linux-kernel - [PATCH] ASoC: sta32x: shortcut the for loop to get ir and mcs

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Message-ID: <1313292664.6074.1.camel@phoenix>
Date:	Sun, 14 Aug 2011 11:31:04 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Johannes Stezenbach <js@...21.net>, Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	alsa-devel@...a-project.org
Subject: [PATCH] ASoC: sta32x: shortcut the for loop to get ir and mcs

There is exactly one match or no match at all during the for loop iteration,
thus we can break from the for loop once a match is found.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 sound/soc/codecs/sta32x.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c
index fbd7eb9..3d155f5 100644
--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -524,13 +524,17 @@ static int sta32x_hw_params(struct snd_pcm_substream *substream,
 	rate = params_rate(params);
 	pr_debug("rate: %u\n", rate);
 	for (i = 0; i < ARRAY_SIZE(interpolation_ratios); i++)
-		if (interpolation_ratios[i].fs == rate)
+		if (interpolation_ratios[i].fs == rate) {
 			ir = interpolation_ratios[i].ir;
+			break;
+		}
 	if (ir < 0)
 		return -EINVAL;
 	for (i = 0; mclk_ratios[ir][i].ratio; i++)
-		if (mclk_ratios[ir][i].ratio * rate == sta32x->mclk)
+		if (mclk_ratios[ir][i].ratio * rate == sta32x->mclk) {
 			mcs = mclk_ratios[ir][i].mcs;
+			break;
+		}
 	if (mcs < 0)
 		return -EINVAL;
 
-- 
1.7.4.1



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