27 lines
852 B
Diff
27 lines
852 B
Diff
# HG changeset patch
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# User tiwai
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# Date 1195568950 -3600
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# Node ID 39d34d6a4587ffa6462e42308fb3519f55a2781c
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# Parent b1d1733e52f8baf293ffa2af1c2b9cf5212006ec
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pcm - Limit the avail_min minimum size
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Fix avail_min if it's less than period_size. The too small avail_min
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is simply useless and the cause of CPU hog with rate plugin.
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diff -r b1d1733e52f8 -r 39d34d6a4587 src/pcm/pcm.c
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--- a/src/pcm/pcm.c Mon Nov 19 08:07:19 2007 +0100
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+++ b/src/pcm/pcm.c Tue Nov 20 15:29:10 2007 +0100
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@@ -5577,6 +5577,12 @@ int snd_pcm_sw_params_set_avail_min(snd_
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#endif
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{
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assert(pcm && params);
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+ /* Fix avail_min if it's below period size. The period_size
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+ * defines the minimal wake-up timing accuracy, so it doesn't
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+ * make sense to set below that.
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+ */
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+ if (val < pcm->period_size)
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+ val = pcm->period_size;
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params->avail_min = val;
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return 0;
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}
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