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| author | John Stultz <john.stultz@linaro.org> | 2011-04-18 13:19:07 -0700 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2011-04-18 13:19:07 -0700 |
| commit | 775d71e49c65f1f6aa57776ea1da62988fc9a30a (patch) | |
| tree | ce03cae544bacc8dda67422fd66a543dd1ae3c99 /sound/core/pcm_lib.c | |
| parent | 18e82d2b952ab57fc1c8a69d4fa14e562f2aecf6 (diff) | |
| parent | c1a952f48517b5545075d8eb1a5d543099bd2ae1 (diff) | |
Merge branch 'upstream/linaro.38' into linaro-android.38KNOWN_GOOD
Diffstat (limited to 'sound/core/pcm_lib.c')
| -rw-r--r-- | sound/core/pcm_lib.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index a82e3756a72..64449cb8f87 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -375,6 +375,7 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream, } if (runtime->no_period_wakeup) { + snd_pcm_sframes_t xrun_threshold; /* * Without regular period interrupts, we have to check * the elapsed time to detect xruns. @@ -383,7 +384,8 @@ static int snd_pcm_update_hw_ptr0(struct snd_pcm_substream *substream, if (jdelta < runtime->hw_ptr_buffer_jiffies / 2) goto no_delta_check; hdelta = jdelta - delta * HZ / runtime->rate; - while (hdelta > runtime->hw_ptr_buffer_jiffies / 2 + 1) { + xrun_threshold = runtime->hw_ptr_buffer_jiffies / 2 + 1; + while (hdelta > xrun_threshold) { delta += runtime->buffer_size; hw_base += runtime->buffer_size; if (hw_base >= runtime->boundary) |