_codec *codec) struct pcm1681_private *priv = snd_soc_codec_get_drvdata(codec); int i = 0, val = -1, enable = 0; - if (priv->deemph) - for (i = 0; i < ARRAY_SIZE(pcm1681_deemph); i++) - if (pcm1681_deemph[i] == priv->rate) + if (priv->deemph) { + for (i = 0; i < ARRAY_SIZE(pcm1681_deemph); i++) { + if (pcm1681_deemph[i] == priv->rate) { val = i; + break; + } + } + } if (val != -1) { regmap_update_bits(priv->regmap, PCM1681_DEEMPH_CONTROL, PCM1681_DEEMPH_RATE_MASK, val << 3); enable = 1; - } else + } else { enable = 0; + } /* enable/disable deemphasis functionality */ return regmap_update_bits(priv->regmap, PCM1681_DEEMPH_CONTROL, -- 2.1.0