[alsa-devel] [PATCH] ASoC: sta32x: Optimize the array work to find rate_min and rate_max
For a given ir and fs, there is at most one possible match for the case mclk_ratios[ir][j].ratio * fs == freq. Thus we can break from the inner loop once a match is found.
Signed-off-by: Axel Lin axel.lin@gmail.com --- sound/soc/codecs/sta32x.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c index fbd1450..7db6fa5 100644 --- a/sound/soc/codecs/sta32x.c +++ b/sound/soc/codecs/sta32x.c @@ -522,6 +522,7 @@ static int sta32x_set_dai_sysclk(struct snd_soc_dai *codec_dai, rate_min = fs; if (fs > rate_max) rate_max = fs; + break; } } }
On Sun, Jan 01, 2012 at 06:36:14PM +0800, Axel Lin wrote:
For a given ir and fs, there is at most one possible match for the case mclk_ratios[ir][j].ratio * fs == freq. Thus we can break from the inner loop once a match is found.
Yes, I think this is correct.
Acked-by: Johannes Stezenbach js@sig21.net
Thanks Johannes
--- a/sound/soc/codecs/sta32x.c +++ b/sound/soc/codecs/sta32x.c @@ -522,6 +522,7 @@ static int sta32x_set_dai_sysclk(struct snd_soc_dai *codec_dai, rate_min = fs; if (fs > rate_max) rate_max = fs;
}break; } }
participants (3)
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Axel Lin
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Johannes Stezenbach
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Mark Brown