From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Belisko Subject: Re: [PATCH 2/2] ASoC: pcm1681: Improve the logic for de-emphasis sampling rate selection Date: Thu, 23 Jul 2015 21:48:45 +0200 Message-ID: <55B1451D.2020202@streamunlimited.com> References: <1437664946.20606.5.camel@ingics.com> <1437665015.20606.6.camel@ingics.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from bsmtp.bon.at (bsmtp8.bon.at [213.33.87.20]) by alsa0.perex.cz (Postfix) with ESMTP id 34FD12659B0 for ; Thu, 23 Jul 2015 21:48:52 +0200 (CEST) In-Reply-To: <1437665015.20606.6.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: Axel Lin , Mark Brown Cc: alsa-devel@alsa-project.org, Liam Girdwood List-Id: alsa-devel@alsa-project.org Hi Axel, On 23.07.2015 17:23, Axel Lin wrote: > 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; > + } > + } > + } ^^^^^^^ I think we don't need those brackets only for if statement (where you add break) > > if (val != -1) { > regmap_update_bits(priv->regmap, PCM1681_DEEMPH_CONTROL, > PCM1681_DEEMPH_RATE_MASK, val << 3); > enable = 1; > - } else > + } else { > enable = 0; > + } ^^^ same here > > /* enable/disable deemphasis functionality */ > return regmap_update_bits(priv->regmap, PCM1681_DEEMPH_CONTROL, > BR, marek